Initial Signal Hound tuner support.

Co-authored-by: denny <dennis.sheirer@gmail.com>

build.gradle

@@ -95,35 +95,34 @@ test {
 dependencies {
 
     // JUnit Tests
-    testImplementation(platform("org.junit:junit-bom:6.0.1"))
+    testImplementation(platform("org.junit:junit-bom:6.1.3"))
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:6.0.1'
+    testImplementation 'org.junit.jupiter:junit-jupiter-api'
-    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:6.0.1")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
-    testRuntimeOnly("org.junit.vintage:junit-vintage-engine:6.0.1")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 
     //Jitpack imports
     implementation 'com.github.dnault:libresample4j:master'
-    implementation 'com.github.DSheirer.jmbe:api:v2.1.0'
+    implementation 'com.github.DSheirer.jmbe:api:v2.1.1'
     implementation 'com.github.nwaldispuehl:java-lame:v3.98.4'
 
     //mavenCentral/jcenter imports
-    implementation 'ch.qos.logback:logback-classic:1.6.3'
+    implementation 'ch.qos.logback:logback-classic:1.6.6'
-    implementation 'ch.qos.logback:logback-core:1.5.38'
+    implementation 'ch.qos.logback:logback-core:1.6.6'
-    implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.22.4'
+    implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.23.0'
-    implementation 'com.fazecast:jSerialComm:2.11.4'
+    implementation 'com.formdev:flatlaf:3.8'
-    implementation 'com.formdev:flatlaf:3.7.2'
+    implementation 'com.formdev:flatlaf-intellij-themes:3.8' //Not imported - Theme.java loads these themes by class name
-    implementation 'com.formdev:flatlaf-intellij-themes:3.7.2'
     implementation 'com.github.jiconfont:jiconfont-font_awesome:4.7.0.1'
     implementation 'com.github.jiconfont:jiconfont-javafx:1.0.0'
     implementation 'com.github.jiconfont:jiconfont-swing:1.0.1'
-    implementation 'com.github.wendykierp:JTransforms:3.2'
+    implementation('com.github.wendykierp:JTransforms:3.2') {
-    implementation 'com.google.code.gson:gson:2.14.0'
+        exclude group: 'junit' //JLargeArrays 1.7 declares junit as a compile dependency
-    implementation 'com.google.guava:guava:33.6.0-jre'
+    }
+    implementation 'com.google.code.gson:gson:2.15.0'
+    implementation 'com.google.guava:guava:33.8.0-jre'
     implementation 'com.jidesoft:jide-oss:3.6.18'
-    implementation 'com.miglayout:miglayout-swing:11.4.3'
+    implementation 'com.miglayout:miglayout-swing:11.5.2'
     implementation 'com.mpatric:mp3agic:0.9.1'
     implementation 'commons-io:commons-io:2.22.0'
-    implementation 'eu.hansolo:charts:1.0.5'
     implementation 'io.github.dsheirer:jairspy:1.0.12.1' //Airspy tuners - GitHub release, see settings.gradle
     implementation 'io.github.dsheirer:jairspyhf:1.8.1.1' //Airspy HF+ tuners - GitHub release, see settings.gradle
     implementation 'io.github.dsheirer:jbladerf:2.6.0.1' //bladeRF tuners - GitHub release, see settings.gradle
@@ -131,20 +130,19 @@ dependencies {
     implementation 'io.github.dsheirer:jlibusb:1.0.30.1' //libusb and USB hotplug for the tuner libraries - GitHub release; not pulled in transitively
     implementation 'io.github.dsheirer:jhydrasdr:1.1.4.1' //HydraSDR tuners - GitHub release, see settings.gradle
     implementation 'io.github.dsheirer:jlimesdr:25.1.0.2' //LimeSDR tuners - GitHub release, see settings.gradle
-    implementation 'io.github.dsheirer:jrtl:1.4.0.2' //RTL-SDR tuners - GitHub release, see settings.gradle
+    implementation 'io.github.dsheirer:jrtl:1.4.0.3' //RTL-SDR tuners - GitHub release, see settings.gradle
     implementation 'io.github.dsheirer:jsdrplay:3.15.3' //SDRplay RSP tuners - GitHub release, see settings.gradle
+    implementation 'io.github.dsheirer:jsignalhound:2026.10.05' //Signal Hound tuners - GitHub release, see settings.gradle
     implementation 'io.github.dsheirer:radio-reference-api:18.0.0'
-    implementation 'net.coderazzi:tablefilter-swing:5.5.4'
+    implementation 'org.apache.commons:commons-compress:1.28.0' //Not used directly - overrides the vulnerable 1.21 version from jarchivelib
-    implementation 'org.apache.commons:commons-compress:1.28.0'
+    implementation 'org.apache.commons:commons-lang3:3.21.0'
-    implementation 'org.apache.commons:commons-lang3:3.20.0'
     implementation 'org.apache.commons:commons-math3:3.6.1'
     implementation 'org.apache.commons:commons-csv:1.14.1'
-    implementation 'org.apache.mina:mina-core:2.2.9'
+    implementation 'org.apache.mina:mina-core:2.2.10'
-    implementation 'org.apache.mina:mina-http:2.2.9'
+    implementation 'org.apache.mina:mina-http:2.2.10'
-    implementation 'org.controlsfx:controlsfx:11.2.3'
+    implementation 'org.controlsfx:controlsfx:11.2.6'
     implementation 'org.rauschig:jarchivelib:1.2.0'
-    implementation 'org.slf4j:slf4j-api:2.0.17'
+    implementation 'org.slf4j:slf4j-api:2.0.20'
-    implementation 'pl.edu.icm:JLargeArrays:1.6'
 }
 
 def os = DefaultNativePlatform.currentOperatingSystem
@@ -235,18 +233,6 @@ String targetOsxX86_64 = 'osx-x86_64-v' + version
 String targetWindowsX86_64 = 'windows-x86_64-v' + version
 String targetWindowsAarch64 = 'windows-aarch64-v' + version
 
-/**
- * Optional pre-downloaded Java Development Kit (JDK) for each target OS and CPU.  These locations are hard-coded to the
- * author's development environment, but can be changed to your environment if you want to use this build pattern.
- */
-String jdk_base = '/home/denny/java_jdks/'
-String jdk_linux_aarch64 = jdk_base + 'linux-arm64/jdk-25.0.1-full'
-String jdk_linux_x86_64 = jdk_base + 'linux-x64/jdk-25.0.1-full'
-String jdk_osx_x86_64 = jdk_base + 'osx-x64/jdk-25.0.1-full.jdk'
-String jdk_osx_aarch64 = jdk_base + 'osx-arm64/jdk-25.0.1-full.jdk'
-String jdk_windows_x86_64 = jdk_base + 'windows-x64/jdk-25.0.1-full'
-String jdk_windows_aarch64 = jdk_base + 'windows-arm64/jdk-25.0.1-full'
-
 /**
  * Download URLs to download the JDK as part of the gradle build packaging process
  */
@@ -275,19 +261,138 @@ def configure(RuntimeZipTask rt, List<String> jvmArgs) {
     //jdk.incubator.vector - needed for Project Panama foreign function and vector apis
     //jdk.accessibility is used with assistive technologies like screen readers
     //java.management for JVM resource monitoring
-    rt.extension.addModules('jdk.charsets', 'jdk.crypto.ec', 'jdk.incubator.vector', 'jdk.accessibility', 'java.management')
+    //java.base, java.logging, java.net.http, java.prefs, javafx.controls, javafx.swing - required by sdrtrunk (jdeps)
+    rt.extension.addModules('jdk.charsets', 'jdk.crypto.ec', 'jdk.incubator.vector', 'jdk.accessibility', 'java.management',
+            'java.base', 'java.logging', 'java.net.http', 'java.prefs', 'javafx.controls', 'javafx.swing')
 
-    //Use auto-detected modules and 'add' any specified modules.
+    //Use only the modules listed above.  The runtime plugin's module auto-detection uses a bundled ASM library that
-    rt.extension.additive.set(true)
+    //can't read Java 27 class files and logs a 'Failed to scan' error for each sdrtrunk class.  The jdeps module check
+    //on the runtime task verifies that this list is complete.
+    rt.extension.additive.set(false)
 
     //Recommended options for reducing/shrinking runtime target image size
-    rt.extension.addOptions('--strip-debug', '--compress', '2', '--no-header-files', '--no-man-pages')
+    rt.extension.addOptions('--strip-debug', '--compress', 'zip-6', '--no-header-files', '--no-man-pages')
 
     //Runtime images have auto appended version in image zip name.  Override to include version in single target image.
 //    rt.extension.imageDir=layout.buildDirectory.dir('image')
     rt.extension.imageZip.set(file(layout.buildDirectory.dir('image').get().file('sdr-trunk.zip')))
 }
 
+/**
+ * Rewrites the jar file without the native library folders for other operating systems and architectures.  Fails the
+ * build if a jar that contains native libraries doesn't contain the folder for the target.
+ * @param jar file to rewrite
+ * @param keep native folder for the target
+ * @return number of bytes removed from the jar
+ */
+long stripJar(File jar, String keep) {
+    def tunerPattern = ~/^[^\/]+\/native\/([^\/]+)\/.*/
+    def removed = [] as Set
+    def hadTuner = false, keptTuner = false
+    File temp = new File(jar.parentFile, jar.name + '.tmp')
+
+    new java.util.zip.ZipFile(jar).withCloseable { zip ->
+        def entries = zip.entries().toList()
+
+        entries.each { e ->
+            def tuner = tunerPattern.matcher(e.name)
+
+            if(tuner.matches()) {
+                hadTuner = true
+                if(tuner.group(1) == keep) { keptTuner = true } else { removed << e.name }
+            }
+        }
+
+        if(hadTuner && !keptTuner) {
+            throw new GradleException("Native strip: ${jar.name} has no native/${keep} folder")
+        }
+
+        if(!removed.isEmpty()) {
+            new java.util.zip.ZipOutputStream(new FileOutputStream(temp)).withCloseable { out ->
+                entries.findAll { !removed.contains(it.name) }.each { e ->
+                    def copy = new java.util.zip.ZipEntry(e)
+                    if(copy.method == java.util.zip.ZipEntry.DEFLATED) {
+                        copy.compressedSize = -1
+                    }
+                    out.putNextEntry(copy)
+                    zip.getInputStream(e).withCloseable { out << it }
+                    out.closeEntry()
+                }
+            }
+        }
+    }
+
+    if(removed.isEmpty()) {
+        return 0
+    }
+
+    long before = jar.length()
+    java.nio.file.Files.move(temp.toPath(), jar.toPath(), java.nio.file.StandardCopyOption.REPLACE_EXISTING)
+    return before - jar.length()
+}
+
+/**
+ * Removes the native libraries for other operating systems and architectures from the jars in each runtime target
+ * image, before the runtimeZip tasks package the images.  The tuner libraries (jRTL, jAirspy, etc.) package their
+ * native libraries under '<library>/native/<os>-<arch>/', where the folder name matches the runtime target name
+ * '<os>-<arch>-v<version>' without the version suffix, except that the libraries use 'macos' where the target uses 'osx'.
+ */
+tasks.named('runtime') {rt ->
+    rt.doLast {
+        rt.targetPlatforms.get().keySet().each { target ->
+            def nativeFolder = (target - "-v${version}").replaceFirst(/^osx-/, 'macos-')
+            def lib = new File(rt.imageDir.asFile, "${project.name}-${target}/lib")
+            long total = 0
+            lib.listFiles({ File f -> f.name.endsWith('.jar') } as FileFilter).each { jar ->
+                total += stripJar(jar, nativeFolder)
+            }
+            logger.lifecycle("Native strip: removed ${String.format('%.1f', total / 1048576)} MB of other " +
+                    "platform native libraries from [${target}]")
+        }
+    }
+}
+
+/**
+ * Verifies that each runtime target image contains every module that the sdrtrunk jar requires, as reported by jdeps.
+ * This guards against the runtime plugin's module auto-detection silently missing modules (e.g. when it can't parse
+ * class files compiled for a newer Java version).
+ */
+def jdepsHome = javaToolchains.launcherFor(java.toolchain).map { it.metadata.installationPath.asFile }
+def mainJar = tasks.named('jar').flatMap { it.archiveFile }
+
+tasks.named('runtime') {rt ->
+    rt.doLast {
+        def jdeps = new File(jdepsHome.get(), 'bin/' + (os.isWindows() ? 'jdeps.exe' : 'jdeps')).absolutePath
+        def process = new ProcessBuilder(jdeps, '--multi-release', java.toolchain.languageVersion.get().toString(),
+                '--ignore-missing-deps', '--print-module-deps', '-q', mainJar.get().asFile.absolutePath)
+                .redirectErrorStream(true).start()
+        def output = process.inputStream.text.trim()
+
+        if(process.waitFor() != 0) {
+            throw new GradleException("Module check: jdeps failed: ${output}")
+        }
+
+        def required = output.split(',')*.trim().findAll { it } as Set
+
+        rt.targetPlatforms.get().keySet().each { target ->
+            def release = new File(rt.imageDir.asFile, "${project.name}-${target}/release")
+            def match = release.text =~ /(?m)^MODULES="([^"]*)"/
+
+            if(!match.find()) {
+                throw new GradleException("Module check: no MODULES entry in ${release}")
+            }
+
+            def missing = required - (match.group(1).split(' ') as Set)
+
+            if(missing) {
+                throw new GradleException("Module check: runtime image [${target}] is missing required modules " +
+                        "${missing.sort()} - add them to addModules() in build.gradle")
+            }
+        }
+        logger.lifecycle("Module check: runtime images contain all modules required by sdrtrunk: ${required.sort()}")
+    }
+}
+
 /**
  * Creates a release package for the current operating system.
  *
@@ -344,22 +449,12 @@ tasks.register('runtimeZipCurrent', RuntimeZipTask) {rt ->
  */
 tasks.register('runtimeZipWindows', RuntimeZipTask) {rt ->
     //Windows aarch64
-    if(file(jdk_windows_aarch64).exists()) {
+    rt.extension.targetPlatform(targetWindowsAarch64) {
-        rt.extension.targetPlatform(targetWindowsAarch64, jdk_windows_aarch64, [])
+        jdkHome = jdkDownload(jdk_download_windows_aarch64)
-    }
-    else {
-        rt.extension.targetPlatform(targetWindowsAarch64) {
-            jdkHome = jdkDownload(jdk_download_windows_aarch64)
-        }
     }
     //Windows x86-64
-    if(file(jdk_windows_x86_64).exists()) {
+    rt.extension.targetPlatform(targetWindowsX86_64) {
-        rt.extension.targetPlatform(targetWindowsX86_64, jdk_windows_x86_64, [])
+        jdkHome = jdkDownload(jdk_download_windows_x86_64)
-    }
-    else {
-        rt.extension.targetPlatform(targetWindowsX86_64) {
-            jdkHome = jdkDownload(jdk_download_windows_x86_64)
-        }
     }
 
     configure(rt, jvmArgsWindows)
@@ -376,40 +471,20 @@ tasks.register('runtimeZipWindows', RuntimeZipTask) {rt ->
  */
 tasks.register('runtimeZipOthers', RuntimeZipTask) {rt ->
     //Linux aarch64
-    if(file(jdk_linux_aarch64).exists()) {
+    rt.extension.targetPlatform(targetLinuxAarch64) {
-        rt.extension.targetPlatform(targetLinuxAarch64, jdk_linux_aarch64, [])
+        jdkHome = jdkDownload(jdk_download_linux_aarch64)
-    }
-    else {
-        rt.extension.targetPlatform(targetLinuxAarch64) {
-            jdkHome = jdkDownload(jdk_download_linux_aarch64)
-        }
     }
     //Linux x86-64
-    if(file(jdk_linux_x86_64).exists()) {
+    rt.extension.targetPlatform(targetLinuxX86_64) {
-        rt.extension.targetPlatform(targetLinuxX86_64, jdk_linux_x86_64, [])
+        jdkHome = jdkDownload(jdk_download_linux_x86_64)
-    }
-    else {
-        rt.extension.targetPlatform(targetLinuxX86_64) {
-            jdkHome = jdkDownload(jdk_download_linux_x86_64)
-        }
     }
     //OSX aarch64
-    if(file(jdk_osx_aarch64).exists()) {
+    rt.extension.targetPlatform(targetOsxAarch64) {
-        rt.extension.targetPlatform(targetOsxAarch64, jdk_osx_aarch64, [])
+        jdkHome = jdkDownload(jdk_download_osx_aarch64)
-    }
-    else {
-        rt.extension.targetPlatform(targetOsxAarch64) {
-            jdkHome = jdkDownload(jdk_download_osx_aarch64)
-        }
     }
     //OSX x86-64
-    if(file(jdk_osx_x86_64).exists()) {
+    rt.extension.targetPlatform(targetOsxX86_64) {
-        rt.extension.targetPlatform(targetOsxX86_64, jdk_osx_x86_64, [])
+        jdkHome = jdkDownload(jdk_download_osx_x86_64)
-    }
-    else {
-        rt.extension.targetPlatform(targetOsxX86_64) {
-            jdkHome = jdkDownload(jdk_download_osx_x86_64)
-        }
     }
 
     configure(rt, jvmArgsLinux)

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.8.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.9.0-bin.zip
 networkTimeout=10000
 retries=0
 retryBackOffMs=500

gradlew.bat

@@ -26,6 +26,33 @@
 @rem Set local scope for the variables, and ensure extensions are enabled
 setlocal EnableExtensions
 
+@rem Catch executions from older scripts and ensure they exit cleanly.
+@rem This can be removed once we can be reasonably confident that few people
+@rem will be migrating directly to this new wrapper.
+goto afterSafetyNet
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+goto exitWithErrorLevel
+:afterSafetyNet
+
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
 @rem This is normally unused
@@ -45,13 +72,14 @@ set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if %ERRORLEVEL% equ 0 goto execute
 
-echo. 1>&2
+1>&2 echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+1>&2 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo. 1>&2
+1>&2 echo.
-echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+1>&2 echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation. 1>&2
+1>&2 echo location of your Java installation.
 
 "%COMSPEC%" /c exit 1
+goto exitWithErrorLevel
 
 :findJavaFromJavaHome
 set JAVA_HOME=%JAVA_HOME:"=%
@@ -59,13 +87,14 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo. 1>&2
+1>&2 echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+1>&2 echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo. 1>&2
+1>&2 echo.
-echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+1>&2 echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation. 1>&2
+1>&2 echo location of your Java installation.
 
 "%COMSPEC%" /c exit 1
+goto exitWithErrorLevel
 
 :execute
 @rem Setup the command line
@@ -75,8 +104,9 @@ echo location of your Java installation. 1>&2
 @rem Execute gradlew
 @rem endlocal doesn't take effect until after the line is parsed and variables are expanded
 @rem which allows us to clear the local environment before executing the java command
-endlocal & "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* & call :exitWithErrorLevel
+endlocal & "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* & call :exitWithErrorLevel & goto exitWithErrorLevel
 
+@rem This label must not be changed. We rely on old scripts being able to jump to this point.
 :exitWithErrorLevel
 @rem Use "%COMSPEC%" /c exit to allow operators to work properly in scripts
 "%COMSPEC%" /c exit %ERRORLEVEL%

settings.gradle

@@ -7,7 +7,7 @@ dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {
         mavenCentral()
-        maven { url 'https://jitpack.io' }
+        maven { url = 'https://jitpack.io' }
 
         //jAirspy is published as a GitHub release, with the native libraries for all platforms in the jar
         ivy {
@@ -75,6 +75,15 @@ dependencyResolutionManagement {
             content { includeModule 'io.github.dsheirer', 'jsdrplay' }
         }
 
+        //jSignalHound is published as a GitHub release.  The jar does not contain the Signal Hound API native libraries,
+        //which users install separately from the Signal Hound SDK
+        ivy {
+            url = 'https://github.com/DSheirer/jSignalHound/releases/download'
+            patternLayout { artifact 'v[revision]/[artifact]-[revision].[ext]' }
+            metadataSources { artifact() }
+            content { includeModule 'io.github.dsheirer', 'jsignalhound' }
+        }
+
         //jBladeRF is published as a GitHub release, with the native libraries for all platforms in the jar
         ivy {
             url = 'https://github.com/DSheirer/jBladeRF/releases/download'

src/main/java/io/github/dsheirer/audio/convert/thumbdv/ThumbDv.java

@@ -1,483 +0,0 @@
-/*
- * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * ****************************************************************************
- */
-
-package io.github.dsheirer.audio.convert.thumbdv;
-
-import com.fazecast.jSerialComm.SerialPort;
-import io.github.dsheirer.audio.convert.thumbdv.message.AmbeMessage;
-import io.github.dsheirer.audio.convert.thumbdv.message.AmbeMessageFactory;
-import io.github.dsheirer.audio.convert.thumbdv.message.VocoderRate;
-import io.github.dsheirer.audio.convert.thumbdv.message.request.AmbeRequest;
-import io.github.dsheirer.audio.convert.thumbdv.message.request.DecodeSpeechRequest;
-import io.github.dsheirer.audio.convert.thumbdv.message.request.EncodeSpeechRequest;
-import io.github.dsheirer.audio.convert.thumbdv.message.request.ResetRequest;
-import io.github.dsheirer.audio.convert.thumbdv.message.request.SetVocoderParametersRequest;
-import io.github.dsheirer.audio.convert.thumbdv.message.request.SetVocoderRequest;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.DecodeSpeechResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.ReadyResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.SetVocoderParameterResponse;
-import io.github.dsheirer.sample.Listener;
-import io.github.dsheirer.util.ThreadPool;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.concurrent.LinkedTransferQueue;
-import java.util.concurrent.ScheduledFuture;
-import java.util.concurrent.TimeUnit;
-
-/**
- * Northwest Digital Radio (NWDR) ThumbDv dongle.
- *
- * Note: linux users must allow access to the serial port:
- *
- * sudo usermod -a -G uucp username
- * sudo usermod -a -G dialout username
- * sudo usermod -a -G lock username
- * sudo usermod -a -G tty username
- */
-public class ThumbDv implements AutoCloseable
-{
-    private final static Logger mLog = LoggerFactory.getLogger(ThumbDv.class);
-    private static final String PORT_DESCRIPTION = "USB-to-Serial Port (ftdi_sio)";
-    private static final String PORT_DESCRIPTION_FRAGMENT = "USB Serial Port";
-    private static final int BAUD_RATE = 460800;
-    private static final byte PACKET_START = (byte) 0x61;
-
-    public enum AudioProtocol
-    {
-        DMR,
-        DSTAR,
-        NXDN,
-        P25_PHASE2,
-    }
-
-    private SerialPort mSerialPort;
-    private ScheduledFuture mSerialPortReaderHandle;
-    private ScheduledFuture mAudioDecodeProcessorHandle;
-    private LinkedTransferQueue<DecodeSpeechRequest> mDecodeSpeechRequests = new LinkedTransferQueue<>();
-    private AudioProtocol mAudioProtocol;
-    private Listener<float[]> mAudioBufferListener;
-    private boolean mStarted;
-
-    public ThumbDv(AudioProtocol audioProtocol, Listener<float[]> listener)
-    {
-        mAudioProtocol = audioProtocol;
-        mAudioBufferListener = listener;
-    }
-
-    /**
-     * Enqueues the audio code frame for decoding.  Decoded PCM speech packet will be sent to the registered
-     * audio packet listener.
-     *
-     * @param codecFrame
-     */
-    public void decode(byte[] codecFrame)
-    {
-        if(!mStarted || mSerialPort == null)
-        {
-            throw new IllegalStateException("Must invoke start() method and thumbdv serial device must be available");
-        }
-
-        mDecodeSpeechRequests.offer(new DecodeSpeechRequest(codecFrame));
-    }
-
-    public void close() throws IOException
-    {
-        if(mSerialPortReaderHandle != null)
-        {
-            mSerialPortReaderHandle.cancel(true);
-            mSerialPortReaderHandle = null;
-        }
-
-        if(mSerialPort != null)
-        {
-            mSerialPort.closePort();
-        }
-    }
-
-    public void start() throws IOException
-    {
-        if(mSerialPort == null)
-        {
-            SerialPort[] ports = SerialPort.getCommPorts();
-
-            for(SerialPort port : ports)
-            {
-                mLog.debug("Serial Port Name:" + port.getDescriptivePortName());
-                if(port.getDescriptivePortName().contentEquals(PORT_DESCRIPTION) ||
-                        port.getDescriptivePortName().contains(PORT_DESCRIPTION_FRAGMENT))
-                {
-                    mSerialPort = port;
-                    mSerialPort.setBaudRate(BAUD_RATE);
-                    mSerialPort.openPort(0, 5000, 10000);
-
-                    if(mSerialPort.isOpen())
-                    {
-                        mLog.info("Resetting ThumbDv Device");
-                        send(new ResetRequest());
-
-                        mLog.info("Creating Serial Port Reader");
-                        final Runnable r = new SerialPortReader(mSerialPort.getInputStream());
-                        mLog.info("Starting Serial Port Reader");
-                        mSerialPortReaderHandle = ThreadPool.SCHEDULED.scheduleAtFixedRate(r, 0,
-                                5, TimeUnit.MILLISECONDS);
-
-                        mStarted = true;
-                        mLog.info("Startup complete - awaiting reset response");
-                    }
-                    else
-                    {
-                        mLog.warn("Could not open serial port: " + mSerialPort.getSystemPortName());
-                        throw new IOException("Could not open serial port:" + mSerialPort.getSystemPortName());
-                    }
-
-                    break;
-                }
-            }
-        }
-
-        if(mSerialPort == null)
-        {
-            throw new IOException("ThumbDV serial port not found");
-        }
-
-
-        return;
-    }
-
-    public void send(byte[] message) throws IOException
-    {
-        if(mSerialPort == null)
-        {
-            throw new IOException("ThumbDv must be started before use");
-        }
-
-        int bytesWritten = mSerialPort.writeBytes(message, message.length);
-
-        if(bytesWritten < 0)
-        {
-            throw new IOException("Unable to write message:" + Arrays.toString(message));
-        }
-        else if(bytesWritten != message.length)
-        {
-            throw new IOException("Unable to write message:" + Arrays.toString(message) + " Bytes Written:" + bytesWritten);
-        }
-    }
-
-    /**
-     * Sends the AMBE request message
-     *
-     * @param request message
-     * @throws IOException if there is an error
-     */
-    public void send(AmbeRequest request) throws IOException
-    {
-        send(request.getData());
-    }
-
-    private void receive(byte[] bytes)
-    {
-        AmbeMessage message = AmbeMessageFactory.getMessage(bytes);
-
-        if(message instanceof DecodeSpeechResponse && mAudioBufferListener != null)
-        {
-            float[] samples = ((DecodeSpeechResponse)message).getSamples();
-            mAudioBufferListener.receive(samples);
-        }
-        else if(message instanceof ReadyResponse && mAudioDecodeProcessorHandle == null)
-        {
-            if(mAudioDecodeProcessorHandle == null)
-            {
-                try
-                {
-                    switch(mAudioProtocol)
-                    {
-                        case DSTAR:
-                            send(new SetVocoderRequest(VocoderRate.RATE_33));
-                            send(new SetVocoderParametersRequest(0x0130, 0x0763, 0x4000, 0x0000, 0x0000, 0x0048));
-                            break;
-                        case DMR:
-                        case NXDN:
-                        case P25_PHASE2:
-                            send(new SetVocoderRequest(VocoderRate.RATE_33));
-                            send(new SetVocoderParametersRequest(0x0431, 0x0754, 0x2400, 0x0000, 0x0000, 0x6F48));
-                            break;
-                        default:
-                            throw new IllegalStateException("Unrecognized audio protocol:" + mAudioProtocol);
-                    }
-                }
-                catch(IOException ioe)
-                {
-                    mLog.error("Error setting audio protocol vocoder parameters");
-                }
-
-                mLog.info("ThumbDv Reset Complete");
-            }
-            else
-            {
-                mLog.info("ThumbDv Reset Detected");
-            }
-        }
-        else if(message instanceof SetVocoderParameterResponse)
-        {
-            if(((SetVocoderParameterResponse)message).isSuccessful())
-            {
-                mLog.info("Audio vocoder parameters configured for " + mAudioProtocol);
-                //Start the audio frame decode processor
-                mAudioDecodeProcessorHandle = ThreadPool.SCHEDULED.scheduleAtFixedRate(new AudioDecodeProcessor(), 0,
-                        10, TimeUnit.MILLISECONDS);
-            }
-        }
-        else if(message != null)
-        {
-            mLog.debug("RECEIVED:" + message.toString());
-        }
-    }
-
-    /**
-     * Logs the current settings of the serial port.  Note: you must invoke start() before this method so that
-     * the serial port can be discovered and opened.
-     */
-    public void logSerialPort()
-    {
-        if(mSerialPort != null)
-        {
-            StringBuilder sb = new StringBuilder();
-            sb.append("\nPort:\t\t\t").append(mSerialPort.getSystemPortName()).append("\n");
-            sb.append("Name:\t\t\t").append(mSerialPort.getDescriptivePortName()).append("\n");
-            sb.append("Baud Rate:\t\t").append(mSerialPort.getBaudRate()).append("\n");
-            sb.append("Data Bits:\t\t").append(mSerialPort.getNumDataBits()).append("\n");
-            sb.append("Parity Bits:\t").append(mSerialPort.getParity()).append("\n");
-            sb.append("Stop Bits:\t\t").append(mSerialPort.getNumStopBits()).append("\n");
-            sb.append("Flow Control:\t").append(mSerialPort.getFlowControlSettings()).append("\n");
-            sb.append("Is Open:\t\t").append(mSerialPort.isOpen()).append("\n");
-
-            mLog.info(sb.toString());
-        }
-        else
-        {
-            mLog.info("No serial port found");
-        }
-    }
-
-    /**
-     * Processes the audio frame decode queue
-     */
-    public class AudioDecodeProcessor implements Runnable
-    {
-        @Override
-        public void run()
-        {
-            try
-            {
-                DecodeSpeechRequest request = mDecodeSpeechRequests.poll();
-
-                if(request != null)
-                {
-                    try
-                    {
-                        send(request);
-                    }
-                    catch(IOException ioe)
-                    {
-                        mLog.error("Error decoding audio frame", ioe);
-                    }
-
-//                    try
-//                    {
-//                        //Force a 20ms sleep after submitting an audio frame to avoid overflowing the thumbdv
-//                        Thread.sleep(20);
-//                    }
-//                    catch(InterruptedException ie)
-//                    {
-//                        //Do nothing
-//                    }
-                }
-            }
-            catch(Throwable t)
-            {
-                mLog.error("Error", t);
-            }
-        }
-    }
-
-    public class SerialPortReader implements Runnable
-    {
-        private InputStream mInputStream;
-
-        public SerialPortReader(InputStream inputStream)
-        {
-            mInputStream = inputStream;
-        }
-
-        @Override
-        public void run()
-        {
-            try
-            {
-                if(mInputStream != null)
-                {
-                    try
-                    {
-                        while(mInputStream.available() > 0)
-                        {
-                            byte[] buffer = new byte[400];
-
-                            int bytesRead = mInputStream.readNBytes(buffer, 0, 1);
-
-                            if(bytesRead == 1 && buffer[0] == PACKET_START)
-                            {
-                                while(mInputStream.available() < 2)
-                                {
-                                    try
-                                    {
-                                        Thread.sleep(1);
-                                    }
-                                    catch(InterruptedException ie)
-                                    {
-                                    }
-                                }
-
-                                bytesRead = mInputStream.readNBytes(buffer, 1, 2);
-
-                                if(bytesRead == 2)
-                                {
-                                    int length = (0xFF & buffer[1]) << 8;
-                                    length += (0xFF & buffer[2]);
-
-                                    if(0 < length && length < 400)
-                                    {
-                                        length++; //Add a byte for the type byte
-
-                                        while(mInputStream.available() < length)
-                                        {
-                                            try
-                                            {
-                                                Thread.sleep(1);
-                                            }
-                                            catch(InterruptedException ie)
-                                            {
-                                            }
-                                        }
-
-                                        bytesRead = mInputStream.readNBytes(buffer, 3, length);
-
-                                        if(bytesRead == length)
-                                        {
-                                            receive(Arrays.copyOf(buffer, length + 3));
-                                        }
-                                        else
-                                        {
-                                            mLog.debug("Expected [" + length + "] but received [" + bytesRead + "] bytes - " + Arrays.toString(buffer));
-                                        }
-                                    }
-                                    else
-                                    {
-                                        mLog.error("Received packet with unexpected length: " + length);
-                                        //Don't process the buffer ... let the reader read and inspect 1 byte at a time
-                                        //to regain sync on the packet start byte
-                                    }
-                                }
-                                else
-                                {
-                                    mLog.debug("Expected [2] but received [" + bytesRead + "] -- this shouldn't happen");
-                                }
-                            }
-                            else
-                            {
-                                mLog.debug("Unrecognized byte: " + Arrays.toString(buffer));
-                            }
-                        }
-                    }
-                    catch(IOException ioe)
-                    {
-                        mLog.error("Error while reading ThumbDv serial port", ioe);
-                    }
-                }
-            }
-            catch(Throwable t)
-            {
-                mLog.error("Error", t);
-            }
-        }
-    }
-
-    public static void main(String[] args)
-    {
-        mLog.debug("Starting");
-
-        String silence = "BEDDEA821EFD660C08";
-
-        String[] frames = {"0E46122323067C60F8", "0E469433C1067CF1BC", "0E46122B23067C60F8", "0E67162BE08874E2B4",
-                "0E46163BE1067CF1BC", "0E46122B23067C60F8", "0A06163BE00A5C303E", "0E46122B23067C60F8", "0E46163BE1847CE1FC",
-                "0E46122B23067C60F8"};
-
-        List<byte[]> frameData = new ArrayList<>();
-
-        for(String frame : frames)
-        {
-            byte[] bytes = new byte[frame.length() / 2];
-            for(int x = 0; x < frame.length(); x += 2)
-            {
-                String hex = frame.substring(x, x + 2);
-                bytes[x / 2] = (byte) (0xFF & Integer.parseInt(hex, 16));
-            }
-
-            frameData.add(bytes);
-        }
-
-        mLog.debug("Starting thumb dv thread(s)");
-
-        final Listener<float[]> listener = packet -> {
-            mLog.info("Got an audio packet!");
-        };
-
-        try(ThumbDv thumbDv = new ThumbDv(AudioProtocol.P25_PHASE2, listener))
-        {
-            thumbDv.start();
-
-            Thread.sleep(6000);
-
-            for(int x = 0; x < 20; x++)
-            {
-                thumbDv.send(new EncodeSpeechRequest(new short[160]));
-                Thread.sleep(20);
-            }
-//            for(byte[] frame : frameData)
-//            {
-//                thumbDv.decode(frame);
-//            }
-
-            while(true);
-        }
-        catch(IOException ioe)
-        {
-            mLog.error("Error", ioe);
-        }
-        catch(InterruptedException e)
-        {
-            e.printStackTrace();
-        }
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/AmbeMessage.java

@@ -1,44 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message;
-
-/**
- * AMBE-3000R Message
- */
-public abstract class AmbeMessage
-{
-    /**
-     * Converts the byte array to a hexadecimal string array
-     */
-    public static String toHex(byte[] data)
-    {
-        StringBuilder sb = new StringBuilder();
-
-        for(byte b: data)
-        {
-            sb.append(String.format("%02X", b));
-        }
-
-        return sb.toString();
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/AmbeMessageFactory.java

@@ -1,95 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.response.DecodeSpeechResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.EncodeSpeechResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.GetConfigResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.InitializeCodecResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.ProductIdResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.ReadyResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.SetChannelFormatResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.SetChannelResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.SetPacketModeResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.SetSpeechFormatResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.SetVocoderParameterResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.SetVocoderResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.UnknownResponse;
-import io.github.dsheirer.audio.convert.thumbdv.message.response.VersionResponse;
-
-public class AmbeMessageFactory
-{
-    private static final byte CONTROL_PACKET = (byte)0x00;
-    private static final byte CHANNEL_PACKET = (byte)0x01;
-    private static final byte SPEECH_PACKET = (byte)0x02;
-    private static final int INDEX_PACKET_TYPE = 3;
-    private static final int INDEX_CONTROL_PACKET_TYPE = 4;
-
-
-    public static AmbeMessage getMessage(byte[] data)
-    {
-        if(data != null && data.length >= 5)
-        {
-            if(data[INDEX_PACKET_TYPE] == CONTROL_PACKET)
-            {
-                PacketField packetField = PacketField.fromValue(data[INDEX_CONTROL_PACKET_TYPE]);
-
-                switch(packetField)
-                {
-                    case PKT_CHANNEL_0:
-                        return new SetChannelResponse(data);
-                    case PKT_CHANNEL_FORMAT:
-                        return new SetChannelFormatResponse(data);
-                    case PKT_CODEC_STOP:
-                        return new SetPacketModeResponse(data);
-                    case PKT_GET_CONFIG:
-                        return new GetConfigResponse(data);
-                    case PKT_INIT:
-                        return new InitializeCodecResponse(data);
-                    case PKT_PRODUCT_ID:
-                        return new ProductIdResponse(data);
-                    case PKT_RATE_PARAMETER:
-                        return new SetVocoderParameterResponse(data);
-                    case PKT_RATE_TABLE:
-                        return new SetVocoderResponse(data);
-                    case PKT_READY:
-                        return new ReadyResponse(data);
-                    case PKT_SPEECH_FORMAT:
-                        return new SetSpeechFormatResponse(data);
-                    case PKT_VERSION_STRING:
-                        return new VersionResponse(data);
-                }
-            }
-            else if(data[INDEX_PACKET_TYPE] == CHANNEL_PACKET)
-            {
-                return new EncodeSpeechResponse(data);
-            }
-            else if(data[INDEX_PACKET_TYPE] == SPEECH_PACKET)
-            {
-                return new DecodeSpeechResponse(data);
-            }
-        }
-
-        return new UnknownResponse(data);
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/InitializeOption.java

@@ -1,47 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message;
-
-/**
- * AMBE-3000 Initialization Options
- */
-public enum InitializeOption
-{
-    ENCODER((byte)0x01),
-    DECODER((byte)0x02),
-    ENCODER_AND_DECODER((byte)0x03),
-    ECHO_CANCELLER((byte)0x04),
-    ENCODER_DECODER_ECHO_CANCELLER((byte)0x07);
-
-    private byte mCode;
-
-    InitializeOption(byte code)
-    {
-        mCode = code;
-    }
-
-    public byte getCode()
-    {
-        return mCode;
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/PacketField.java

@@ -1,160 +0,0 @@
-/*
- * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * ****************************************************************************
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message;
-
-/**
- * AMBE-3000R Control Packet Field enumeration
- */
-public enum PacketField
-{
-    PKT_ENCODER_CMODE((byte)0x05),
-    PKT_DECODER_CMODE((byte)0x06),
-    PKT_RATE_TABLE((byte)0x09),
-    PKT_RATE_PARAMETER((byte)0x0A),
-    PKT_INIT((byte)0x0B),
-    PKT_LOW_POWER((byte)0x10),
-    PKT_CHANNEL_FORMAT((byte)0x15),
-    PKT_SPEECH_FORMAT((byte)0x16),
-    PKT_CODEC_START((byte)0x2A),
-    PKT_CODEC_STOP((byte)0x2B),
-    PKT_PRODUCT_ID((byte)0x30),
-    PKT_VERSION_STRING((byte)0x31),
-    PKT_COMPAND((byte)0x32),
-    PKT_RESET((byte)0x33),
-    PKT_RESET_TO_SOFTWARE_CONFIG((byte)0x34),
-    PKT_HALT((byte)0x35),
-    PKT_GET_CONFIG((byte)0x36),
-    PKT_READ_CONFIG((byte)0x37),
-    PKT_CODEC_CFG((byte)0x38),
-    PKT_READY((byte)0x39),
-    PKT_PARITY_MODE((byte)0x3F),
-    PKT_CHANNEL_0((byte)0x40),
-    PKT_WRITE_I2C((byte)0x44),
-    PKT_CLEAR_CODEC_RESET((byte)0x46),
-    PKT_SET_CODEC_RESET((byte)0x47),
-    PKT_DISCARD_CODEC_SAMPLES((byte)0x48),
-    PKT_DELAY_NUMBER_MICRO_SECONDS((byte)0x49),
-    PKT_DELAY_NUMBER_NANO_SECONDS((byte)0x4A),
-    PKT_GAIN((byte)0x4B),
-    PKT_RTS_THRESHOLD((byte)0x4E),
-
-    //Speech packet values
-    SPEECH_DATA((byte)0x00),
-    CHANNEL_DATA_HARD_SYMBOL((byte)0x01),
-    CMODE((byte)0x02),
-    SAMPLE_COUNT((byte)0x03),
-    TONE((byte)0x08),
-    CHANNEL_DATA_SOFT_SYMBOL((byte)0x17),
-    VOCODER((byte)0x40),
-
-    //Packet Types
-    PACKET_TYPE_CONTROL((byte)0x00),
-    PACKET_TYPE_ENCODE_SPEECH((byte)0x01),
-    PACKET_TYPE_DECODE_SPEECH((byte)0x02),
-
-    UNKNOWN((byte)0x00);
-
-    private byte mCode;
-
-    PacketField(byte code)
-    {
-        mCode = code;
-    }
-
-    /**
-     * Packet type byte code value
-     */
-    public byte getCode()
-    {
-        return mCode;
-    }
-
-    /**
-     * Lookup a packet type from the code byte value
-     */
-    public static PacketField fromValue(byte value)
-    {
-        switch(value)
-        {
-            case (byte)0x05:
-                return PKT_ENCODER_CMODE;
-            case (byte)0x06:
-                return PKT_DECODER_CMODE;
-            case (byte)0x09:
-                return PKT_RATE_TABLE;
-            case (byte)0x0A:
-                return PKT_RATE_PARAMETER;
-            case (byte)0x0B:
-                return PKT_INIT;
-            case (byte)0x10:
-                return PKT_LOW_POWER;
-            case (byte)0x15:
-                return PKT_CHANNEL_FORMAT;
-            case (byte)0x16:
-                return PKT_SPEECH_FORMAT;
-            case (byte)0x2A:
-                return PKT_CODEC_START;
-            case (byte)0x2B:
-                return PKT_CODEC_STOP;
-            case (byte)0x30:
-                return PKT_PRODUCT_ID;
-            case (byte)0x31:
-                return PKT_VERSION_STRING;
-            case (byte)0x32:
-                return PKT_COMPAND;
-            case (byte)0x33:
-                return PKT_RESET;
-            case (byte)0x34:
-                return PKT_RESET_TO_SOFTWARE_CONFIG;
-            case (byte)0x35:
-                return PKT_HALT;
-            case (byte)0x36:
-                return PKT_GET_CONFIG;
-            case (byte)0x37:
-                return PKT_READ_CONFIG;
-            case (byte)0x38:
-                return PKT_CODEC_CFG;
-            case (byte)0x39:
-                return PKT_READY;
-            case (byte)0x3F:
-                return PKT_PARITY_MODE;
-            case (byte)0x40:
-                return PKT_CHANNEL_0;
-            case (byte)0x44:
-                return PKT_WRITE_I2C;
-            case (byte)0x46:
-                return PKT_CLEAR_CODEC_RESET;
-            case (byte)0x47:
-                return PKT_SET_CODEC_RESET;
-            case (byte)0x48:
-                return PKT_DISCARD_CODEC_SAMPLES;
-            case (byte)0x49:
-                return PKT_DELAY_NUMBER_MICRO_SECONDS;
-            case (byte)0x4A:
-                return PKT_DELAY_NUMBER_NANO_SECONDS;
-            case (byte)0x4B:
-                return PKT_GAIN;
-            case (byte)0x4E:
-                return PKT_RTS_THRESHOLD;
-            default:
-                return UNKNOWN;
-        }
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/VocoderRate.java

@@ -1,129 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message;
-
-public enum VocoderRate
-{
-    //AMBE-1000 Standard Rates
-    RATE_0((byte)0x00, 2400,0),
-    RATE_1((byte)0x01, 3600,0),
-    RATE_2((byte)0x02, 3600,1200),
-    RATE_3((byte)0x03, 4800,0),
-    RATE_4((byte)0x04, 9600,0),
-    RATE_5((byte)0x05, 2350,50),
-    RATE_6((byte)0x06, 4850,4750),
-    RATE_7((byte)0x07, 4550,250),
-    RATE_8((byte)0x08, 3100,1700),
-    RATE_9((byte)0x09, 4400,2800),
-    RATE_10((byte)0x0A, 4150,2250),
-    RATE_11((byte)0x0B, 3350,250),
-    RATE_12((byte)0x0C, 7750,250),
-    RATE_13((byte)0x0D, 4650,3350),
-    RATE_14((byte)0x0E, 3750,250),
-    RATE_15((byte)0x0F, 4000,0),
-
-    //AMBE-2000 Standard Rates
-    RATE_16((byte)0x10, 3600,0),
-    RATE_17((byte)0x11, 4000,0),
-    RATE_18((byte)0x12, 4800,0),
-    RATE_19((byte)0x13, 6400,0),
-    RATE_20((byte)0x14, 8000,0),
-    RATE_21((byte)0x15, 9600,0),
-    RATE_22((byte)0x16, 2400,1600),
-    RATE_23((byte)0x17, 3600,1200),
-    RATE_24((byte)0x18, 4000,800),
-    RATE_25((byte)0x19, 2400,2400),
-    RATE_26((byte)0x1A, 4000,2400),
-    RATE_27((byte)0x1B, 4400,2800), //Is this compatible with APCO25 Phase 1?
-    RATE_28((byte)0x1C, 4000,4000),
-    RATE_29((byte)0x1D, 2400,7200),
-    RATE_30((byte)0x1E, 3600,6000),
-    RATE_31((byte)0x1F, 2000,0),
-    RATE_32((byte)0x20, 3600,2800),
-
-    //AMBE-3000 Standard Rates (AMBE+2)
-    RATE_33((byte)0x21, 2450,1150), //APCO25 HR (Phase 2), DMR, NXDN, DSTAR
-    RATE_34((byte)0x22, 2450,0),
-    RATE_35((byte)0x23, 2250,1150),
-    RATE_36((byte)0x24, 2250,0),
-    RATE_37((byte)0x25, 2400,0),
-    RATE_38((byte)0x26, 3000,0),
-    RATE_39((byte)0x27, 3600,0),
-    RATE_40((byte)0x28, 4000,0),
-    RATE_41((byte)0x29, 4400,0),
-    RATE_42((byte)0x2A, 4800,0),
-    RATE_43((byte)0x2B, 6400,0),
-    RATE_44((byte)0x2C, 7200,0),
-    RATE_45((byte)0x2D, 8000,0),
-    RATE_46((byte)0x2E, 9600,0),
-    RATE_47((byte)0x2F, 2450,250),
-    RATE_48((byte)0x30, 3350,250),
-    RATE_49((byte)0x31, 3750,250),
-    RATE_50((byte)0x32, 4550,250),
-    RATE_51((byte)0x33, 2450,1950),
-    RATE_52((byte)0x34, 2450,2350),
-    RATE_53((byte)0x35, 2450,3550),
-    RATE_54((byte)0x36, 2450,4750),
-    RATE_55((byte)0x37, 2600,1400),
-    RATE_56((byte)0x38, 3600,1200),
-    RATE_57((byte)0x39, 4000,800),
-    RATE_58((byte)0x3A, 4000,2400),
-    RATE_59((byte)0x3B, 4400,2800), //Is this compatible with APCO25 Phase 1?
-    RATE_60((byte)0x3C, 4000,4000),
-    RATE_61((byte)0x3D, 3600,6000);
-
-    private byte mCode;
-    private int mSpeechRate;
-    private int mFecRate;
-    
-    VocoderRate(byte code, int speechRate, int fecRate)
-    {
-        mCode = code;
-        mSpeechRate = speechRate;
-        mFecRate = fecRate;
-    }
-
-    /**
-     * Byte code value for the vocoder rate
-     */
-    public byte getCode()
-    {
-        return mCode;
-    }
-
-    /**
-     * Speech rate in bits per second (bps)
-     */
-    public int getSpeechRate()
-    {
-        return mSpeechRate;
-    }
-
-    /**
-     * Forward Error Correction rate in bits per second (bps)
-     */
-    public int getFecRate()
-    {
-        return mFecRate;
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/AmbeRequest.java

@@ -1,67 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.AmbeMessage;
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * AMBE-3000R Request Packet
- */
-public abstract class AmbeRequest extends AmbeMessage
-{
-    private static final byte PACKET_START_BYTE = (byte)0x61;
-    protected static final int PACKET_TYPE_INDEX = 3;
-    protected static final int PAYLOAD_START_INDEX = 4;
-
-    public abstract PacketField getType();
-    public abstract byte[] getData();
-
-    /**
-     * Creates a byte array of the specified length plus 4 packet header bytes with packet start, length and control
-     * bytes filled in.
-     *
-     * @param length of the message (not including the 4 byte packet header)
-     * @return byte array with packet header pre-filled.
-     */
-    protected byte[] createMessage(int length, PacketField type)
-    {
-        byte[] data = new byte[length + 4];
-
-        data[0] = PACKET_START_BYTE;
-        data[1] = (byte)((length >> 8 & 0xFF));
-        data[2] = (byte)(length & 0xFF);
-
-        if(type == PacketField.PACKET_TYPE_ENCODE_SPEECH || type == PacketField.PACKET_TYPE_DECODE_SPEECH)
-        {
-            data[PACKET_TYPE_INDEX] = type.getCode();
-        }
-        else
-        {
-            data[PACKET_TYPE_INDEX] = PacketField.PACKET_TYPE_CONTROL.getCode();
-            data[PAYLOAD_START_INDEX] = type.getCode();
-        }
-
-        return data;
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/DecodeSpeechRequest.java

@@ -1,108 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-import io.github.dsheirer.audio.convert.thumbdv.message.VocoderRate;
-
-/**
- * Decode speech request, used to request decode of an encoded audio frame.
- */
-public class DecodeSpeechRequest extends AmbeRequest
-{
-    private static final int CHANNEL_DATA_IDENTIFIER_INDEX = 4;
-    private static final byte SAMPLE_COUNT = (byte)(0xFF & 160);  //8 kHz Audio sample count for 20ms frame
-
-    private byte[] mAudioFrame;
-    private VocoderRate mVocoderRate;
-
-    /**
-     * Constructs an audio frame decode request using the specified vocoder rate.
-     * @param audioFrame of encoded audio samples
-     * @param vocoderRate to use when decoding
-     */
-    public DecodeSpeechRequest(byte[] audioFrame, VocoderRate vocoderRate)
-    {
-        mAudioFrame = audioFrame;
-        mVocoderRate = vocoderRate;
-    }
-
-    /**
-     * Constructs an audio frame decode request using the current vocoder rate.
-     * @param audioFrame of encoded audio samples
-     */
-    public DecodeSpeechRequest(byte[] audioFrame)
-    {
-        this(audioFrame, null);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PACKET_TYPE_ENCODE_SPEECH;
-    }
-
-    private boolean hasVocoderRate()
-    {
-        return mVocoderRate != null;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        if(hasVocoderRate())
-        {
-            int length = mAudioFrame.length + 9;
-
-            byte[] data = createMessage(length, getType());
-            int offset = CHANNEL_DATA_IDENTIFIER_INDEX;
-
-            data[offset++] = PacketField.VOCODER.getCode();
-            data[offset++] = mVocoderRate.getCode();
-
-            data[offset++] = PacketField.CHANNEL_DATA_HARD_SYMBOL.getCode();
-            data[offset++] = (byte)(0xFF & (mAudioFrame.length * 8));
-            System.arraycopy(mAudioFrame, 0, data, offset, mAudioFrame.length);
-            offset += mAudioFrame.length;
-            data[offset++] = PacketField.SAMPLE_COUNT.getCode();
-            data[offset++] = (byte)0xA0;
-            data[offset++] = (byte)0x02;
-            data[offset++] = (byte)0x00;
-            data[offset] = (byte)0x00;
-
-            return data;
-        }
-        else
-        {
-            int length = mAudioFrame.length + 2;
-            byte[] data = createMessage(length, getType());
-
-            int offset = CHANNEL_DATA_IDENTIFIER_INDEX;
-            data[offset++] = PacketField.CHANNEL_DATA_HARD_SYMBOL.getCode();
-            data[offset++] = (byte)(0xFF & (mAudioFrame.length * 8));
-            System.arraycopy(mAudioFrame, 0, data, offset, mAudioFrame.length);
-
-            return data;
-        }
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/EncodeSpeechRequest.java

@@ -1,88 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-public class EncodeSpeechRequest extends AmbeRequest
-{
-    private static final int CHANNEL_IDENTIFIER_INDEX = 4;
-    private static final int SPEECH_DATA_IDENTIFIER_INDEX = 5;
-    private static final int SAMPLE_COUNT_INDEX = 6;
-    private static final int SPEECH_DATA_START_INDEX = 7;
-
-    private short[] mSamples;
-
-    public EncodeSpeechRequest(short[] samples)
-    {
-        mSamples = samples;
-    }
-
-    public EncodeSpeechRequest(float[] samples)
-    {
-        mSamples = new short[samples.length];
-
-        for(int x = 0; x < samples.length; x++)
-        {
-            if(samples[x] > 1.0f)
-            {
-                mSamples[x] = Short.MAX_VALUE;
-            }
-            else if(samples[x] < -1.0f)
-            {
-                mSamples[x] = Short.MIN_VALUE;
-            }
-            else
-            {
-                mSamples[x] = (short)(samples[x] * Short.MAX_VALUE);
-            }
-        }
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PACKET_TYPE_DECODE_SPEECH;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        int length = (mSamples.length * 2) + 3;
-        byte[] data = createMessage(length, getType());
-
-        data[CHANNEL_IDENTIFIER_INDEX] = PacketField.PKT_CHANNEL_0.getCode();
-        data[SPEECH_DATA_IDENTIFIER_INDEX] = (byte)0x00;
-        data[SAMPLE_COUNT_INDEX] = (byte)(0xFF & mSamples.length);
-
-        int pointer = SPEECH_DATA_START_INDEX;
-
-        for(short sample: mSamples)
-        {
-            data[pointer++] = (byte)((sample >> 8 & 0xFF));
-            data[pointer++] = (byte)(sample & 0xFF);
-        }
-
-        return data;
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/GetConfigRequest.java

@@ -1,43 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Get configuration request packet
- */
-public class GetConfigRequest extends AmbeRequest
-{
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_GET_CONFIG;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        return createMessage(1, getType());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/InitializeCodecRequest.java

@@ -1,54 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.InitializeOption;
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Initialize CODEC request packet
- */
-public class InitializeCodecRequest extends AmbeRequest
-{
-    private static final int INITIALIZE_OPTION_INDEX = 5;
-    private InitializeOption mInitializeOption;
-
-    public InitializeCodecRequest(InitializeOption option)
-    {
-        mInitializeOption = option;
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_INIT;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        byte[] data = createMessage(2, getType());
-        data[INITIALIZE_OPTION_INDEX] = mInitializeOption.getCode();
-        return data;
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/ProductIdRequest.java

@@ -1,43 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Product ID request packet
- */
-public class ProductIdRequest extends AmbeRequest
-{
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_PRODUCT_ID;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        return createMessage(1, getType());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/ResetRequest.java

@@ -1,43 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Reset request packet
- */
-public class ResetRequest extends AmbeRequest
-{
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_RESET;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        return createMessage(1, getType());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/SetChannelFormatRequest.java

@@ -1,48 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Set channel format request packet
- */
-public class SetChannelFormatRequest extends AmbeRequest
-{
-    private static final int FORMAT_INDEX = 5;
-    private static final byte FORMAT = (byte)0x00;
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_CHANNEL_FORMAT;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        byte[] data = createMessage(2, getType());
-        data[FORMAT_INDEX] = FORMAT;
-        return data;
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/SetChannelRequest.java

@@ -1,43 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Set channel request packet
- */
-public class SetChannelRequest extends AmbeRequest
-{
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_CHANNEL_0;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        return createMessage(1, getType());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/SetPacketModeRequest.java

@@ -1,43 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Packet mode (versus CODEC mode) request packet
- */
-public class SetPacketModeRequest extends AmbeRequest
-{
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_CODEC_STOP;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        return createMessage(1, getType());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/SetSpeechFormatRequest.java

@@ -1,48 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Set speech format request packet
- */
-public class SetSpeechFormatRequest extends AmbeRequest
-{
-    private static final int FORMAT_INDEX = 5;
-    private static final byte FORMAT = (byte)0x00;
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_SPEECH_FORMAT;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        byte[] data = createMessage(2, getType());
-        data[FORMAT_INDEX] = FORMAT;
-        return data;
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/SetVocoderParametersRequest.java

@@ -1,74 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Set Vocoder parameters request packet
- */
-public class SetVocoderParametersRequest extends AmbeRequest
-{
-    private int mWord0;
-    private int mWord1;
-    private int mWord2;
-    private int mWord3;
-    private int mWord4;
-    private int mWord5;
-
-    public SetVocoderParametersRequest(int word0, int word1, int word2, int word3, int word4, int word5)
-    {
-        mWord0 = word0;
-        mWord1 = word1;
-        mWord2 = word2;
-        mWord3 = word3;
-        mWord4 = word4;
-        mWord5 = word5;
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_RATE_PARAMETER;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        byte[] data = createMessage(14, getType());
-        data[PAYLOAD_START_INDEX + 1] = (byte)(mWord0 >> 8 & 0xFF);
-        data[PAYLOAD_START_INDEX + 2] = (byte)(mWord0 & 0xFF);
-        data[PAYLOAD_START_INDEX + 3] = (byte)(mWord1 >> 8 & 0xFF);
-        data[PAYLOAD_START_INDEX + 4] = (byte)(mWord1 & 0xFF);
-        data[PAYLOAD_START_INDEX + 5] = (byte)(mWord2 >> 8 & 0xFF);
-        data[PAYLOAD_START_INDEX + 6] = (byte)(mWord2 & 0xFF);
-        data[PAYLOAD_START_INDEX + 7] = (byte)(mWord3 >> 8 & 0xFF);
-        data[PAYLOAD_START_INDEX + 8] = (byte)(mWord3 & 0xFF);
-        data[PAYLOAD_START_INDEX + 9] = (byte)(mWord4 >> 8 & 0xFF);
-        data[PAYLOAD_START_INDEX + 10] = (byte)(mWord4 & 0xFF);
-        data[PAYLOAD_START_INDEX + 11] = (byte)(mWord5 >> 8 & 0xFF);
-        data[PAYLOAD_START_INDEX + 12] = (byte)(mWord5 & 0xFF);
-
-        return data;
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/SetVocoderRequest.java

@@ -1,53 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-import io.github.dsheirer.audio.convert.thumbdv.message.VocoderRate;
-
-/**
- * Set Vocoder Rate request packet
- */
-public class SetVocoderRequest extends AmbeRequest
-{
-    private VocoderRate mVocoderRate;
-
-    public SetVocoderRequest(VocoderRate rate)
-    {
-        mVocoderRate = rate;
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_RATE_TABLE;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        byte[] data = createMessage(2, getType());
-        data[PAYLOAD_START_INDEX + 1] = mVocoderRate.getCode();
-        return data;
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/request/VersionRequest.java

@@ -1,43 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.request;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Version string request packet
- */
-public class VersionRequest extends AmbeRequest
-{
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_VERSION_STRING;
-    }
-
-    @Override
-    public byte[] getData()
-    {
-        return createMessage(1, getType());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/AmbeResponse.java

@@ -1,60 +0,0 @@
-/*
- * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * ****************************************************************************
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.AmbeMessage;
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-import java.util.Arrays;
-
-/**
- * AMBE-3000R Response Packet
- */
-public abstract class AmbeResponse extends AmbeMessage
-{
-    protected static final int PAYLOAD_START_INDEX = 5;
-    private byte[] mMessage;
-
-    protected AmbeResponse(byte[] message)
-    {
-        mMessage = message;
-    }
-
-    /**
-     * Control packet type
-     */
-    public abstract PacketField getType();
-
-    /**
-     * Received message bytes
-     */
-    protected byte[] getMessage()
-    {
-        return mMessage;
-    }
-
-    /**
-     * Payload of the packet (does not include the packet header)
-     */
-    protected byte[] getPayload()
-    {
-        return Arrays.copyOfRange(getMessage(), PAYLOAD_START_INDEX, getMessage().length);
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/DecodeSpeechResponse.java

@@ -1,59 +0,0 @@
-/*******************************************************************************
- * sdr-trunk
- * Copyright (C) 2014-2019 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
- * License as published by  the Free Software Foundation, either version 3 of the License, or  (at your option) any
- * later version.
- *
- * This program is distributed in the hope that it will be useful,  but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License  along with this program.
- * If not, see <http://www.gnu.org/licenses/>
- *
- ******************************************************************************/
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-import io.github.dsheirer.sample.ConversionUtils;
-
-import java.util.Arrays;
-
-/**
- * Decode speech response
- */
-public class DecodeSpeechResponse extends AmbeResponse
-{
-    public DecodeSpeechResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PACKET_TYPE_DECODE_SPEECH;
-    }
-
-
-    /**
-     * Payload of the packet (does not include the packet header)
-     */
-    protected byte[] getPayload()
-    {
-        return Arrays.copyOfRange(getMessage(), PAYLOAD_START_INDEX + 1, getMessage().length);
-    }
-
-    public float[] getSamples()
-    {
-        return ConversionUtils.convertFromSigned16BitSamples(getPayload());
-    }
-
-    @Override
-    public String toString()
-    {
-        return "DECODED SPEECH: SAMPLE COUNT:" + getSamples().length + " " + toHex(getPayload());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/EncodeSpeechResponse.java

@@ -1,59 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-import java.util.Arrays;
-
-/**
- * Encode speech response
- */
-public class EncodeSpeechResponse extends AmbeResponse
-{
-    public EncodeSpeechResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PACKET_TYPE_ENCODE_SPEECH;
-    }
-
-
-    /**
-     * Payload of the packet (does not include the packet header)
-     */
-    protected byte[] getPayload()
-    {
-        return Arrays.copyOfRange(getMessage(), PAYLOAD_START_INDEX + 1, getMessage().length);
-    }
-
-    @Override
-    public String toString()
-    {
-        return "ENCODED SPEECH: " + toHex(getPayload()) + " " + Arrays.toString(getMessage());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/GetConfigResponse.java

@@ -1,49 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Get configuration response
- */
-public class GetConfigResponse extends AmbeResponse
-{
-    public GetConfigResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_GET_CONFIG;
-    }
-
-
-    @Override
-    public String toString()
-    {
-        return "CONFIGURATION: " + toHex(getPayload());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/InitializeCodecResponse.java

@@ -1,58 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Initialize CODEC response
- */
-public class InitializeCodecResponse extends AmbeResponse
-{
-    public InitializeCodecResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_INIT;
-    }
-
-    /**
-     * Success / fail
-     */
-    public boolean isSuccessful()
-    {
-        byte[] payload = getPayload();
-
-        return payload != null && payload.length ==1 && payload[0] == 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return "INITIALIZE CODEC " + (isSuccessful() ? "SUCCESSFUL" : "**FAILED**");
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/ProductIdResponse.java

@@ -1,56 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Product ID Response
- */
-public class ProductIdResponse extends AmbeResponse
-{
-    public ProductIdResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_PRODUCT_ID;
-    }
-
-    /**
-     * Product ID string
-     */
-    public String getProductId()
-    {
-        return new String(getPayload()).trim();
-    }
-
-    @Override
-    public String toString()
-    {
-        return "PRODUCT ID:" + getProductId();
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/ReadyResponse.java

@@ -1,50 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-import java.util.Arrays;
-
-/**
- * Ready response
- */
-public class ReadyResponse extends AmbeResponse
-{
-    public ReadyResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_READY;
-    }
-
-    @Override
-    public String toString()
-    {
-        return "READY" + Arrays.toString(getMessage());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/ResetResponse.java

@@ -1,57 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Reset response
- */
-public class ResetResponse extends AmbeResponse
-{
-    public ResetResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_RESET;
-    }
-
-    /**
-     * Success indicator
-     */
-    public boolean isSuccessful()
-    {
-        byte[] payload = getPayload();
-        return payload != null && payload.length ==1 && payload[0] == 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return "RESET " + (isSuccessful() ? "SUCCESSFUL" : "**FAILED**");
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/SetChannelFormatResponse.java

@@ -1,58 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Set channel format response
- */
-public class SetChannelFormatResponse extends AmbeResponse
-{
-    public SetChannelFormatResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_CHANNEL_FORMAT;
-    }
-
-    /**
-     * Success or fail
-     */
-    public boolean isSuccessful()
-    {
-        byte[] payload = getPayload();
-
-        return payload != null && payload.length ==1 && payload[0] == 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return "SET CHANNEL FORMAT " + (isSuccessful() ? "SUCCESSFUL" : "**FAILED**");
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/SetChannelResponse.java

@@ -1,57 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Set Vocoder rate response
- */
-public class SetChannelResponse extends AmbeResponse
-{
-    public SetChannelResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_CHANNEL_0;
-    }
-
-    /**
-     * Success indicator
-     */
-    public boolean isSuccessful()
-    {
-        byte[] payload = getPayload();
-        return payload != null && payload.length ==1 && payload[0] == 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return "SET CHANNEL 0 " + (isSuccessful() ? "SUCCESSFUL" : "**FAILED**");
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/SetPacketModeResponse.java

@@ -1,58 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Set packet mode response
- */
-public class SetPacketModeResponse extends AmbeResponse
-{
-    public SetPacketModeResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_CODEC_STOP;
-    }
-
-    /**
-     * Success or fail
-     */
-    public boolean isSuccessful()
-    {
-        byte[] payload = getPayload();
-
-        return payload != null && payload.length ==1 && payload[0] == 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return "SET PACKET MODE " + (isSuccessful() ? "SUCCESSFUL" : "**FAILED**");
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/SetSpeechFormatResponse.java

@@ -1,58 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Set speech format response
- */
-public class SetSpeechFormatResponse extends AmbeResponse
-{
-    public SetSpeechFormatResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_SPEECH_FORMAT;
-    }
-
-    /**
-     * Success or fail
-     */
-    public boolean isSuccessful()
-    {
-        byte[] payload = getPayload();
-
-        return payload != null && payload.length ==1 && payload[0] == 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return "SET SPEECH FORMAT " + (isSuccessful() ? "SUCCESSFUL" : "**FAILED**");
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/SetVocoderParameterResponse.java

@@ -1,65 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Set Vocoder parameter response
- */
-public class SetVocoderParameterResponse extends AmbeResponse
-{
-    public SetVocoderParameterResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_RATE_PARAMETER;
-    }
-
-    /**
-     * Success indicator
-     */
-    public boolean isSuccessful()
-    {
-        byte[] payload = getPayload();
-
-        return payload != null && payload.length ==3 && payload[0] == 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        if(isSuccessful())
-        {
-            return "SET VOCODER RATE SUCCESSFUL";
-        }
-        else
-        {
-            return "SET VOCODER RATE **FAILED** - RESPONSE:" + toHex(getPayload());
-        }
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/SetVocoderResponse.java

@@ -1,58 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Set Vocoder rate response
- */
-public class SetVocoderResponse extends AmbeResponse
-{
-    public SetVocoderResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_RATE_TABLE;
-    }
-
-    /**
-     * Success indicator
-     */
-    public boolean isSuccessful()
-    {
-        byte[] payload = getPayload();
-
-        return payload != null && payload.length ==1 && payload[0] == 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return "SET VOCODER RATE " + (isSuccessful() ? "SUCCESSFUL" : "**FAILED**");
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/UnknownResponse.java

@@ -1,50 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-import java.util.Arrays;
-
-/**
- * Unknown Response Message
- */
-public class UnknownResponse extends AmbeResponse
-{
-    public UnknownResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.UNKNOWN;
-    }
-
-    @Override
-    public String toString()
-    {
-        return "UNKNOWN MESSAGE:" + Arrays.toString(getMessage());
-    }
-}

src/main/java/io/github/dsheirer/audio/convert/thumbdv/message/response/VersionResponse.java

@@ -1,56 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-
-package io.github.dsheirer.audio.convert.thumbdv.message.response;
-
-import io.github.dsheirer.audio.convert.thumbdv.message.PacketField;
-
-/**
- * Version Response
- */
-public class VersionResponse extends AmbeResponse
-{
-    public VersionResponse(byte[] message)
-    {
-        super(message);
-    }
-
-    @Override
-    public PacketField getType()
-    {
-        return PacketField.PKT_VERSION_STRING;
-    }
-
-    /**
-     * Version string
-     */
-    public String getVersion()
-    {
-        return new String(getPayload()).trim();
-    }
-
-    @Override
-    public String toString()
-    {
-        return "VERSION:" + getVersion();
-    }
-}

src/main/java/io/github/dsheirer/dsp/c4fm/C4FMSymbolProcessor.java

@@ -257,6 +257,20 @@ public abstract class C4FMSymbolProcessor
         return true;
     }
 
+    /**
+     * Maximum bit errors allowed in a detected sync pattern while acquiring (ie not synchronized), measured from the
+     * symbol decisions at the optimized symbol timing.  Sync detections with more bit errors are rejected.  Bit errors
+     * include symbol magnitude (ie +3 vs +1) errors, so this rejects noise where the symbol signs correlate with the
+     * sync pattern but the symbol magnitudes are inconsistent.  Once synchronized, the limit isn't applied since the
+     * sync detection timing is known and rejecting a valid sync detection costs the burst.  Default implementation
+     * imposes no limit.
+     * @return maximum sync pattern bit error count while acquiring.
+     */
+    public int getSyncAcquisitionMaxBitErrors()
+    {
+        return Integer.MAX_VALUE;
+    }
+
     /**
      * Number of consecutive sync periods (capped at 3) where a sync was detected within the max message length.
      */
@@ -945,12 +959,14 @@ public abstract class C4FMSymbolProcessor
         }
 
         /**
-         * Indicates if this correction has a valid NID or the optimization (or detection) score is high quality.
+         * Indicates if the optimization score is high quality and, while acquiring, the sync pattern bit errors don't
+         * exceed the max.
          * @return true if valid.
          */
         public boolean isValid()
         {
-            return mOptimizationScore > getSyncThresholdEqualized();
+            return mOptimizationScore > getSyncThresholdEqualized() &&
+                    (mSynchronized || mCorrectedBitCount <= getSyncAcquisitionMaxBitErrors());
         }
     }
 
@@ -1297,7 +1313,7 @@ public abstract class C4FMSymbolProcessor
 
         for(int x = 0; x < patternSymbols.length; x++)
         {
-            if(bufferPointer < maxPointer)
+            if(bufferPointer >= 0 && bufferPointer < maxPointer)
             {
                 softSymbol = interpolate(mBuffer[bufferPointer], mBuffer[bufferPointer + 1], fractional) * gain + balance;
             }

src/main/java/io/github/dsheirer/module/decode/dmr/DMRDecoderState.java

@@ -298,7 +298,10 @@ public class DMRDecoderState extends TimeslotDecoderState
         {
             if(message instanceof VoiceMessage voice)
             {
-                processVoice(voice);
+                if(isValid(voice))
+                {
+                    processVoice(voice);
+                }
             }
             else if(message instanceof DataMessage data)
             {

src/main/java/io/github/dsheirer/module/decode/dmr/DMRSymbolProcessor.java

@@ -66,6 +66,12 @@ public class DMRSymbolProcessor extends C4FMSymbolProcessor
     private static final float SYNC_THRESHOLD_EQUALIZED = 70;
     //Once synchronized, sync detections are only allowed within this many symbols of a burst boundary.
     private static final int SYNC_WINDOW_SYMBOLS = 2;
+    //Maximum bit errors (of 48) in a detected sync pattern while acquiring.  Testing: all false sync detections in
+    //600 seconds of noise occurred while acquiring, with 7+ (mostly 12+) bit errors, and a max of 8 eliminated them
+    //(245 bursts to 0) at a cost of < 0.6% valid data bursts on clean recordings and 0.3 - 5.5% on multipath
+    //recordings with injected noise, where valid link control improved.  A max of 10 leaks noise false syncs and 6
+    //costs more multipath data bursts.  Applying the max once synchronized cost 3 - 20% of valid bursts.
+    private static final int SYNC_ACQUISITION_MAX_BIT_ERRORS = 8;
     private final DMRSyncModeMonitor mSyncModeMonitor = new DMRSyncModeMonitor();
     private final DMRMessageFramer mMessageFramer;
 
@@ -142,6 +148,12 @@ public class DMRSymbolProcessor extends C4FMSymbolProcessor
         return Math.min(offset, BURST_DIBIT_LENGTH - offset) <= SYNC_WINDOW_SYMBOLS;
     }
 
+    @Override
+    public int getSyncAcquisitionMaxBitErrors()
+    {
+        return SYNC_ACQUISITION_MAX_BIT_ERRORS;
+    }
+
     @Override
     public boolean isDynamicBalanceTrackingRequired()
     {

src/main/java/io/github/dsheirer/module/decode/dmr/audio/DMRAudioModule.java

@@ -105,6 +105,13 @@ public class DMRAudioModule extends AmbeAudioModule implements IdentifierUpdateP
     {
         if(hasAudioCodec() && message.getTimeslot() == getTimeslot())
         {
+            //Ignore voice messages where none of the AMBE voice frames pass error detection, so that invalid voice
+            //messages (ie false sync detections) don't produce audio or establish the encryption state.
+            if(message instanceof VoiceMessage voiceMessage && !voiceMessage.isValid())
+            {
+                return;
+            }
+
             //Attempt to set the audio encryption state from certain types of messages
             if(!mEncryptedCallStateEstablished)
             {

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/AMBEFrameValidator.java

@@ -0,0 +1,207 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.voice;
+
+import io.github.dsheirer.bits.BinaryMessage;
+
+/**
+ * Error detection for the three AMBE+2 (3600 x 2450) voice frames carried in a DMR voice burst.
+ *
+ * Each 72-bit voice frame carries an extended Golay(24,12) protected C0 vector and a Golay(23,12) protected C1 vector
+ * that is scrambled with a pseudo-random sequence seeded by the 12 data bits of C0.  The C2 and C3 vectors are not
+ * protected.  Golay(23,12) is a perfect code where every 23-bit word decodes to a codeword within 3 bit errors, so a
+ * frame is only considered valid when the combined C0 and C1 error count is low, which random (ie noise) bits rarely
+ * achieve.
+ *
+ * Vector bit indices and the C1 scrambling sequence are from the JMBE AMBEFrame decoder.  Burst bit indices of each
+ * voice frame match VoiceMessage.getAMBEFrames(): frames 1 and 3 are contiguous and frame 2 is split around the 48-bit
+ * sync/embedded signalling field in the middle of the burst.
+ */
+public class AMBEFrameValidator
+{
+    /**
+     * Maximum combined C0 and C1 bit errors for a valid voice frame.  Random 47-bit sequences have a combined error
+     * count of 2 or less with a probability of ~1.3e-4.
+     */
+    public static final int MAX_ERRORS = 2;
+
+    private static final int[] VECTOR_C0 = {0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 1, 5,
+            9, 13, 17, 21};
+    private static final int[] VECTOR_C1 = {25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 2, 6, 10, 14, 18, 22, 26,
+            30, 34, 38, 42};
+    private static final int[] FRAME_OFFSETS = {24, 96, 216};
+    private static final int GOLAY_23_GENERATOR = 0xC75;
+    private static final int[][] C0_INDICES = new int[3][VECTOR_C0.length];
+    private static final int[][] C1_INDICES = new int[3][VECTOR_C1.length];
+    //Minimum weight error pattern for each Golay(23,12) syndrome (perfect code: all syndromes have weight <= 3)
+    private static final int[] ERROR_PATTERNS = new int[2048];
+    //C1 descrambling sequence for each 12-bit C0 data (u0) seed value, MSB first
+    private static final int[] SCRAMBLE_SEQUENCES = new int[4096];
+
+    static
+    {
+        for(int frame = 0; frame < 3; frame++)
+        {
+            for(int x = 0; x < VECTOR_C0.length; x++)
+            {
+                C0_INDICES[frame][x] = getBurstIndex(frame, VECTOR_C0[x]);
+            }
+
+            for(int x = 0; x < VECTOR_C1.length; x++)
+            {
+                C1_INDICES[frame][x] = getBurstIndex(frame, VECTOR_C1[x]);
+            }
+        }
+
+        //Golay(23,12) is perfect: the 2048 error patterns of weight 0 - 3 map one-to-one onto the 2048 syndromes.
+        for(int i = 0; i < 23; i++)
+        {
+            ERROR_PATTERNS[getSyndrome(1 << i)] = 1 << i;
+
+            for(int j = i + 1; j < 23; j++)
+            {
+                ERROR_PATTERNS[getSyndrome((1 << i) | (1 << j))] = (1 << i) | (1 << j);
+
+                for(int k = j + 1; k < 23; k++)
+                {
+                    int pattern = (1 << i) | (1 << j) | (1 << k);
+                    ERROR_PATTERNS[getSyndrome(pattern)] = pattern;
+                }
+            }
+        }
+
+        for(int seed = 0; seed < 4096; seed++)
+        {
+            int pr = 16 * seed;
+            int sequence = 0;
+
+            for(int x = 0; x < 23; x++)
+            {
+                pr = (173 * pr + 13849) % 65536;
+                sequence = (sequence << 1) | (pr >= 32768 ? 1 : 0);
+            }
+
+            SCRAMBLE_SEQUENCES[seed] = sequence;
+        }
+    }
+
+    private AMBEFrameValidator()
+    {
+    }
+
+    /**
+     * Burst bit index for the voice frame bit index.
+     * @param frame index 0-2
+     * @param bit index 0-71 within the (interleaved) voice frame
+     * @return bit index within the 288-bit burst
+     */
+    private static int getBurstIndex(int frame, int bit)
+    {
+        //Frame 2 is split around the 48-bit sync/embedded signalling field (burst bits 132 - 179)
+        if(frame == 1 && bit >= 36)
+        {
+            return FRAME_OFFSETS[frame] + bit + 48;
+        }
+
+        return FRAME_OFFSETS[frame] + bit;
+    }
+
+    /**
+     * Golay(23,12) syndrome for the 23-bit word where the MSB (bit 22) is the first codeword bit.
+     */
+    private static int getSyndrome(int word)
+    {
+        for(int bit = 22; bit >= 11; bit--)
+        {
+            if((word & (1 << bit)) != 0)
+            {
+                word ^= GOLAY_23_GENERATOR << (bit - 11);
+            }
+        }
+
+        return word;
+    }
+
+    /**
+     * Extracts the indexed bits from the message as an integer value, with the first index as the MSB.
+     */
+    private static int getValue(BinaryMessage message, int[] indices)
+    {
+        int value = 0;
+
+        for(int index : indices)
+        {
+            value = (value << 1) | (message.get(index) ? 1 : 0);
+        }
+
+        return value;
+    }
+
+    /**
+     * Combined C0 and C1 bit error count for the voice frame, where C0 is decoded first so that the corrected C0 data
+     * bits can seed the C1 descrambling sequence.  C0 errors include the extended Golay parity bit, so an even weight
+     * C0 error pattern (ie 4 errors) that Golay(23,12) mis-corrects is counted as 4 errors.
+     * @param message containing the 288-bit voice burst
+     * @param frame index 0-2
+     * @return combined C0 and C1 bit error count.
+     */
+    public static int getErrorCount(BinaryMessage message, int frame)
+    {
+        int c0 = getValue(message, C0_INDICES[frame]);
+        int golay = c0 >>> 1;
+        int pattern = ERROR_PATTERNS[getSyndrome(golay)];
+        int corrected = golay ^ pattern;
+        int errors = Integer.bitCount(pattern);
+
+        //Extended Golay(24,12) parity bit provides even parity across the 24-bit codeword
+        if(((Integer.bitCount(corrected) + (c0 & 1)) & 1) != 0)
+        {
+            errors++;
+        }
+
+        //Short circuit when C0 alone exceeds the max error count.
+        if(errors > MAX_ERRORS)
+        {
+            return errors;
+        }
+
+        int c1 = getValue(message, C1_INDICES[frame]) ^ SCRAMBLE_SEQUENCES[corrected >>> 11];
+        return errors + Integer.bitCount(ERROR_PATTERNS[getSyndrome(c1)]);
+    }
+
+    /**
+     * Indicates if at least one of the three voice frames in the burst is valid, checking each frame in turn until a
+     * valid frame is found.
+     * @param message containing the 288-bit voice burst
+     * @return true if at least one voice frame has a combined C0 and C1 error count within the max error count.
+     */
+    public static boolean isValid(BinaryMessage message)
+    {
+        for(int frame = 0; frame < 3; frame++)
+        {
+            if(getErrorCount(message, frame) <= MAX_ERRORS)
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/VoiceMessage.java

@@ -40,9 +40,10 @@ public abstract class VoiceMessage extends DMRBurst
     public static int[] FRAME_1_IV_FRAGMENT = new int[]{95, 91, 87, 83};
     public static int[] FRAME_2_IV_FRAGMENT = new int[]{215, 211, 207, 203};
     public static int[] FRAME_3_IV_FRAGMENT = new int[]{287, 283, 279, 275};
+    private Boolean mValid;
 
     /**
-     * DMR message frame.  This message is comprised of a 24-bit prefix and a 264-bit message frame.  Outbound base
+     * DMR message frame.  This message comprises a 24-bit prefix and a 264-bit message frame.  Outbound base
      * station frames transmit a Common Announcement Channel (CACH) in the 24-bit prefix, whereas Mobile inbound frames
      * do not use the 24-bit prefix.
      *
@@ -73,8 +74,8 @@ public abstract class VoiceMessage extends DMRBurst
         {
             frame_2[i] = getMessage().getByte(96 + i * 8);
         }
-        // 4 bits and 4 bits
+        // 4 bits and 4 bits.  Note: mask the shifted (signed) byte to prevent sign extension into the upper 4 bits.
-        frame_2[4] = (byte)((getMessage().getByte(128) & 0xF0) | (getMessage().getByte(180) >> 4));
+        frame_2[4] = (byte)((getMessage().getByte(128) & 0xF0) | ((getMessage().getByte(180) >> 4) & 0x0F));
         // copy last 4 byte
         for(int i = 0; i < 4; i++)
         {
@@ -109,10 +110,20 @@ public abstract class VoiceMessage extends DMRBurst
         return fragments;
     }
 
+    /**
+     * Indicates if the voice burst is valid, meaning that at least one of the three AMBE voice frames passes error
+     * detection (see AMBEFrameValidator).  Frames are checked in turn until a valid frame is found and the result is
+     * cached.
+     */
     @Override
     public boolean isValid()
     {
-        return true;
+        if(mValid == null)
+        {
+            mValid = AMBEFrameValidator.isValid(getMessage());
+        }
+
+        return mValid;
     }
 
     @Override

src/main/java/io/github/dsheirer/source/tuner/TunerClass.java

@@ -35,6 +35,7 @@ public enum TunerClass
 	LIMESDR("LimeSDR"),
 	RTL2832("RTL-2832"),
 	RSP("RSP"),
+	SIGNAL_HOUND("Signal Hound"),
 	TEST_TUNER("Test"),
 	RECORDING_TUNER("Recording"),
 	UNKNOWN("Unknown" );

src/main/java/io/github/dsheirer/source/tuner/TunerFactory.java

@@ -24,6 +24,7 @@ import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.preference.source.ChannelizerType;
 import io.github.dsheirer.sdrplay.DeviceInfo;
 import io.github.dsheirer.sdrplay.RspModel;
+import io.github.dsheirer.signalhound.DeviceDescriptor;
 import io.github.dsheirer.source.SourceException;
 import io.github.dsheirer.source.mixer.MixerManager;
 import io.github.dsheirer.source.tuner.airspy.AirspyTuner;
@@ -121,6 +122,11 @@ import io.github.dsheirer.source.tuner.sdrplay.rspDx.IControlRspDx;
 import io.github.dsheirer.source.tuner.sdrplay.rspDx.RspDxTunerConfiguration;
 import io.github.dsheirer.source.tuner.sdrplay.rspDx.RspDxTunerController;
 import io.github.dsheirer.source.tuner.sdrplay.rspDx.RspDxTunerEditor;
+import io.github.dsheirer.source.tuner.signalhound.DiscoveredSignalHoundTuner;
+import io.github.dsheirer.source.tuner.signalhound.SignalHoundTuner;
+import io.github.dsheirer.source.tuner.signalhound.SignalHoundTunerConfiguration;
+import io.github.dsheirer.source.tuner.signalhound.SignalHoundTunerController;
+import io.github.dsheirer.source.tuner.signalhound.SignalHoundTunerEditor;
 import io.github.dsheirer.source.tuner.ui.TunerEditor;
 import java.util.ArrayList;
 import java.util.List;
@@ -276,6 +282,20 @@ public class TunerFactory
         }
     }
 
+    /**
+     * Creates a Signal Hound tuner
+     * @param descriptor of the device from the Signal Hound API device list
+     * @param channelizerType for the tuner
+     * @param tunerErrorListener to listen for errors from the tuner
+     * @return tuner
+     */
+    public static SignalHoundTuner getSignalHoundTuner(DeviceDescriptor descriptor, ChannelizerType channelizerType,
+                                                       ITunerErrorListener tunerErrorListener)
+    {
+        return new SignalHoundTuner(new SignalHoundTunerController(descriptor, tunerErrorListener), tunerErrorListener,
+                channelizerType);
+    }
+
     /**
      * Create a USB tuner
      * @param tunerClass to instantiate
@@ -380,6 +400,8 @@ public class TunerFactory
                 return new RspDuoTuner2Configuration(uniqueID);
             case RSP_DX:
                 return new RspDxTunerConfiguration(uniqueID);
+            case SIGNAL_HOUND:
+                return new SignalHoundTunerConfiguration(uniqueID);
             default:
                 throw new IllegalArgumentException("Unrecognized tuner type [" + type.name() + "]");
         }
@@ -448,6 +470,13 @@ public class TunerFactory
                         discoveredTuner.getClass());
             case RECORDING_TUNER:
                 return new RecordingTunerEditor(userPreferences, tunerManager, discoveredTuner);
+            case SIGNAL_HOUND:
+                if(discoveredTuner instanceof DiscoveredSignalHoundTuner discoveredSignalHoundTuner)
+                {
+                    return new SignalHoundTunerEditor(userPreferences, tunerManager, discoveredSignalHoundTuner);
+                }
+                throw new IllegalArgumentException("Unrecognized discovered Signal Hound tuner class: " +
+                        discoveredTuner.getClass());
             case RTL2832:
                 if(discoveredTuner.hasTuner())
                 {

src/main/java/io/github/dsheirer/source/tuner/TunerType.java

@@ -49,6 +49,7 @@ public enum TunerType
     RSP_DUO_1("RSPduo Tuner 1"),
     RSP_DUO_2("RSPduo Tuner 2"),
     RSP_DX("RSPdx"),
+    SIGNAL_HOUND("Signal Hound"),
 
     TEST("Test"),
     RECORDING("Recording"),

src/main/java/io/github/dsheirer/source/tuner/configuration/TunerConfiguration.java

@@ -40,6 +40,7 @@ import io.github.dsheirer.source.tuner.rtl.fc2580.FC2580TunerConfiguration;
 import io.github.dsheirer.source.tuner.rtl.r8x.r820t.R820TTunerConfiguration;
 import io.github.dsheirer.source.tuner.rtl.r8x.r828d.R828DTunerConfiguration;
 import io.github.dsheirer.source.tuner.sdrplay.RspTunerConfiguration;
+import io.github.dsheirer.source.tuner.signalhound.SignalHoundTunerConfiguration;
 
 /**
  * Abstract class to hold a configuration for a specific type of tuner
@@ -62,6 +63,7 @@ import io.github.dsheirer.source.tuner.sdrplay.RspTunerConfiguration;
         @JsonSubTypes.Type(value = R820TTunerConfiguration.class, name = "r820TTunerConfiguration"),
         @JsonSubTypes.Type(value = R828DTunerConfiguration.class, name = "r828DTunerConfiguration"),
         @JsonSubTypes.Type(value = RspTunerConfiguration.class, name = "rspTunerConfiguration"),
+        @JsonSubTypes.Type(value = SignalHoundTunerConfiguration.class, name = "signalHoundTunerConfiguration"),
 })
 @JacksonXmlRootElement(localName = "tuner_configuration")
 public abstract class TunerConfiguration

src/main/java/io/github/dsheirer/source/tuner/manager/TunerManager.java

@@ -32,6 +32,10 @@ import io.github.dsheirer.preference.source.ChannelizerType;
 import io.github.dsheirer.sdrplay.DeviceInfo;
 import io.github.dsheirer.sdrplay.SDRplay;
 import io.github.dsheirer.sdrplay.SDRplayException;
+import io.github.dsheirer.signalhound.DeviceDescriptor;
+import io.github.dsheirer.signalhound.SignalHound;
+import io.github.dsheirer.signalhound.SignalHoundApi;
+import io.github.dsheirer.signalhound.SignalHoundException;
 import io.github.dsheirer.source.Source;
 import io.github.dsheirer.source.SourceException;
 import io.github.dsheirer.source.config.SourceConfigTuner;
@@ -50,6 +54,7 @@ import io.github.dsheirer.source.tuner.configuration.TunerConfigurationManager;
 import io.github.dsheirer.source.tuner.recording.RecordingTunerConfiguration;
 import io.github.dsheirer.source.tuner.sdrplay.DiscoveredRspTuner;
 import io.github.dsheirer.source.tuner.sdrplay.rspDuo.DiscoveredRspDuoTuner1;
+import io.github.dsheirer.source.tuner.signalhound.DiscoveredSignalHoundTuner;
 import io.github.dsheirer.source.tuner.ui.DiscoveredTunerModel;
 import io.github.dsheirer.util.ThreadPool;
 import java.util.ArrayList;
@@ -136,6 +141,8 @@ public class TunerManager implements IDiscoveredTunerStatusListener
             discoverSdrPlayTuners();
         }
 
+        //The Signal Hound API libraries link their own libusb (and FTDI library for the BB60), so they don't need jlibusb
+        discoverSignalHoundTuners();
         discoverRecordingTuners();
     }
 
@@ -390,6 +397,57 @@ public class TunerManager implements IDiscoveredTunerStatusListener
         }
     }
 
+    /**
+     * Discover Signal Hound tuners (BB60, SM200/SM435 and SP145) with each of the Signal Hound API libraries that is
+     * installed.  The libraries are from the Signal Hound SDK and are installed separately.  Networked (10GbE) SM
+     * devices aren't discovered.
+     */
+    private void discoverSignalHoundTuners()
+    {
+        ChannelizerType channelizerType = mUserPreferences.getTunerPreference().getChannelizerType();
+        List<String> notInstalled = new ArrayList<>();
+
+        for(SignalHoundApi api : SignalHoundApi.values())
+        {
+            try
+            {
+                if(!api.isAvailable())
+                {
+                    notInstalled.add(api.libraryName());
+                    mLog.debug("Signal Hound " + api.libraryName() + " library not loaded - " +
+                            api.loadFailure().orElse("unknown reason"));
+                    continue;
+                }
+
+                mLog.info("Signal Hound " + api.libraryName() + " version [" + api.version() + "] loaded from [" +
+                        api.location().orElse("unknown") + "]");
+
+                List<DeviceDescriptor> devices = SignalHound.devices(api);
+                mLog.info("Discovered [" + devices.size() + "] Signal Hound " + api.description() + " devices");
+
+                for(DeviceDescriptor device : devices)
+                {
+                    DiscoveredSignalHoundTuner tuner = new DiscoveredSignalHoundTuner(device, channelizerType);
+
+                    if(mDiscoveredTunerModel.getDiscoveredTuner(tuner.getId()) == null)
+                    {
+                        startAndConfigureTuner(tuner);
+                    }
+                }
+            }
+            catch(SignalHoundException | RuntimeException | LinkageError e)
+            {
+                mLog.error("Unable to discover Signal Hound " + api.description() + " devices - " + e.getMessage());
+            }
+        }
+
+        if(!notInstalled.isEmpty())
+        {
+            mLog.info("Signal Hound API libraries not installed " + notInstalled + " - Signal Hound tuners for these " +
+                    "libraries are not available");
+        }
+    }
+
     /**
      * Closes the SDRplay API discovery session.
      */

src/main/java/io/github/dsheirer/source/tuner/signalhound/DiscoveredSignalHoundTuner.java

@@ -0,0 +1,114 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.source.tuner.signalhound;
+
+import io.github.dsheirer.preference.source.ChannelizerType;
+import io.github.dsheirer.signalhound.DeviceDescriptor;
+import io.github.dsheirer.source.tuner.TunerClass;
+import io.github.dsheirer.source.tuner.TunerFactory;
+import io.github.dsheirer.source.tuner.manager.DiscoveredTuner;
+
+/**
+ * Signal Hound tuner discovered from the device list of a Signal Hound API.
+ */
+public class DiscoveredSignalHoundTuner extends DiscoveredTuner
+{
+    private final DeviceDescriptor mDescriptor;
+    private final ChannelizerType mChannelizerType;
+
+    /**
+     * Constructs an instance
+     * @param descriptor of the device, from the Signal Hound API device list
+     * @param channelizerType to use for the tuner
+     */
+    public DiscoveredSignalHoundTuner(DeviceDescriptor descriptor, ChannelizerType channelizerType)
+    {
+        mDescriptor = descriptor;
+        mChannelizerType = channelizerType;
+    }
+
+    /**
+     * Descriptor of the device
+     */
+    public DeviceDescriptor getDescriptor()
+    {
+        return mDescriptor;
+    }
+
+    /**
+     * Device family
+     */
+    public SignalHoundFamily getFamily()
+    {
+        return SignalHoundFamily.of(mDescriptor.api());
+    }
+
+    @Override
+    public TunerClass getTunerClass()
+    {
+        return TunerClass.SIGNAL_HOUND;
+    }
+
+    /**
+     * Constructs and starts the tuner
+     */
+    @Override
+    public void start()
+    {
+        if(isAvailable() && !hasTuner())
+        {
+            mTuner = TunerFactory.getSignalHoundTuner(mDescriptor, mChannelizerType, this);
+
+            try
+            {
+                mTuner.start();
+            }
+            catch(Exception se)
+            {
+                setErrorMessage("Error starting tuner [" + getId() + "] - " + se.getMessage());
+                mTuner = null;
+            }
+        }
+    }
+
+    /**
+     * Tuner ID, which identifies the tuner configuration.  The family is used instead of the model, since the APIs
+     * don't always report the model before the device is opened, and the ID must be the same each time.
+     */
+    @Override
+    public String getId()
+    {
+        return getId(mDescriptor);
+    }
+
+    /**
+     * Tuner ID of a device.
+     */
+    public static String getId(DeviceDescriptor descriptor)
+    {
+        return "Signal Hound " + SignalHoundFamily.of(descriptor.api()) + " SER#" + descriptor.serialNumber();
+    }
+
+    @Override
+    public String toString()
+    {
+        return getId();
+    }
+}

src/main/java/io/github/dsheirer/source/tuner/signalhound/SignalHoundDeviceInformation.java

@@ -0,0 +1,34 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.source.tuner.signalhound;
+
+/**
+ * Signal Hound device details for display.
+ * @param model such as BB60D, SM200B or SP145
+ * @param serial number
+ * @param firmware version
+ * @param library name of the Signal Hound API library, such as bb_api
+ * @param libraryVersion of the Signal Hound API library
+ * @param libraryLocation where the Signal Hound API library was loaded from
+ */
+public record SignalHoundDeviceInformation(String model, int serial, String firmware, String library,
+                                           String libraryVersion, String libraryLocation)
+{
+}

src/main/java/io/github/dsheirer/source/tuner/signalhound/SignalHoundFamily.java

@@ -0,0 +1,180 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.source.tuner.signalhound;
+
+import io.github.dsheirer.signalhound.SignalHoundApi;
+import java.util.Locale;
+
+/**
+ * Signal Hound device families, one for each Signal Hound API, with the limits and front-end controls of each family
+ * from the SDK headers (bb_api.h, sm_api.h and sp_api.h).
+ *
+ * The family names are used in tuner IDs, which persist the tuner configurations, so they must not change.
+ */
+public enum SignalHoundFamily
+{
+    /**
+     * BB60A, BB60C and BB60D.  Gain (0-3) and attenuation (0-30 dB in 10 dB steps) are automatic unless both are set.
+     */
+    BB60(SignalHoundApi.BB, "BB60", 40_000_000, 9_000L, 6_400_000_000L, 3, 10, true, false),
+
+    /**
+     * SM200A/B/C and SM435B/C.  Attenuation 0-30 dB in 5 dB steps, and an RF preselector up to 645 MHz.
+     */
+    SM(SignalHoundApi.SM, "SM", 50_000_000, 100_000L, 20_600_000_000L, 6, 5, false, true),
+
+    /**
+     * SP145A and SP145B.  Attenuation 0-30 dB in 5 dB steps, and an RF preselector on the SP145B up to 520 MHz.
+     */
+    SP145(SignalHoundApi.SP, "SP145", 61_440_000, 9_000L, 15_000_000_000L, 6, 5, false, true);
+
+    //SM435 models tune higher than the SM200
+    private static final long SM435_MAXIMUM_FREQUENCY = 44_200_000_000L;
+
+    private final SignalHoundApi mApi;
+    private final String mLabel;
+    private final int mBaseSampleRate;
+    private final long mMinimumFrequency;
+    private final long mMaximumFrequency;
+    private final int mMaximumAttenuation;
+    private final int mAttenuationStepDb;
+    private final boolean mHasGain;
+    private final boolean mHasPreselector;
+
+    SignalHoundFamily(SignalHoundApi api, String label, int baseSampleRate, long minimumFrequency,
+                      long maximumFrequency, int maximumAttenuation, int attenuationStepDb, boolean hasGain,
+                      boolean hasPreselector)
+    {
+        mApi = api;
+        mLabel = label;
+        mBaseSampleRate = baseSampleRate;
+        mMinimumFrequency = minimumFrequency;
+        mMaximumFrequency = maximumFrequency;
+        mMaximumAttenuation = maximumAttenuation;
+        mAttenuationStepDb = attenuationStepDb;
+        mHasGain = hasGain;
+        mHasPreselector = hasPreselector;
+    }
+
+    /**
+     * Family of the devices that an API drives.
+     */
+    public static SignalHoundFamily of(SignalHoundApi api)
+    {
+        return switch(api)
+        {
+            case BB -> BB60;
+            case SM -> SM;
+            case SP -> SP145;
+        };
+    }
+
+    /**
+     * API that drives the family.
+     */
+    public SignalHoundApi getApi()
+    {
+        return mApi;
+    }
+
+    /**
+     * I/Q sample rate before decimation, in Hertz.
+     */
+    public int getBaseSampleRate()
+    {
+        return mBaseSampleRate;
+    }
+
+    /**
+     * Lowest tunable frequency, in Hertz.
+     */
+    public long getMinimumFrequency()
+    {
+        return mMinimumFrequency;
+    }
+
+    /**
+     * Highest tunable frequency of the family's default model, in Hertz.
+     */
+    public long getMaximumFrequency()
+    {
+        return mMaximumFrequency;
+    }
+
+    /**
+     * Highest tunable frequency of a model, in Hertz.
+     * @param model as reported by the device, such as SM435B
+     */
+    public long getMaximumFrequency(String model)
+    {
+        if(this == SM && model != null && model.toUpperCase(Locale.ROOT).startsWith("SM435"))
+        {
+            return SM435_MAXIMUM_FREQUENCY;
+        }
+
+        return mMaximumFrequency;
+    }
+
+    /**
+     * Highest attenuator setting, where each setting is {@link #getAttenuationStepDb()} dB.
+     */
+    public int getMaximumAttenuation()
+    {
+        return mMaximumAttenuation;
+    }
+
+    /**
+     * Attenuation in dB of each attenuator setting.
+     */
+    public int getAttenuationStepDb()
+    {
+        return mAttenuationStepDb;
+    }
+
+    /**
+     * Indicates if the family has a manual gain setting, in addition to the attenuator.
+     */
+    public boolean hasGain()
+    {
+        return mHasGain;
+    }
+
+    /**
+     * Highest gain setting, for families that have one.
+     */
+    public int getMaximumGain()
+    {
+        return mHasGain ? 3 : 0;
+    }
+
+    /**
+     * Indicates if devices of the family can have an RF preselector.  For the SP145, only the SP145B has one.
+     */
+    public boolean hasPreselector()
+    {
+        return mHasPreselector;
+    }
+
+    @Override
+    public String toString()
+    {
+        return mLabel;
+    }
+}

src/main/java/io/github/dsheirer/source/tuner/signalhound/SignalHoundSampleRate.java

@@ -0,0 +1,86 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.source.tuner.signalhound;
+
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Signal Hound I/Q sample rate: the family's base sample rate divided by a power of two decimation.
+ * @param decimation power of two
+ * @param rate in Hertz
+ */
+public record SignalHoundSampleRate(int decimation, int rate)
+{
+    //Decimations offered to the user.  Higher decimations are supported by the APIs, but the sample rates are below
+    //what is useful for channelizing (600-780 kHz at the highest decimation offered here).
+    public static final int MAXIMUM_DECIMATION = 64;
+    public static final int DEFAULT_RATE = 10_000_000;
+    private static final DecimalFormat FORMAT = new DecimalFormat("0.00###");
+
+    /**
+     * Sample rates of a family, highest rate first.  Every rate is an integer number of Hertz.
+     */
+    public static List<SignalHoundSampleRate> getRates(SignalHoundFamily family)
+    {
+        List<SignalHoundSampleRate> rates = new ArrayList<>();
+
+        for(int decimation = 1; decimation <= MAXIMUM_DECIMATION; decimation *= 2)
+        {
+            rates.add(new SignalHoundSampleRate(decimation, family.getBaseSampleRate() / decimation));
+        }
+
+        return rates;
+    }
+
+    /**
+     * Finds the highest rate that doesn't exceed the requested rate.
+     * @param rates to search
+     * @param requested rate in Hertz
+     * @return closest rate, or the lowest rate when the requested rate is below all of them
+     */
+    public static SignalHoundSampleRate getClosest(List<SignalHoundSampleRate> rates, int requested)
+    {
+        SignalHoundSampleRate closest = null;
+        SignalHoundSampleRate lowest = null;
+
+        for(SignalHoundSampleRate rate : rates)
+        {
+            if(rate.rate() <= requested && (closest == null || rate.rate() > closest.rate()))
+            {
+                closest = rate;
+            }
+
+            if(lowest == null || rate.rate() < lowest.rate())
+            {
+                lowest = rate;
+            }
+        }
+
+        return closest != null ? closest : lowest;
+    }
+
+    @Override
+    public String toString()
+    {
+        return FORMAT.format(rate / 1E6) + " MHz";
+    }
+}

src/main/java/io/github/dsheirer/source/tuner/signalhound/SignalHoundTuner.java

@@ -0,0 +1,88 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.source.tuner.signalhound;
+
+import io.github.dsheirer.preference.source.ChannelizerType;
+import io.github.dsheirer.source.tuner.ITunerErrorListener;
+import io.github.dsheirer.source.tuner.Tuner;
+import io.github.dsheirer.source.tuner.TunerClass;
+
+/**
+ * Signal Hound tuner: BB60, SM200/SM435 or SP145
+ */
+public class SignalHoundTuner extends Tuner
+{
+    //The BB60 and SM200 have 14-bit ADCs.  The samples are floats after the API's corrections and filtering.
+    private static final double SAMPLE_SIZE_14_BIT = 14.0;
+    //The API transfers 16-bit I and Q samples from the device (32 bits per complex sample)
+    private static final int LINK_BITS_PER_SAMPLE = 32;
+
+    /**
+     * Constructs an instance
+     * @param controller for the Signal Hound device
+     * @param tunerErrorListener to listen for errors from this tuner
+     * @param channelizerType for the channelizer
+     */
+    public SignalHoundTuner(SignalHoundTunerController controller, ITunerErrorListener tunerErrorListener,
+                            ChannelizerType channelizerType)
+    {
+        super(controller, tunerErrorListener, channelizerType);
+    }
+
+    /**
+     * Signal Hound tuner controller
+     */
+    public SignalHoundTunerController getController()
+    {
+        return (SignalHoundTunerController)getTunerController();
+    }
+
+    @Override
+    public String getPreferredName()
+    {
+        SignalHoundDeviceInformation info = getController().getDeviceInfo();
+        String model = info != null ? info.model() : getController().getFamily().toString();
+        return "Signal Hound " + model + " " + getUniqueID();
+    }
+
+    @Override
+    public String getUniqueID()
+    {
+        return Integer.toString(getController().getDescriptor().serialNumber());
+    }
+
+    @Override
+    public TunerClass getTunerClass()
+    {
+        return TunerClass.SIGNAL_HOUND;
+    }
+
+    @Override
+    public double getSampleSize()
+    {
+        return SAMPLE_SIZE_14_BIT;
+    }
+
+    @Override
+    public int getMaximumUSBBitsPerSecond()
+    {
+        return getController().getFamily().getBaseSampleRate() * LINK_BITS_PER_SAMPLE;
+    }
+}

src/main/java/io/github/dsheirer/source/tuner/signalhound/SignalHoundTunerConfiguration.java

@@ -0,0 +1,131 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.source.tuner.signalhound;
+
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
+import io.github.dsheirer.source.tuner.TunerType;
+import io.github.dsheirer.source.tuner.configuration.TunerConfiguration;
+
+/**
+ * Signal Hound tuner configuration, for devices of all Signal Hound families.
+ */
+public class SignalHoundTunerConfiguration extends TunerConfiguration
+{
+    private int mSampleRate = SignalHoundSampleRate.DEFAULT_RATE;
+    private int mReferenceLevel = SignalHoundTunerController.REFERENCE_LEVEL_DEFAULT;
+    private int mAttenuation = SignalHoundTunerController.AUTOMATIC;
+    private int mGain = SignalHoundTunerController.AUTOMATIC;
+    private boolean mPreselector = false;
+
+    /**
+     * Default constructor for Jackson
+     */
+    public SignalHoundTunerConfiguration()
+    {
+        super(SignalHoundTunerController.MINIMUM_TUNABLE_FREQUENCY_HZ,
+                SignalHoundTunerController.MAXIMUM_TUNABLE_FREQUENCY_HZ);
+    }
+
+    /**
+     * Constructs an instance
+     * @param uniqueID for the tuner
+     */
+    public SignalHoundTunerConfiguration(String uniqueID)
+    {
+        super(uniqueID);
+    }
+
+    @Override
+    @JacksonXmlProperty(isAttribute = true, localName = "type", namespace = "http://www.w3.org/2001/XMLSchema-instance")
+    public TunerType getTunerType()
+    {
+        return TunerType.SIGNAL_HOUND;
+    }
+
+    /**
+     * Sample rate in Hertz
+     */
+    @JacksonXmlProperty(isAttribute = true, localName = "sample_rate")
+    public int getSampleRate()
+    {
+        return mSampleRate;
+    }
+
+    public void setSampleRate(int sampleRate)
+    {
+        mSampleRate = sampleRate;
+    }
+
+    /**
+     * Reference level in dBm: the strongest expected input level, which sets the gain and attenuation automatically.
+     */
+    @JacksonXmlProperty(isAttribute = true, localName = "reference_level")
+    public int getReferenceLevel()
+    {
+        return mReferenceLevel;
+    }
+
+    public void setReferenceLevel(int referenceLevel)
+    {
+        mReferenceLevel = referenceLevel;
+    }
+
+    /**
+     * Attenuator setting, or -1 for automatic.  The step size depends on the device family.
+     */
+    @JacksonXmlProperty(isAttribute = true, localName = "attenuation")
+    public int getAttenuation()
+    {
+        return mAttenuation;
+    }
+
+    public void setAttenuation(int attenuation)
+    {
+        mAttenuation = attenuation;
+    }
+
+    /**
+     * Gain setting (BB60 only), or -1 for automatic.
+     */
+    @JacksonXmlProperty(isAttribute = true, localName = "gain")
+    public int getGain()
+    {
+        return mGain;
+    }
+
+    public void setGain(int gain)
+    {
+        mGain = gain;
+    }
+
+    /**
+     * RF preselector (SM200/SM435 and SP145B) enabled.
+     */
+    @JacksonXmlProperty(isAttribute = true, localName = "preselector")
+    public boolean isPreselector()
+    {
+        return mPreselector;
+    }
+
+    public void setPreselector(boolean preselector)
+    {
+        mPreselector = preselector;
+    }
+}

src/main/java/io/github/dsheirer/source/tuner/signalhound/SignalHoundTunerEditor.java

@@ -0,0 +1,534 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.source.tuner.signalhound;
+
+import io.github.dsheirer.preference.UserPreferences;
+import io.github.dsheirer.signalhound.Diagnostics;
+import io.github.dsheirer.source.tuner.manager.DiscoveredTuner;
+import io.github.dsheirer.source.tuner.manager.TunerManager;
+import io.github.dsheirer.source.tuner.manager.TunerStatus;
+import io.github.dsheirer.source.tuner.ui.TunerEditor;
+import java.io.Serial;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import net.miginfocom.swing.MigLayout;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.swing.DefaultComboBoxModel;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JSeparator;
+import javax.swing.JSlider;
+import javax.swing.SpinnerNumberModel;
+
+/**
+ * Signal Hound tuner editor
+ */
+public class SignalHoundTunerEditor extends TunerEditor<SignalHoundTuner, SignalHoundTunerConfiguration>
+{
+    @Serial
+    private static final long serialVersionUID = 1L;
+    private static final Logger mLog = LoggerFactory.getLogger(SignalHoundTunerEditor.class);
+    private final SignalHoundFamily mFamily;
+    private JButton mTunerInfoButton;
+    private JComboBox<SignalHoundSampleRate> mSampleRateCombo;
+    private JSlider mReferenceLevelSlider;
+    private JLabel mReferenceLevelValueLabel;
+    private JComboBox<Setting> mAttenuationCombo;
+    private JComboBox<Setting> mGainCombo;
+    private JCheckBox mPreselectorCheckBox;
+
+    /**
+     * Constructs an instance
+     * @param userPreferences for wide-band recordings
+     * @param tunerManager for saving tuner configuration
+     * @param discoveredTuner for the optionally usable Signal Hound tuner and controller
+     */
+    public SignalHoundTunerEditor(UserPreferences userPreferences, TunerManager tunerManager,
+                                  DiscoveredSignalHoundTuner discoveredTuner)
+    {
+        super(userPreferences, tunerManager, discoveredTuner);
+        mFamily = discoveredTuner.getFamily();
+        init();
+        tunerStatusUpdated();
+    }
+
+    @Override
+    public long getMinimumTunableFrequency()
+    {
+        return hasTuner() ? getTuner().getController().getMinimumTunableFrequency() :
+                SignalHoundTunerController.MINIMUM_TUNABLE_FREQUENCY_HZ;
+    }
+
+    @Override
+    public long getMaximumTunableFrequency()
+    {
+        return hasTuner() ? getTuner().getController().getMaximumTunableFrequency() :
+                SignalHoundTunerController.MAXIMUM_TUNABLE_FREQUENCY_HZ;
+    }
+
+    private void init()
+    {
+        setLayout(new MigLayout("fill,wrap 3", "[right][grow,fill][fill]", "[][][][][][][][][][][][grow]"));
+
+        add(new JLabel("Tuner:"));
+        add(getTunerIdLabel());
+        add(getTunerInfoButton());
+
+        add(new JLabel("Status:"));
+        add(getTunerStatusLabel(), "wrap");
+
+        add(getButtonPanel(), "span,align left");
+
+        add(new JSeparator(), "span,growx");
+
+        add(new JLabel("Frequency (MHz):"));
+        add(getFrequencyPanel(), "wrap");
+
+        add(new JLabel("Sample Rate:"));
+        add(getSampleRateCombo(), "wrap");
+
+        add(new JSeparator(), "span,growx");
+
+        add(new JLabel("Reference Level:"));
+        add(getReferenceLevelSlider());
+        add(getReferenceLevelValueLabel());
+
+        add(new JLabel("Attenuation:"));
+        add(getAttenuationCombo(), "wrap");
+
+        if(mFamily.hasGain())
+        {
+            add(new JLabel("Gain:"));
+            add(getGainCombo(), "wrap");
+        }
+
+        if(mFamily.hasPreselector())
+        {
+            add(new JLabel(""));
+            add(getPreselectorCheckBox(), "wrap");
+        }
+
+        //Empty row that takes all extra vertical space so that the controls stay stacked at the top of the editor.
+        add(new JLabel(), "span,pushy");
+    }
+
+    @Override
+    protected void tunerStatusUpdated()
+    {
+        setLoading(true);
+
+        boolean started = hasStartedTuner();
+        getTunerIdLabel().setText(started ? getTuner().getPreferredName() : getDiscoveredTuner().getId());
+
+        String status = getDiscoveredTuner().getTunerStatus().toString();
+        if(getDiscoveredTuner().hasErrorMessage())
+        {
+            status += " - " + getDiscoveredTuner().getErrorMessage();
+        }
+        getTunerStatusLabel().setText(status);
+        getButtonPanel().updateControls();
+        getFrequencyPanel().updateControls();
+        getTunerInfoButton().setEnabled(started);
+
+        if(started)
+        {
+            SignalHoundTunerController controller = getTuner().getController();
+            List<SignalHoundSampleRate> rates = controller.getSampleRates();
+            getSampleRateCombo().setModel(new DefaultComboBoxModel<>(rates.toArray(new SignalHoundSampleRate[0])));
+            getSampleRateCombo().setSelectedItem(controller.getSignalHoundSampleRate());
+            getSampleRateCombo().setEnabled(!controller.isLockedSampleRate());
+
+            getReferenceLevelSlider().setValue(controller.getReferenceLevel());
+            getReferenceLevelSlider().setEnabled(true);
+            getReferenceLevelValueLabel().setEnabled(true);
+
+            getAttenuationCombo().setSelectedItem(new Setting(controller.getAttenuation(), null));
+            getAttenuationCombo().setEnabled(true);
+
+            if(mFamily.hasGain())
+            {
+                getGainCombo().setSelectedItem(new Setting(controller.getGain(), null));
+                getGainCombo().setEnabled(true);
+            }
+
+            if(mFamily.hasPreselector())
+            {
+                getPreselectorCheckBox().setSelected(controller.isPreselector());
+                getPreselectorCheckBox().setEnabled(controller.isPreselectorSupported());
+            }
+        }
+        else
+        {
+            getSampleRateCombo().setModel(new DefaultComboBoxModel<>());
+            getSampleRateCombo().setEnabled(false);
+            getReferenceLevelSlider().setEnabled(false);
+            getReferenceLevelValueLabel().setEnabled(false);
+            getAttenuationCombo().setEnabled(false);
+
+            if(mFamily.hasGain())
+            {
+                getGainCombo().setEnabled(false);
+            }
+
+            if(mFamily.hasPreselector())
+            {
+                getPreselectorCheckBox().setEnabled(false);
+            }
+        }
+
+        updateReferenceLevelLabel();
+        setLoading(false);
+    }
+
+    /**
+     * Indicates if the tuner has finished starting, since a status update can arrive while it's starting or restarting.
+     */
+    private boolean hasStartedTuner()
+    {
+        return hasTuner() && getTuner().getController().getSignalHoundSampleRate() != null;
+    }
+
+    private void updateReferenceLevelLabel()
+    {
+        getReferenceLevelValueLabel().setText(getReferenceLevelSlider().getValue() + " dBm");
+    }
+
+    /**
+     * Button that provides tuner information
+     */
+    private JButton getTunerInfoButton()
+    {
+        if(mTunerInfoButton == null)
+        {
+            mTunerInfoButton = new JButton("Info");
+            mTunerInfoButton.setEnabled(false);
+            mTunerInfoButton.addActionListener(_ -> JOptionPane.showMessageDialog(SignalHoundTunerEditor.this,
+                    getTunerInfo(), "Tuner Info", JOptionPane.INFORMATION_MESSAGE));
+        }
+
+        return mTunerInfoButton;
+    }
+
+    private JComboBox<SignalHoundSampleRate> getSampleRateCombo()
+    {
+        if(mSampleRateCombo == null)
+        {
+            mSampleRateCombo = new JComboBox<>();
+            mSampleRateCombo.setEnabled(false);
+            mSampleRateCombo.addActionListener(_ ->
+            {
+                if(hasTuner() && !isLoading())
+                {
+                    SignalHoundSampleRate rate = (SignalHoundSampleRate)mSampleRateCombo.getSelectedItem();
+
+                    try
+                    {
+                        getTuner().getController().setSampleRate(rate);
+
+                        //Adjust the min/max values for the sample rate.
+                        adjustForSampleRate(rate.rate());
+
+                        save();
+                    }
+                    catch(Exception e1)
+                    {
+                        mLog.error("Error setting Signal Hound sample rate", e1);
+                        JOptionPane.showMessageDialog(SignalHoundTunerEditor.this, "Couldn't set sample rate to " +
+                                rate + " - " + e1.getMessage());
+                    }
+                }
+            });
+        }
+
+        return mSampleRateCombo;
+    }
+
+    private JSlider getReferenceLevelSlider()
+    {
+        if(mReferenceLevelSlider == null)
+        {
+            mReferenceLevelSlider = new JSlider(JSlider.HORIZONTAL, SignalHoundTunerController.REFERENCE_LEVEL_MINIMUM,
+                    SignalHoundTunerController.REFERENCE_LEVEL_MAXIMUM,
+                    SignalHoundTunerController.REFERENCE_LEVEL_DEFAULT);
+            mReferenceLevelSlider.setEnabled(false);
+            mReferenceLevelSlider.setMajorTickSpacing(10);
+            mReferenceLevelSlider.setPaintTicks(true);
+            mReferenceLevelSlider.setToolTipText("Strongest expected input level.  Lower values increase the gain.  " +
+                    "Raise it when the log reports ADC overflow warnings.");
+            mReferenceLevelSlider.addChangeListener(_ ->
+            {
+                updateReferenceLevelLabel();
+
+                //Reconfigure the stream once the user releases the slider, since each change restarts the stream
+                if(hasTuner() && !isLoading() && !mReferenceLevelSlider.getValueIsAdjusting())
+                {
+                    int referenceLevel = mReferenceLevelSlider.getValue();
+
+                    try
+                    {
+                        getTuner().getController().setReferenceLevel(referenceLevel);
+                        save();
+                    }
+                    catch(Exception e)
+                    {
+                        mLog.error("Couldn't set Signal Hound reference level to:" + referenceLevel, e);
+                        JOptionPane.showMessageDialog(mReferenceLevelSlider, "Couldn't set reference level to " +
+                                referenceLevel + " dBm");
+                    }
+                }
+            });
+        }
+
+        return mReferenceLevelSlider;
+    }
+
+    private JLabel getReferenceLevelValueLabel()
+    {
+        if(mReferenceLevelValueLabel == null)
+        {
+            mReferenceLevelValueLabel = new JLabel("0 dBm");
+            mReferenceLevelValueLabel.setEnabled(false);
+        }
+
+        return mReferenceLevelValueLabel;
+    }
+
+    private JComboBox<Setting> getAttenuationCombo()
+    {
+        if(mAttenuationCombo == null)
+        {
+            List<Setting> settings = new ArrayList<>();
+            settings.add(new Setting(SignalHoundTunerController.AUTOMATIC, "Automatic (Reference Level)"));
+
+            for(int x = 0; x <= mFamily.getMaximumAttenuation(); x++)
+            {
+                settings.add(new Setting(x, (x * mFamily.getAttenuationStepDb()) + " dB"));
+            }
+
+            mAttenuationCombo = new JComboBox<>(settings.toArray(new Setting[0]));
+            mAttenuationCombo.setEnabled(false);
+            mAttenuationCombo.setToolTipText(mFamily.hasGain() ? "The BB60 uses manual attenuation only when the " +
+                    "gain is also manual" : "Input attenuation, or automatic to set it from the reference level");
+            mAttenuationCombo.addActionListener(_ ->
+            {
+                if(hasTuner() && !isLoading() && mAttenuationCombo.getSelectedItem() instanceof Setting setting)
+                {
+                    try
+                    {
+                        getTuner().getController().setAttenuation(setting.value());
+                        save();
+                    }
+                    catch(Exception e)
+                    {
+                        mLog.error("Couldn't set Signal Hound attenuation to:" + setting, e);
+                        JOptionPane.showMessageDialog(mAttenuationCombo, "Couldn't set attenuation to " + setting);
+                    }
+                }
+            });
+        }
+
+        return mAttenuationCombo;
+    }
+
+    private JComboBox<Setting> getGainCombo()
+    {
+        if(mGainCombo == null)
+        {
+            List<Setting> settings = new ArrayList<>();
+            settings.add(new Setting(SignalHoundTunerController.AUTOMATIC, "Automatic (Reference Level)"));
+
+            for(int x = 0; x <= mFamily.getMaximumGain(); x++)
+            {
+                settings.add(new Setting(x, Integer.toString(x)));
+            }
+
+            mGainCombo = new JComboBox<>(settings.toArray(new Setting[0]));
+            mGainCombo.setEnabled(false);
+            mGainCombo.setToolTipText("The BB60 uses manual gain only when the attenuation is also manual");
+            mGainCombo.addActionListener(_ ->
+            {
+                if(hasTuner() && !isLoading() && mGainCombo.getSelectedItem() instanceof Setting setting)
+                {
+                    try
+                    {
+                        getTuner().getController().setGain(setting.value());
+                        save();
+                    }
+                    catch(Exception e)
+                    {
+                        mLog.error("Couldn't set Signal Hound gain to:" + setting, e);
+                        JOptionPane.showMessageDialog(mGainCombo, "Couldn't set gain to " + setting);
+                    }
+                }
+            });
+        }
+
+        return mGainCombo;
+    }
+
+    private JCheckBox getPreselectorCheckBox()
+    {
+        if(mPreselectorCheckBox == null)
+        {
+            mPreselectorCheckBox = new JCheckBox("RF Preselector");
+            mPreselectorCheckBox.setEnabled(false);
+            mPreselectorCheckBox.setToolTipText(mFamily == SignalHoundFamily.SM ?
+                    "Filters the input to reject strong out-of-band signals, up to 645 MHz" :
+                    "SP145B only: filters the input to reject strong out-of-band signals, up to 520 MHz");
+            mPreselectorCheckBox.addActionListener(_ ->
+            {
+                if(hasTuner() && !isLoading())
+                {
+                    boolean enabled = mPreselectorCheckBox.isSelected();
+
+                    try
+                    {
+                        getTuner().getController().setPreselector(enabled);
+                        save();
+                    }
+                    catch(Exception e)
+                    {
+                        mLog.error("Couldn't " + (enabled ? "enable" : "disable") + " Signal Hound preselector", e);
+                        JOptionPane.showMessageDialog(mPreselectorCheckBox, "Couldn't change preselector - " +
+                                e.getMessage());
+                    }
+                }
+            });
+        }
+
+        return mPreselectorCheckBox;
+    }
+
+    @Override
+    public void save()
+    {
+        if(hasConfiguration() && !isLoading())
+        {
+            getConfiguration().setFrequency(getFrequencyControl().getFrequency());
+            getConfiguration().setMinimumFrequency(getMinimumFrequencyTextField().getFrequency());
+            getConfiguration().setMaximumFrequency(getMaximumFrequencyTextField().getFrequency());
+            double value = ((SpinnerNumberModel)getFrequencyCorrectionSpinner().getModel()).getNumber().doubleValue();
+            getConfiguration().setFrequencyCorrection(value);
+            getConfiguration().setAutoPPMCorrectionEnabled(getAutoPPMCheckBox().isSelected());
+
+            if(getSampleRateCombo().getSelectedItem() instanceof SignalHoundSampleRate rate)
+            {
+                getConfiguration().setSampleRate(rate.rate());
+            }
+
+            getConfiguration().setReferenceLevel(getReferenceLevelSlider().getValue());
+
+            if(getAttenuationCombo().getSelectedItem() instanceof Setting setting)
+            {
+                getConfiguration().setAttenuation(setting.value());
+            }
+
+            if(mFamily.hasGain() && getGainCombo().getSelectedItem() instanceof Setting setting)
+            {
+                getConfiguration().setGain(setting.value());
+            }
+
+            if(mFamily.hasPreselector())
+            {
+                getConfiguration().setPreselector(getPreselectorCheckBox().isSelected());
+            }
+
+            saveConfiguration();
+        }
+    }
+
+    @Override
+    public void setTunerLockState(boolean locked)
+    {
+        getFrequencyPanel().updateControls();
+        getSampleRateCombo().setEnabled(!locked);
+        getSampleRateCombo().setToolTipText(locked ? "Sample Rate is locked.  Disable decoding channels to unlock." :
+                "Select a sample rate for the tuner");
+    }
+
+    private String getTunerInfo()
+    {
+        if(getDiscoveredTuner().getTunerStatus() == TunerStatus.ERROR)
+        {
+            return getDiscoveredTuner().getErrorMessage();
+        }
+
+        if(hasTuner())
+        {
+            SignalHoundDeviceInformation info = getTuner().getController().getDeviceInfo();
+            StringBuilder sb = new StringBuilder();
+            sb.append("<html><h3>Signal Hound Tuner</h3>");
+            sb.append("<b>Model: </b>").append(info.model()).append("<br>");
+            sb.append("<b>Serial: </b>").append(info.serial()).append("<br>");
+            sb.append("<b>Firmware: </b>").append(info.firmware()).append("<br>");
+            sb.append("<b>Library: </b>").append(info.library()).append(" ").append(info.libraryVersion()).append("<br>");
+            sb.append("<b>Location: </b>").append(info.libraryLocation()).append("<br>");
+
+            Diagnostics diagnostics = getTuner().getController().getDiagnostics();
+
+            if(diagnostics != null)
+            {
+                sb.append("<b>Temperature: </b>").append(String.format(Locale.ROOT, "%.1f C",
+                        diagnostics.temperature())).append("<br>");
+                sb.append("<b>Voltage: </b>").append(String.format(Locale.ROOT, "%.2f V",
+                        diagnostics.voltage())).append("<br>");
+                sb.append("<b>Current: </b>").append(String.format(Locale.ROOT, "%.3f A",
+                        diagnostics.current())).append("<br>");
+            }
+
+            return sb.toString();
+        }
+
+        return null;
+    }
+
+    /**
+     * Attenuation or gain combo box entry.  Entries are equal when their values are equal, so that the entry for a
+     * value can be selected with a new instance.
+     * @param value of the setting, or -1 for automatic
+     * @param label to display
+     */
+    record Setting(int value, String label)
+    {
+        @Override
+        public boolean equals(Object o)
+        {
+            return o instanceof Setting other && other.value == value;
+        }
+
+        @Override
+        public int hashCode()
+        {
+            return Integer.hashCode(value);
+        }
+
+        @Override
+        public String toString()
+        {
+            return label;
+        }
+    }
+}

src/test/java/io/github/dsheirer/dsp/c4fm/C4FMSymbolProcessorScoreTest.java

@@ -0,0 +1,50 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.dsp.c4fm;
+
+import io.github.dsheirer.module.decode.p25.phase1.P25P1SymbolProcessorC4FM;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+
+/**
+ * JUnit tests for the sync correlation score in the C4FM symbol processor.
+ */
+public class C4FMSymbolProcessorScoreTest
+{
+    /**
+     * A lagging sync detect on the first symbol after a buffer reload, followed by a coarse timing search that steps
+     * all the way left, scores a candidate whose first sync symbol starts just before the start of the buffer.
+     */
+    @Test
+    public void scoreBeforeBufferStart()
+    {
+        float samplesPerSymbol = 25000f / 4800f;
+        P25P1SymbolProcessorC4FM processor = new P25P1SymbolProcessorC4FM(null, null);
+        processor.setSamplesPerSymbol(samplesPerSymbol);
+        //Sync workspace, sized as in setSamplesPerSymbol(), plus a 1024 sample buffer
+        int syncWorkspaceLength = (int)Math.ceil((processor.mSyncDetector.getDibitLength() + 1) * samplesPerSymbol);
+        processor.mBuffer = new float[syncWorkspaceLength + 1024];
+
+        //Offset to the final sync symbol that puts the first sync symbol at buffer index -0.3
+        double offset = (processor.mSyncDetector.getDibitLength() - 1) * samplesPerSymbol - 0.3;
+        assertDoesNotThrow(() -> processor.score(offset, samplesPerSymbol));
+    }
+}

src/test/java/io/github/dsheirer/module/decode/dmr/message/voice/AMBEFrameValidatorTest.java

@@ -0,0 +1,178 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.voice;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.module.decode.dmr.sync.DMRSyncPattern;
+import java.util.List;
+import java.util.Random;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * Tests for AMBE voice frame error detection.
+ */
+public class AMBEFrameValidatorTest
+{
+    //Base station voice frame A burst from a recording where JMBE decodes all three voice frames with zero errors.
+    private static final String VOICE_BURST = "5A3AC4B9E881526173002A6BB9E881526755FD7DF75F7173002A6BB9E881526173002A6B";
+    //Burst bit indices of the first C0 bits (voice frame bits 0, 4, 8) and first C1 bit (voice frame bit 25) of
+    //frame 1, which starts at burst bit 24.
+    private static final int FRAME_1_C0_BIT_0 = 24;
+    private static final int FRAME_1_C0_BIT_1 = 28;
+    private static final int FRAME_1_C0_BIT_2 = 32;
+    private static final int FRAME_1_C1_BIT_0 = 49;
+
+    private static CorrectedBinaryMessage getBurst()
+    {
+        return CorrectedBinaryMessage.loadHex(VOICE_BURST);
+    }
+
+    @Test
+    void errorFreeBurst()
+    {
+        CorrectedBinaryMessage burst = getBurst();
+
+        for(int frame = 0; frame < 3; frame++)
+        {
+            assertEquals(0, AMBEFrameValidator.getErrorCount(burst, frame), "Frame " + frame);
+        }
+
+        assertTrue(AMBEFrameValidator.isValid(burst));
+    }
+
+    @Test
+    void errorsAreCounted()
+    {
+        CorrectedBinaryMessage burst = getBurst();
+        burst.flip(FRAME_1_C0_BIT_0);
+        assertEquals(1, AMBEFrameValidator.getErrorCount(burst, 0));
+        burst.flip(FRAME_1_C1_BIT_0);
+        assertEquals(2, AMBEFrameValidator.getErrorCount(burst, 0));
+        burst.flip(FRAME_1_C0_BIT_1);
+        assertEquals(3, AMBEFrameValidator.getErrorCount(burst, 0));
+    }
+
+    @Test
+    void fourC0ErrorsAreDetected()
+    {
+        CorrectedBinaryMessage burst = getBurst();
+        burst.flip(FRAME_1_C0_BIT_0);
+        burst.flip(FRAME_1_C0_BIT_1);
+        burst.flip(FRAME_1_C0_BIT_2);
+        burst.flip(FRAME_1_C0_BIT_2 + 4);
+        assertTrue(AMBEFrameValidator.getErrorCount(burst, 0) > AMBEFrameValidator.MAX_ERRORS);
+    }
+
+    @Test
+    void validWhenAnyFrameIsValid()
+    {
+        CorrectedBinaryMessage burst = getBurst();
+
+        //Corrupt the C0 vector of each frame in turn (4 bit errors), verifying a single valid frame is sufficient.
+        int[] frameOffsets = {24, 96, 216};
+
+        for(int frame = 0; frame < 3; frame++)
+        {
+            for(int bit = 0; bit < 16; bit += 4)
+            {
+                burst.flip(frameOffsets[frame] + bit);
+            }
+
+            assertTrue(AMBEFrameValidator.getErrorCount(burst, frame) > AMBEFrameValidator.MAX_ERRORS);
+            assertEquals(frame < 2, AMBEFrameValidator.isValid(burst), "Corrupted frames: " + (frame + 1));
+        }
+    }
+
+    @Test
+    void randomBurstsAreRarelyValid()
+    {
+        Random random = new Random(1234);
+        int valid = 0;
+        int trials = 20000;
+
+        for(int trial = 0; trial < trials; trial++)
+        {
+            CorrectedBinaryMessage burst = new CorrectedBinaryMessage(288);
+
+            for(int bit = 0; bit < 288; bit++)
+            {
+                if(random.nextBoolean())
+                {
+                    burst.set(bit);
+                }
+            }
+
+            if(AMBEFrameValidator.isValid(burst))
+            {
+                valid++;
+            }
+        }
+
+        //Expected false valid rate is ~3 x 1.3e-4 (ie ~8 of 20,000)
+        assertTrue(valid < 30, "Random bursts detected as valid: " + valid);
+    }
+
+    @Test
+    void voiceMessageValidity()
+    {
+        assertTrue(new VoiceAMessage(DMRSyncPattern.BASE_STATION_VOICE, getBurst(), null, 0, 1).isValid());
+
+        CorrectedBinaryMessage corrupted = getBurst();
+        int[] frameOffsets = {24, 96, 216};
+
+        for(int offset : frameOffsets)
+        {
+            for(int bit = 0; bit < 16; bit += 4)
+            {
+                corrupted.flip(offset + bit);
+            }
+        }
+
+        assertFalse(new VoiceAMessage(DMRSyncPattern.BASE_STATION_VOICE, corrupted, null, 0, 1).isValid());
+    }
+
+    /**
+     * Verifies the AMBE frames match the burst bits, specifically for frame 2 where bits 32-35 are sourced from burst
+     * bits 128-131 and bits 36-39 from burst bits 180-183, with burst bit 180 set (ie a negative signed byte).
+     */
+    @Test
+    void ambeFramesMatchBurstBits()
+    {
+        CorrectedBinaryMessage burst = getBurst();
+        burst.set(180);
+        burst.clear(128, 132);
+        List<byte[]> frames = new VoiceAMessage(DMRSyncPattern.BASE_STATION_VOICE, burst, null, 0, 1).getAMBEFrames();
+        int[] frameOffsets = {24, 96, 216};
+
+        for(int frame = 0; frame < 3; frame++)
+        {
+            for(int bit = 0; bit < 72; bit++)
+            {
+                int burstIndex = frameOffsets[frame] + bit + ((frame == 1 && bit >= 36) ? 48 : 0);
+                boolean frameBit = (frames.get(frame)[bit / 8] & (0x80 >> (bit % 8))) != 0;
+                assertEquals(burst.get(burstIndex), frameBit, "Frame " + frame + " bit " + bit);
+            }
+        }
+    }
+}

src/test/java/io/github/dsheirer/source/tuner/signalhound/SignalHoundTunerTest.java

@@ -0,0 +1,499 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2026 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.source.tuner.signalhound;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertInstanceOf;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import io.github.dsheirer.buffer.INativeBuffer;
+import io.github.dsheirer.sample.Listener;
+import io.github.dsheirer.signalhound.DeviceDescriptor;
+import io.github.dsheirer.signalhound.Diagnostics;
+import io.github.dsheirer.signalhound.IqBlock;
+import io.github.dsheirer.signalhound.IqBuffer;
+import io.github.dsheirer.signalhound.IqConfig;
+import io.github.dsheirer.signalhound.IqDataType;
+import io.github.dsheirer.signalhound.IqStreamInfo;
+import io.github.dsheirer.signalhound.SignalHoundApi;
+import io.github.dsheirer.signalhound.SignalHoundDevice;
+import io.github.dsheirer.signalhound.SignalHoundException;
+import io.github.dsheirer.signalhound.Sweep;
+import io.github.dsheirer.signalhound.SweepConfig;
+import io.github.dsheirer.signalhound.SweepInfo;
+import io.github.dsheirer.source.SourceException;
+import io.github.dsheirer.source.tuner.ITunerErrorListener;
+import io.github.dsheirer.source.tuner.TunerFactory;
+import io.github.dsheirer.source.tuner.TunerType;
+import io.github.dsheirer.source.tuner.configuration.TunerConfiguration;
+import java.lang.foreign.ValueLayout;
+import java.util.List;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.TimeUnit;
+import org.junit.jupiter.api.Test;
+
+/**
+ * Tests for the Signal Hound tuner, using a simulated device since the tests can't assume Signal Hound hardware.
+ */
+class SignalHoundTunerTest
+{
+    private static final DeviceDescriptor SM200 = new DeviceDescriptor(SignalHoundApi.SM, 1234, "SM200B");
+
+    @Test
+    void sampleRatesAreTheBaseRateDecimatedByPowersOfTwo()
+    {
+        List<SignalHoundSampleRate> bb60 = SignalHoundSampleRate.getRates(SignalHoundFamily.BB60);
+        assertEquals(new SignalHoundSampleRate(1, 40_000_000), bb60.getFirst());
+        assertEquals(new SignalHoundSampleRate(64, 625_000), bb60.getLast());
+        assertEquals(new SignalHoundSampleRate(64, 781_250), SignalHoundSampleRate.getRates(SignalHoundFamily.SM).getLast());
+        assertEquals(new SignalHoundSampleRate(64, 960_000), SignalHoundSampleRate.getRates(SignalHoundFamily.SP145).getLast());
+
+        for(SignalHoundFamily family : SignalHoundFamily.values())
+        {
+            for(SignalHoundSampleRate rate : SignalHoundSampleRate.getRates(family))
+            {
+                assertEquals(family.getBaseSampleRate(), (long)rate.rate() * rate.decimation(), "Rate " + rate);
+            }
+        }
+    }
+
+    @Test
+    void closestRateDoesNotExceedTheRequestedRate()
+    {
+        List<SignalHoundSampleRate> bb60 = SignalHoundSampleRate.getRates(SignalHoundFamily.BB60);
+        assertEquals(10_000_000, SignalHoundSampleRate.getClosest(bb60, 10_000_000).rate());
+        assertEquals(6_250_000, SignalHoundSampleRate.getClosest(SignalHoundSampleRate.getRates(SignalHoundFamily.SM),
+                10_000_000).rate());
+        assertEquals(7_680_000, SignalHoundSampleRate.getClosest(
+                SignalHoundSampleRate.getRates(SignalHoundFamily.SP145), 10_000_000).rate());
+        assertEquals(625_000, SignalHoundSampleRate.getClosest(bb60, 1).rate());
+        assertEquals("1.5625 MHz", new SignalHoundSampleRate(32, 1_562_500).toString());
+        assertEquals("10.00 MHz", new SignalHoundSampleRate(4, 10_000_000).toString());
+    }
+
+    @Test
+    void familyLimits()
+    {
+        assertEquals(SignalHoundFamily.SM, SignalHoundFamily.of(SignalHoundApi.SM));
+        assertEquals(20_600_000_000L, SignalHoundFamily.SM.getMaximumFrequency("SM200B"));
+        assertEquals(44_200_000_000L, SignalHoundFamily.SM.getMaximumFrequency("SM435C"));
+        assertEquals(6_400_000_000L, SignalHoundFamily.BB60.getMaximumFrequency("BB60D"));
+        assertTrue(SignalHoundFamily.BB60.hasGain());
+        assertFalse(SignalHoundFamily.SM.hasGain());
+        assertEquals(SignalHoundTunerController.MAXIMUM_TUNABLE_FREQUENCY_HZ,
+                SignalHoundFamily.SM.getMaximumFrequency("SM435B"));
+    }
+
+    @Test
+    void readsAreAbout10MillisecondsAsAPowerOfTwo()
+    {
+        assertEquals(65536, SignalHoundTunerController.getBufferSampleCount(10_000_000));
+        assertEquals(8192, SignalHoundTunerController.getBufferSampleCount(625_000));
+        assertEquals(524288, SignalHoundTunerController.getBufferSampleCount(61_440_000));
+        assertEquals(8192, SignalHoundTunerController.getBufferSampleCount(0));
+    }
+
+    @Test
+    void referenceLevelIsFullScale()
+    {
+        //A -20 dBm signal has an amplitude of sqrt(0.01 mW) = 0.1
+        assertEquals(10.0f, SignalHoundTunerController.getSampleScale(-20), 1e-5f);
+        assertEquals(1.0f, SignalHoundTunerController.getSampleScale(0), 1e-6f);
+        assertEquals(0.1f, SignalHoundTunerController.getSampleScale(20), 1e-6f);
+    }
+
+    @Test
+    void usableBandwidthComesFromTheStreamBandwidth()
+    {
+        assertEquals(0.75, SignalHoundTunerController.getUsableBandwidthPercent(
+                new IqStreamInfo(40e6, 30e6, IqDataType.FLOAT32)), 1e-9);
+        assertEquals(0.9, SignalHoundTunerController.getUsableBandwidthPercent(
+                new IqStreamInfo(10e6, 9.9e6, IqDataType.FLOAT32)), 1e-9);
+        assertEquals(0.5, SignalHoundTunerController.getUsableBandwidthPercent(
+                new IqStreamInfo(10e6, 1e6, IqDataType.FLOAT32)), 1e-9);
+    }
+
+    @Test
+    void invalidSettingsAreAutomatic()
+    {
+        assertEquals(3, SignalHoundTunerController.getValidSetting(3, 3));
+        assertEquals(SignalHoundTunerController.AUTOMATIC, SignalHoundTunerController.getValidSetting(4, 3));
+        assertEquals(SignalHoundTunerController.AUTOMATIC, SignalHoundTunerController.getValidSetting(-5, 3));
+    }
+
+    @Test
+    void idUsesTheFamilyAndSerialNumber()
+    {
+        assertEquals("Signal Hound SM SER#1234", DiscoveredSignalHoundTuner.getId(SM200));
+        assertEquals("Signal Hound SP145 SER#99", DiscoveredSignalHoundTuner.getId(
+                new DeviceDescriptor(SignalHoundApi.SP, 99, "SP145")));
+    }
+
+    @Test
+    void configurationRoundTrips() throws Exception
+    {
+        SignalHoundTunerConfiguration configuration = new SignalHoundTunerConfiguration("test");
+        configuration.setSampleRate(5_000_000);
+        configuration.setReferenceLevel(-40);
+        configuration.setAttenuation(2);
+        configuration.setGain(1);
+        configuration.setPreselector(true);
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        TunerConfiguration restored = mapper.readValue(mapper.writeValueAsString(configuration),
+                TunerConfiguration.class);
+
+        SignalHoundTunerConfiguration signalHound = assertInstanceOf(SignalHoundTunerConfiguration.class, restored);
+        assertEquals(TunerType.SIGNAL_HOUND, signalHound.getTunerType());
+        assertEquals(5_000_000, signalHound.getSampleRate());
+        assertEquals(-40, signalHound.getReferenceLevel());
+        assertEquals(2, signalHound.getAttenuation());
+        assertEquals(1, signalHound.getGain());
+        assertTrue(signalHound.isPreselector());
+        assertEquals("test", signalHound.getUniqueID());
+        assertInstanceOf(SignalHoundTunerConfiguration.class,
+                TunerFactory.getTunerConfiguration(TunerType.SIGNAL_HOUND, "id"));
+    }
+
+    @Test
+    void streamsScaledSamplesAndReconfiguresForChanges() throws Exception
+    {
+        FakeDevice device = new FakeDevice(0.01f);
+        ErrorListener errors = new ErrorListener();
+        SignalHoundTunerController controller = new SignalHoundTunerController(SM200, errors, _ -> device);
+        controller.start();
+
+        assertEquals("SM200B", controller.getDeviceInfo().model());
+        assertEquals(20_600_000_000L, controller.getMaximumTunableFrequency());
+        assertEquals(6_250_000, controller.getSignalHoundSampleRate().rate());
+        assertFalse(controller.isPreselectorSupported(), "Only SmDevice and SP145B have a preselector");
+        assertTrue(device.configs.isEmpty(), "The stream isn't configured until there's a listener");
+
+        //Small, since each buffer is up to 512 KB.  Buffers are dropped while it is full.
+        BlockingQueue<INativeBuffer> buffers = new ArrayBlockingQueue<>(16);
+        Listener<INativeBuffer> listener = buffers::offer;
+        controller.addBufferListener(listener);
+
+        //0.01 sqrt(mW) at the default -20 dBm reference level is 0.1 of full scale
+        assertEquals(0.1f, firstSample(buffers), 1e-6f);
+        IqConfig first = device.configs.getLast();
+        assertEquals(8, first.decimation());
+        assertEquals(-20.0, first.referenceLevel());
+        assertEquals(IqDataType.FLOAT32, first.dataType());
+
+        controller.setFrequency(460_000_000L);
+        assertEquals(460_000_000.0, device.configs.getLast().centerFrequency());
+
+        controller.setReferenceLevel(-40);
+        assertEquals(-40.0, device.configs.getLast().referenceLevel());
+        //A block read before the change can still be in flight to the listeners
+        awaitSample(buffers, 1.0f);
+
+        controller.setSampleRate(controller.getSampleRates().get(2));
+        assertEquals(4, device.configs.getLast().decimation());
+        assertEquals(12_500_000.0, controller.getSampleRate());
+        awaitSampleCount(buffers, 65536);
+
+        controller.removeBufferListener(listener);
+        assertFalse(device.streaming, "The stream stops without listeners");
+        assertTrue(device.stops > 0);
+
+        controller.stop();
+        assertTrue(device.closed);
+        assertTrue(errors.messages.isEmpty(), "Errors: " + errors.messages);
+    }
+
+    @Test
+    void settingsAreAppliedWhenTheStreamStarts() throws Exception
+    {
+        FakeDevice device = new FakeDevice(0.01f);
+        SignalHoundTunerController controller = new SignalHoundTunerController(SM200, new ErrorListener(),
+                _ -> device);
+        controller.start();
+
+        SignalHoundTunerConfiguration configuration = new SignalHoundTunerConfiguration("id");
+        configuration.setFrequency(851_000_000L);
+        configuration.setSampleRate(25_000_000);
+        configuration.setReferenceLevel(-100);
+        configuration.setAttenuation(9);
+        configuration.setGain(2);
+        configuration.setPreselector(true);
+        controller.apply(configuration);
+
+        //Settings that the device doesn't support are corrected in the configuration
+        assertEquals(SignalHoundTunerController.REFERENCE_LEVEL_MINIMUM, configuration.getReferenceLevel());
+        assertEquals(SignalHoundTunerController.AUTOMATIC, configuration.getAttenuation());
+        assertEquals(SignalHoundTunerController.AUTOMATIC, configuration.getGain());
+        assertFalse(configuration.isPreselector());
+        assertTrue(device.configs.isEmpty());
+
+        Listener<INativeBuffer> listener = _ -> {};
+        controller.addBufferListener(listener);
+        IqConfig config = device.configs.getLast();
+        assertEquals(851_000_000.0, config.centerFrequency());
+        assertEquals(2, config.decimation());
+        assertEquals(-60.0, config.referenceLevel());
+        assertEquals(1, device.configs.size(), "Configured once when the stream starts");
+
+        assertThrows(IllegalArgumentException.class, () -> controller.setGain(1), "The SM doesn't have gain");
+        assertThrows(SourceException.class, () -> controller.setPreselector(true));
+        controller.stop();
+    }
+
+    @Test
+    void readFailureStopsTheTunerWithAnError() throws Exception
+    {
+        FakeDevice device = new FakeDevice(0.01f);
+        ErrorListener errors = new ErrorListener();
+        SignalHoundTunerController controller = new SignalHoundTunerController(SM200, errors, _ -> device);
+        controller.start();
+        controller.addBufferListener(_ -> {});
+
+        device.readFailure = new SignalHoundException(SignalHoundApi.SM, "smGetIQ", -11, "Device disconnected");
+        String message = errors.messages.poll(5, TimeUnit.SECONDS);
+
+        assertNotNull(message);
+        assertTrue(message.contains("Device disconnected"), message);
+        controller.stop();
+        assertTrue(device.closed);
+    }
+
+    @Test
+    void startFailureClosesTheDevice()
+    {
+        SignalHoundTunerController controller = new SignalHoundTunerController(SM200, new ErrorListener(), _ -> {
+            throw new SignalHoundException(SignalHoundApi.SM, "smOpenDeviceBySerial", -1, "Device not found");
+        });
+
+        SourceException exception = assertThrows(SourceException.class, controller::start);
+        assertTrue(exception.getMessage().contains("Device not found"), exception.getMessage());
+    }
+
+    /**
+     * Waits for a buffer and returns its first I sample.
+     */
+    private static float firstSample(BlockingQueue<INativeBuffer> buffers) throws InterruptedException
+    {
+        INativeBuffer buffer = buffers.poll(5, TimeUnit.SECONDS);
+        assertNotNull(buffer, "No samples received");
+        return buffer.iteratorInterleaved().next().samples()[0];
+    }
+
+    /**
+     * Waits for a buffer whose first I sample is the expected value.
+     */
+    private static void awaitSample(BlockingQueue<INativeBuffer> buffers, float expected) throws InterruptedException
+    {
+        long end = System.nanoTime() + TimeUnit.SECONDS.toNanos(5);
+        float sample = Float.NaN;
+
+        while(System.nanoTime() < end)
+        {
+            sample = firstSample(buffers);
+
+            if(Math.abs(sample - expected) < 1e-5f)
+            {
+                return;
+            }
+        }
+
+        assertEquals(expected, sample, 1e-5f);
+    }
+
+    /**
+     * Waits for a buffer with the expected sample count.
+     */
+    private static void awaitSampleCount(BlockingQueue<INativeBuffer> buffers, int expected) throws InterruptedException
+    {
+        long end = System.nanoTime() + TimeUnit.SECONDS.toNanos(5);
+        int count = 0;
+
+        while(System.nanoTime() < end)
+        {
+            INativeBuffer buffer = buffers.poll(5, TimeUnit.SECONDS);
+            assertNotNull(buffer, "No samples received");
+            count = buffer.sampleCount();
+
+            if(count == expected)
+            {
+                return;
+            }
+        }
+
+        assertEquals(expected, count);
+    }
+
+    private static class ErrorListener implements ITunerErrorListener
+    {
+        private final BlockingQueue<String> messages = new ArrayBlockingQueue<>(10);
+
+        @Override
+        public void setErrorMessage(String errorMessage)
+        {
+            messages.offer(errorMessage);
+        }
+
+        @Override
+        public void tunerRemoved()
+        {
+        }
+    }
+
+    /**
+     * Simulated SM200 that streams a constant sample value, reading as fast as the test reads.
+     */
+    private static class FakeDevice implements SignalHoundDevice
+    {
+        private final float mValue;
+        private final List<IqConfig> configs = new CopyOnWriteArrayList<>();
+        private volatile boolean streaming;
+        private volatile boolean closed;
+        private volatile int stops;
+        private volatile SignalHoundException readFailure;
+        private volatile RuntimeException firmwareFailure;
+
+        FakeDevice(float value)
+        {
+            mValue = value;
+        }
+
+        @Override
+        public SignalHoundApi api()
+        {
+            return SignalHoundApi.SM;
+        }
+
+        @Override
+        public int serialNumber()
+        {
+            return 1234;
+        }
+
+        @Override
+        public String model()
+        {
+            return "SM200B";
+        }
+
+        @Override
+        public String firmwareVersion()
+        {
+            if(firmwareFailure != null)
+            {
+                throw firmwareFailure;
+            }
+
+            return "8.1.0";
+        }
+
+        @Override
+        public Diagnostics diagnostics()
+        {
+            return new Diagnostics(40.0f, 5.0f, 1.2f);
+        }
+
+        @Override
+        public synchronized IqStreamInfo startIq(IqConfig config)
+        {
+            configs.add(config);
+            streaming = true;
+            double rate = SignalHoundFamily.SM.getBaseSampleRate() / (double)config.decimation();
+            return new IqStreamInfo(rate, Math.min(config.bandwidth(), rate * 0.8), config.dataType());
+        }
+
+        @Override
+        public synchronized IqBlock readIq(IqBuffer buffer, boolean purge) throws SignalHoundException
+        {
+            if(!streaming)
+            {
+                throw new IllegalStateException("Not streaming");
+            }
+
+            if(readFailure != null)
+            {
+                throw readFailure;
+            }
+
+            buffer.segment().fill((byte)0);
+
+            for(int x = 0; x < buffer.capacity() * 2; x++)
+            {
+                buffer.segment().setAtIndex(ValueLayout.JAVA_FLOAT, x, mValue);
+            }
+
+            try
+            {
+                Thread.sleep(1);
+            }
+            catch(InterruptedException e)
+            {
+                Thread.currentThread().interrupt();
+            }
+
+            return new IqBlock(buffer.capacity(), System.currentTimeMillis() * 1_000_000L, false, 0, null);
+        }
+
+        @Override
+        public float iqCorrection()
+        {
+            return 1.0f;
+        }
+
+        @Override
+        public SweepInfo startSweep(SweepConfig config)
+        {
+            throw new UnsupportedOperationException();
+        }
+
+        @Override
+        public Sweep readSweep()
+        {
+            throw new UnsupportedOperationException();
+        }
+
+        @Override
+        public synchronized void stop()
+        {
+            streaming = false;
+            stops++;
+        }
+
+        @Override
+        public synchronized boolean isClosed()
+        {
+            return closed;
+        }
+
+        @Override
+        public synchronized void close()
+        {
+            streaming = false;
+            closed = true;
+        }
+    }
+}