diff --git a/src/dsd_audio.c b/src/dsd_audio.c
index e9477c6..3eae07b 100644
--- a/src/dsd_audio.c
+++ b/src/dsd_audio.c
@@ -901,7 +901,7 @@ openAudioInDevice (dsd_opts * opts)
   }
 
   //test .rrc files with hardset wav file settings
-  else if (strncmp(extension, ".rrc", 3) == 0)
+  else if (strncmp(extension, ".rrc", 4) == 0)
 	{
     //debug
     fprintf (stderr, "Opening M17 .rrc headless wav file\n");
@@ -921,19 +921,19 @@ openAudioInDevice (dsd_opts * opts)
     }
 	}
 
-  //TODO: test .sym files as symbol capture .bin files
-  else if (strncmp(extension, ".sym", 3) == 0)
+  //Open .raw files as a float input type
+  else if (strncmp(extension, ".raw", 4) == 0)
 	{
     struct stat stat_buf;
     if (stat(opts->audio_in_dev, &stat_buf) != 0)
     {
-      fprintf (stderr,"Error, couldn't open bin file %s\n", opts->audio_in_dev);
+      fprintf (stderr,"Error, couldn't open raw (float) file %s\n", opts->audio_in_dev);
       exit(1);
     }
     if (S_ISREG(stat_buf.st_mode))
     {
       opts->symbolfile = fopen(opts->audio_in_dev, "r");
-      opts->audio_in_type = 4; //symbol capture bin files
+      opts->audio_in_type = 44; //float symbol input
     }
     else
     {
@@ -941,7 +941,27 @@ openAudioInDevice (dsd_opts * opts)
     }
   }
 
-  else if (strncmp(extension, ".bin", 3) == 0)
+  //Open .raw files as a float input type
+  else if (strncmp(extension, ".sym", 4) == 0)
+	{
+    struct stat stat_buf;
+    if (stat(opts->audio_in_dev, &stat_buf) != 0)
+    {
+      fprintf (stderr,"Error, couldn't open sym (float) file %s\n", opts->audio_in_dev);
+      exit(1);
+    }
+    if (S_ISREG(stat_buf.st_mode))
+    {
+      opts->symbolfile = fopen(opts->audio_in_dev, "r");
+      opts->audio_in_type = 44; //float symbol input
+    }
+    else
+    {
+      opts->audio_in_type = 0;
+    }
+  }
+
+  else if (strncmp(extension, ".bin", 4) == 0)
 	{
     struct stat stat_buf;
     if (stat(opts->audio_in_dev, &stat_buf) != 0)
diff --git a/src/dsd_ncurses.c b/src/dsd_ncurses.c
index 89ee7b3..0a76e06 100644
--- a/src/dsd_ncurses.c
+++ b/src/dsd_ncurses.c
@@ -2474,7 +2474,12 @@ ncursesPrinter (dsd_opts * opts, dsd_state * state)
 
   if (opts->audio_in_type == 4)
   {
-    printw ("| Symbol Bin Input: %s \n", opts->audio_in_dev);
+    printw ("| Dibit Bin Input: %s \n", opts->audio_in_dev);
+  }
+
+  if (opts->audio_in_type == 44)
+  {
+    printw ("| Symbol Float Input: %s \n", opts->audio_in_dev);
   }
 
   if (opts->m17decoderip == 1 && opts->udp_sockfd)
diff --git a/src/dsd_symbol.c b/src/dsd_symbol.c
index 74e6d9b..b4b9e07 100644
--- a/src/dsd_symbol.c
+++ b/src/dsd_symbol.c
@@ -627,13 +627,7 @@ getSymbol (dsd_opts * opts, dsd_state * state, int have_sync)
   }
 #endif
 
-  //test throttle on wav input files
-	if (opts->audio_in_type == 2)
-	{
-		if (state->use_throttle == 1) usleep(.003); //very environment specific, tuning to cygwin
-	}
-
-  //read op25/fme symbol bin files
+  //read dibit capture bin files
   if (opts->audio_in_type == 4)
   {
     //use fopen and read in a symbol, check op25 for clues
@@ -713,6 +707,16 @@ getSymbol (dsd_opts * opts, dsd_state * state, int have_sync)
 
   }
 
+  //.raw or .sym float symbol files
+  if (opts->audio_in_type == 44)
+  {
+    float float_symbol = 0.0f;
+    fread (&float_symbol, sizeof(float), 1, opts->symbolfile); //sizeof(float) is 4 (usually)
+    if ( feof(opts->symbolfile) ) exitflag = 1; //end of file, exit
+    // float_symbol = -float_symbol; //inversion
+    symbol = (int)float_symbol * (int)10000;
+  }
+
   state->symbolcnt++;
   return (symbol);
 }