added comment to newhpsdrsim.c

diff --git a/newhpsdrsim.c b/newhpsdrsim.c
index f20823abe71ed8f1fe85951b7b46b94bb1f53822..5bcc8fe936b70f2c432a05bda4278296b22d6082 100644 (file)
--- a/newhpsdrsim.c
+++ b/newhpsdrsim.c
@@ -1184,7 +1184,8 @@ void *audio_thread(void *data) {
 }
 
 //
-// The microphone thread just sends silence
+// The microphone thread just sends silence, that is
+// a "zeroed" mic frame every 1.333 msec
 //
 void *mic_thread(void *data) {
   int sock;