Use noise for input levelling
@@ -17,7 +17,7 @@ MIC=hw:$MIC,0
echo "using microphone $MIC,0"
#echo "using plaback card $PLAYBACK"
-play -q -n synth sine 440 2>/dev/null &
+play -q -n synth noise 2>/dev/null &
TONE_PID=$!
echo "ideal target volume range is between -10dB and -30dB"
