!7

import static x30_pkg.x30_util.VF1;

sclass BlipOnNoise > DynPrintLog {
  float threshold = 40f;
  int forcedDelay = 2000;
  
  transient VF1<short[]> audioListener;
  transient float lastVolume;
  transient Q q;
  transient long delayUntil;
  
  void start {
    ownTimer(q = startQ());
    audioListener = voidfunc(short[] data) {
      temp enter();
      
      // Quickly calculate the volume
      final float vol = shortSamplesToPercentVolume(data);
      
      // Do everything else in our own thread
      q.add(r {
        //print("vol: " + vol);
        if (now() > delayUntil && vol >= threshold && lastVolume < threshold) {
          delayUntil = now()+forcedDelay;
          blip();
          printWithTime("Got noise (" + iround(vol) + "%)");
        }
        lastVolume = vol;
      });
    };
    
    // Link to audio input module
    dm_addAudioListener(audioListener);
  }
}

Began life as a copy of #1017157