sS hVAD(S onVoiceStart, S onVoiceStop) {
  ret [[
<script type="text/javascript" src="https://botcompany.de/1014036/raw/1027698"></script>
<script type="text/javascript">
  // Create AudioContext
  window.AudioContext = window.AudioContext || window.webkitAudioContext;
  var audioContext = new AudioContext();

  // Define function called by getUserMedia 
  function startUserMedia(stream) {
    // Create MediaStreamAudioSourceNode
    var source = audioContext.createMediaStreamSource(stream);

    // Setup options
    var options = {
     source: source,
     voice_stop: function() { ]] + onVoiceStop + [[ }, 
     voice_start: function() { ]] + onVoiceStart + [[ }
    }; 
    
    // Create VAD
    var vad = new VAD(options);
  }

  // Ask for audio device
  navigator.getUserMedia = ( navigator.getUserMedia
                           || navigator.webkitGetUserMedia 
                           || navigator.mozGetUserMedia 
                           || navigator.msGetUserMedia);
  navigator.getUserMedia({audio: true}, startUserMedia, function(e) {
          console.log("No live audio input in this browser: " + e);
  });
</script>
  ]];
}