<script>
var audio_context;
var recorder;


window.onload = function init() {
  try {
    window.AudioContext = window.AudioContext || window.webkitAudioContext;
    navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia;
    window.URL = window.URL || window.webkitURL;

    audio_context = new AudioContext;
  } catch (e) {
      console.log(e);
  }

  navigator.getUserMedia({audio: true}, startUserMedia);

  function startUserMedia(stream) {
    console.log('Initializing');
      var input = audio_context.createMediaStreamSource(stream);
      input.connect(audio_context.destination);

      var node = input.context.createGain(4096, 2, 2);

      node.onaudioprocess = function(e){
        console.log('done');
      }

      node.connect(audio_context.destination);
  }
};
</script>