AudioCapture.prototype.captureAudio = function(callback)
 {
   var onCaptureSuccess = function(audio)
   {
     if (callback) callback(audio);
   }
   var onCaptureFail = function(message)
   {
     alert('Audio Capture Failed: ' + message);
  }
  navigator.device.capture.captureAudio(onCaptureSuccess, onCaptureFail,{});
}