code: function(stream) {
  		var options={
  			type: 'audio',
  			mimeType: 'audio/webm',
  			audioBitsPerSecond: 44100,
  			sampleRate: 44100, 
  			bufferSize: 16384, 
  			numberOfAudioChannels: 1
  		};  
  		console.log("successCallback");
  		question.survey.mystream = stream;
  		question.survey.recordRTC = RecordRTC(question.survey.mystream, options);
  		if(typeof question.survey.recordRTC != "undefined"){
  			console.log("startRecording");
  			question.survey.recordRTC.startRecording();
  		}
  	  }
docs: ////////  RecordRTC logic