Microphone activity level of WebRTC MediaStream

Question

I would like some advice on how best to get the microphone activity level of an audio MediaStreamTrack javascript object in Chrome/Canary. The MediaStrea

Answer 1

UPDATE: modified the code using:

navigator.mediaDevices.getUserMedia(constraints).then(
    function(stream){
        // code ... 
    }).catch(function(err) {
        // code ... 
});

Here is a fiddle: https://jsfiddle.net/elshnkhll/p07e5vcq/