Echo and noise in sound webRTC android

Question

I am working on webRTC i am doing live stream between two android devices on local network it is working pretty fine for me except the sound quality issue there is noise and

Answer 1

What's happening is that you are playing your own local audio back to yourself. This creates a feedback loop between your microphone and speakers. That's why it kinda sounds better when you have the hands-free device. You can remove the local audio by modifying the stream of getUserMedia():

var constraints = {video: true, audio: true};
getUserMedia(constraints, function(stream){
    var videoOnly = new MediaStream(stream.getVideoTracks());
}, errorHandler);