audio stream from server through scoket

1mediaRecorder.ondataavailable = function(e) {
2  this.chunks.push(e.data);
3  if (this.chunks.length >= 700)
4  {
5      this.sendData(this.chunks);
6      this.chunks = [];
7  }
8};
9mediaRecorder.sendData = function(buffer) {
10  blob = new Blob(buffer, { 'type' : 'audio/wav' });
11  socket.emit('voice', blob);
12}