text: var config = {
      audio: true,
      video: false
  };
  //08007220151
  const audio = new AudioContext();
  
  navigator.getUserMedia = navigator.getUserMedia ||
                           navigator.webkitGetUserMedia ||
                           navigator.mozGetUserMedia;
  
  
  function handle(stream) {
      const input = audio.createMediaStreamSource(stream);
      const processor = audio.createScriptProcessor(512, 1, 1);
      const analyser = audio.createAnalyser();
  
      processor.onaudioprocess = function(node) {
          socket.emit("sample", node.inputBuffer.getChannelData(0));
      }
  
      input.connect(processor);
      processor.connect(analyser);
  }
  
  if(navigator.getUserMedia) {
      navigator.getUserMedia(config, handle, error => {
          console.log(error.name);
      });
  }
  else {
      console.log("I can't use that! :/")
  }