WebAudioDebuggerTest.js

const ctx = new AudioContext();

function createMediaStream() {
  const mediaStream = new MediaStream();

  const source = ctx.createMediaStreamSource(mediaStream);

  source.connect(ctx.destination);

  setTimeout(() => {
    console.log("disconnecting");

    source.disconnect();
  }, 3000);
}

setInterval(createMediaStream, 1000);