MediaStreamAudioSourceNode: Конструктор MediaStreamAudioSourceNode()

new MediaStreamAudioSourceNode(context, options)

// define variables
const audioCtx = new AudioContext();

// getUserMedia block - grab stream
// put it into a MediaStreamAudioSourceNode
if (navigator.mediaDevices.getUserMedia) {
  navigator.mediaDevices
    .getUserMedia(
      // constraints: audio and video for this app
      {
        audio: true,
        video: false,
      },
    )
    .then((stream) => {
      const options = {
        mediaStream: stream,
      };

      const source = new MediaStreamAudioSourceNode(audioCtx, options);
      source.connect(audioCtx.destination);
    })
    .catch((err) => {
      console.error(`The following gUM error occurred: ${err}`);
    });
} else {
  console.log("new getUserMedia not supported on your browser!");
}