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MediaStreamAudioSourceNode.constructor

The MediaStreamAudioSourceNode() constructor of the Web Audio API creates a new MediaStreamAudioSourceNode object instance.

Syntax

var myAudioSource = new MediaStreamAudioSourceNode(context, options);

Parameters

Inherits parameters from the AudioNodeOptions dictionary.

context
An AudioContext representing the audio context you want the node to be associated with.
options
A MediaStreamAudioSourceOptions dictionary object defining the properties you want the MediaStreamAudioSourceNode to have:
  • mediaStream: The media stream that will be used as the source for the audio.

Return value

A new MediaStreamAudioSourceNode object instance.

Example

// define variables
var audioCtx = new (window.AudioContext || window.webkitAudioContext)();

// getUserMedia block - grab stream
// put it into a MediaStreamAudioSourceNode
if (navigator.mediaDevices.getUserMedia) {
   console.log('new getUserMedia supported.');
   navigator.mediaDevices.getUserMedia (
      // constraints: audio and video for this app
      {
         audio: true,
         video: false
     }).then(function(stream) {

       // Create a MediaStreamAudioSourceNode
       var options = {
         mediaStream : stream
       }

       var source = new MediaStreamAudioSourceNode(audioCtx, options);
        source.connect(audioCtx.destination);
        }).catch(function(err) {
         console.log('The following gUM error occured: ' + err);
      });
} else {
   console.log('new getUserMedia not supported on your browser!');
}

Specifications

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 55
55
Before Chrome 59, the default values were not supported.
? 53 No 42 ?
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support 55
55
Before Chrome 59, the default values were not supported.
55
55
Before Chrome 59, the default values were not supported.
? 53 42 ? 6.0

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamAudioSourceNode/MediaStreamAudioSourceNode