The MediaElementAudioSourceNode() constructor creates a new MediaElementAudioSourceNode object instance.


var myAudioSource = new MediaElementAudioSourceNode(context, options);


Inherits parameters from the AudioNodeOptions dictionary.

An AudioContext representing the audio context you want the node to be associated with.
A MediaElementAudioSourceOptions dictionary object defining the properties you want the MediaElementAudioSourceNode to have:
  • mediaElement: An HTMLMediaElement that will be used as the source for the audio.

Return value

A new MediaElementAudioSourceNode object instance.


var ac = new AudioContext();
var mediaElement = document.createElement('audio');

var options = {
  mediaElement : mediaElement 

var myAudioSource = new MediaElementAudioSourceNode(ac, options);


Specification Status Comment
Web Audio API
The definition of 'MediaElementAudioSourceNode' in that specification.
Working Draft  

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support551 ?53 No42 ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic support551551 ?53 No42 ?

1. Before Chrome 59, the default values were not supported.

Document Tags and Contributors

 Contributors to this page: fscholz, teoli, chrisdavidmills, jpmedley
 Last updated by: fscholz,