MediaStreamAudioSourceNode.MediaStreamAudioSourceNode()

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

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

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic supportChrome Full support 55
Notes
Full support 55
Notes
Notes Before Chrome 59, the default values were not supported.
Edge ? Firefox Full support 53IE No support NoOpera Full support 42Safari ? WebView Android Full support 55
Notes
Full support 55
Notes
Notes Before Chrome 59, the default values were not supported.
Chrome Android Full support 55
Notes
Full support 55
Notes
Notes Before Chrome 59, the default values were not supported.
Edge Mobile ? Firefox Android Full support 53Opera Android Full support 42Safari iOS ? Samsung Internet Android Full support 6.0

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
See implementation notes.
See implementation notes.

Document Tags and Contributors

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