channelCount property is an integer indicating how many audio channel the
MediaStreamTrack is currently configured to have. This lets you determine what value was selected to comply with your specified constraints for this property's value as described in the
MediaTrackConstraints.channelCount property you provided when calling either
If needed, you can determine whether or not this constraint is supported by checking the value of
MediaTrackSupportedConstraints.channelCount as returned by a call to
MediaDevices.getSupportedConstraints(). However, typically this is unnecessary since browsers will simply ignore any constraints they're unfamiliar with.
var channelCount = MediaTrackSettings.channelCount;
An integer value indicating the number of audio channels on the track. A value of 1 indicates monaural sound, 2 means stereo, and so forth.
See "Example: Constraint exerciser" in Capabilities, constraints, and settings for an example.
|Media Capture and Streams
The definition of 'channelCount' in that specification.
|Editor's Draft||Initial specification.|
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari|
|Basic support||(Yes)||No support||No support||(Yes)||?|
|Feature||Android||Android Webview||Firefox Mobile (Gecko)||IE Mobile||Opera Mobile||Safari Mobile||Chrome for Android|
|Basic support||?||(Yes)||No support||No support||?||?||(Yes)|