RTCCodecStats: channels property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2022.

The channels property of the RTCCodecStats dictionary is a positive number containing the number of channels supported by the codec.

For audio codecs, a value of 1 specifies monaural sound while 2 indicates stereo.

Values

A positive number indicating the number of channels.

Specification
Identifiers for WebRTC's Statistics API # dom-rtccodecstats-channels

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`channels` in 'codec' stats	Chrome – Full support Chrome 83 (Release date: 2020-05-19) footnote Full support	Edge – Full support Edge 83 (Release date: 2020-05-21) footnote Full support	Firefox – Full support Firefox 98 (Release date: 2022-03-08) footnote Full support	Opera – Full support Opera 69 (Release date: 2020-06-24) footnote Full support	Safari – Full support Safari 14.1 (Release date: 2021-04-26) footnote Full support	Chrome Android – Full support Chrome Android 83 (Release date: 2020-05-19) footnote Full support	Firefox for Android – Full support Firefox for Android 98 (Release date: 2022-03-08) footnote Full support	Opera Android – Full support Opera Android 59 (Release date: 2020-06-30) footnote Full support	Safari on iOS – Full support Safari on iOS 14.5 (Release date: 2021-04-26) footnote Full support	Samsung Internet – Full support Samsung Internet 13 (Release date: 2020-12-02) footnote Full support	WebView Android – Full support WebView Android 83 (Release date: 2020-05-19) footnote Full support	WebView on iOS – Full support WebView on iOS 14.5 (Release date: 2021-04-26) footnote Full support

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