The channelCount
property of the AudioNode
interface represents an integer used to determine how many channels are used when up-mixing and down-mixing connections to any inputs to the node.
channelCount
's usage and precise definition depend on the value of AudioNode.channelCountMode
:
- It is ignored if the
channelCountMode
value ismax
. - It is used as a maximum value if the
channelCountMode
value isclamped-max
. - It is used as the exact value if the
channelCountMode
value isexplicit
.
Syntax
var oscillator = audioCtx.createOscillator();
var channels = oscillator.channelCount;
Value
An integer.
Example
var AudioContext = window.AudioContext || window.webkitAudioContext; var audioCtx = new AudioContext(); var oscillator = audioCtx.createOscillator(); var gainNode = audioCtx.createGain(); oscillator.connect(gainNode); gainNode.connect(audioCtx.destination); oscillator.channelCount;
Specifications
Specification | Status | Comment |
Web Audio APIThe definition of 'channelCount' in that specification. | Working Draft |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
channelCount
|
Chrome
Full support 14 |
Edge
Full support 12 |
Firefox
Full support 25 |
IE
No support No |
Opera
Full support 15 |
Safari
Full support 6 |
WebView Android
Full support Yes |
Chrome Android
Full support 18 |
Firefox Android
Full support 26 |
Opera Android
Full support 14 |
Safari iOS
Full support Yes |
Samsung Internet Android
Full support 1.0 |
Legend
- Full support
- Full support
- No support
- No support
See also
AudioNode.channelCount by Mozilla Contributors is licensed under CC-BY-SA 2.5.