The defaultValue property of the AudioParam interface represents the initial value of the attributes as defined by the specific AudioNode creating the AudioParam.
Syntax
var gainNode = audioCtx.createGain(); var gainDefault = gainNode.gain.defaultValue; //'gain' is the AudioParam
Value
A float.
Example
var AudioContext = window.AudioContext || window.webkitAudioContext; var audioCtx = new AudioContext(); var gainNode = audioCtx.createGain(); var gainDefault = gainNode.gain.defaultValue;
Specifications
| Specification | Status | Comment |
|---|---|---|
| Web Audio API The definition of 'defaultValue' in that specification. |
Working Draft |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 14 webkit | 23 | Not supported | 15 webkit 22 (unprefixed) |
6 webkit |
| Feature | Android | Chrome | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | Not supported | 28 webkit | 25 | 1.2 | Not supported | Not supported | 6 webkit |
See also
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fscholz,
chrisdavidmills
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