ConstantSourceNode()
The ConstantSourceNode() constructor creates a new ConstantSourceNode object instance, representing an audio source which constantly outputs samples whose values are always the same.
Syntax
var constantSourceNode = new ConstantSourceNode(context, options);
Parameters
context-
An
AudioContextrepresenting the audio context you want the node to be associated with. options-
A
ConstantSourceOptionsdictionary object defining the properties you want theConstantSourceNodeto have:-
offset: A read-onlyAudioParamspecifying the constant value generated by the source. The default is 1.0. The normal range is -1.0 to 1.0, but the value can be anywhere in the range from-Infinityto+Infinity.
-
Example
In this example, an audio context is created, then a ConstantSourceNode is established with its offset initialized to 0.5.
let audioContext = new AudioContext(); let myConstantSource = new ConstantSourceNode(audioContext, { offset: 0.5 });
Note: The new ConstantSourceNode created by the constructor has a channelCount of 2.
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
ConstantSourceNode |
56 |
79 |
52 |
No |
43 |
14.1 |
56 |
56 |
52 |
43 |
14.5 |
6.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/ConstantSourceNode/ConstantSourceNode