ConstantSourceNode: ConstantSourceNode() constructor
The ConstantSourceNode()
constructor creates a new
ConstantSourceNode
object instance, representing an audio source which
constantly outputs samples whose values are always the same.
Syntax
js
new ConstantSourceNode(context, options)
Parameters
context
-
An
AudioContext
representing the audio context you want the node to be associated with. options
-
A
ConstantSourceOptions
dictionary object defining the properties you want theConstantSourceNode
to have:offset
-
A read-only
AudioParam
specifying 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-Infinity
to+Infinity
.
Examples
In this example, an audio context is created, then a ConstantSourceNode
is
established with its offset
initialized to 0.5.
js
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
Specification |
---|
Web Audio API # dom-constantsourcenode-constructor-constantsourcenode |
Browser compatibility
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