Baseline Widely available
The DelayNode() constructor of the Web Audio API creates a new DelayNode object with a delay-line; an AudioNode audio-processing module that causes a delay between the arrival of an input data, and its propagation to the output.
new DelayNode(context)
new DelayNode(context, options)
context
A reference to an AudioContext or OfflineAudioContext.
options Optional
An object specifying the delay node options. Can contain the following members:
delayTime
The initial delay time for the node, in seconds. The default is 0.
maxDelayTime
The maximum delay time for the node, in seconds. Defaults to 1.
channelCount
Represents an integer used to determine how many channels are used when up-mixing and down-mixing connections to any inputs to the node. (See AudioNode.channelCount for more information.) Its usage and precise definition depend on the value of channelCountMode.
channelCountMode
Represents an enumerated value describing the way channels must be matched between the node's inputs and outputs. (See AudioNode.channelCountMode for more information including default values.)
channelInterpretation
Represents an enumerated value describing the meaning of the channels. This interpretation will define how audio up-mixing and down-mixing will happen. The possible values are "speakers" or "discrete". (See AudioNode.channelCountMode for more information including default values.)
A new DelayNode object instance.
const audioCtx = new AudioContext();
const delayNode = new DelayNode(audioCtx, {
delayTime: 0.5,
maxDelayTime: 2,
});
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