AudioData: AudioData() constructor
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Note: This feature is available in Dedicated Web Workers.
The AudioData() constructor creates a new AudioData object which represents an individual audio sample.
Syntax
new AudioData(init)
Parameters
init-
An object containing the following:
format-
One of:
- "u8"
- "s16"
- "s32"
- "f32"
- "u8-planar"
- "s16-planar"
- "s32-planar"
- "f32-planar"
sampleRate-
A decimal containing the sample rate in Hz.
numberOfFrames-
An integer containing the number of frames in this sample.
numberOfChannels-
An integer containing the number of channels in this sample.
timestamp-
An integer indicating the data's time in microseconds.
data-
A typed array of the audio data for this sample.
transfer-
An array of
ArrayBuffers thatAudioDatawill detach and take ownership of. If the array contains theArrayBufferbackingdata,AudioDatawill use that buffer directly instead of copying from it.
Exceptions
TypeError-
Thrown if
initis in an incorrect format.
Specifications
| Specification |
|---|
| WebCodecs # dom-audiodata-audiodata |
Browser compatibility
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