EncodedAudioChunk: duration property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Note: This feature is available in Dedicated Web Workers.

The duration read-only property of the EncodedAudioChunk interface returns an integer indicating the duration of the audio in microseconds.

Value

An integer.

Examples

In the following example the duration is printed to the console.

js
const init = {
  type: "key",
  data: audioBuffer,
  timestamp: 23000000,
  duration: 2000000,
};
chunk = EncodedAudioChunk(init);

console.log(chunk.duration); //2000000

Specifications

Specification
WebCodecs
# dom-encodedaudiochunk-duration

Browser compatibility

BCD tables only load in the browser