playbackRate

Summary

The speed at which to render the audio stream. The default playbackRate value is 1. This parameter is a-rate.

var result = AudioBufferSourceNode.playbackRate;
AudioBufferSourceNode.playbackRate = value;

Returns an object of type

AudioParam

var source = audioCtx.createBufferSource();
// play 25% faster than normal speed (1.0)
source.playbackRate.value = 1.25;