BaseAudioContext: sampleRate property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.
The sampleRate property of the BaseAudioContext interface returns a floating point number representing the sample rate, in samples per second, used by all nodes in this audio context.
This limitation means that sample-rate converters are not supported.
Value
A floating point number indicating the audio context's sample rate, in samples per second.
Examples
Note:
For a full Web Audio example implementation, see one of our
Web Audio Demos on the MDN GitHub repo. Try entering
audioCtx.sampleRate into your browser console.
js
const audioCtx = new AudioContext();
// Older webkit/blink browsers require a prefix
// …
console.log(audioCtx.sampleRate);
Specifications
| Specification |
|---|
| Web Audio API # dom-baseaudiocontext-samplerate |
Browser compatibility
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