The HTMLMediaElement.preservesPitch
property determines whether or not the browser should adjust the pitch of the audio to compensate for changes to the playback rate made by setting HTMLMediaElement.playbackRate
.
The HTMLMediaElement.preservesPitch
property determines whether or not the browser should adjust the pitch of the audio to compensate for changes to the playback rate made by setting HTMLMediaElement.playbackRate
.
A boolean value defaulting to true
.
In this example, we have an <audio>
element, a range control that adjusts the playback rate, and a checkbox that sets preservesPitch
.
Try playing the audio, then adjusting the playback rate, then enabling and disabling the checkbox.
html
<audio controls src="https://mdn.github.io/webaudio-examples/audio-basics/outfoxing.mp3"></audio> <div> <label for="rate">Adjust playback rate:</label> <input id="rate" type="range" min="0.25" max="3" step="0.05" value="1" /> </div> <div> <label for="pitch">Preserve pitch:</label> <input type="checkbox" id="pitch" name="pitch" checked /> </div>
js
const audio = document.querySelector("audio"); document.getElementById("rate").addEventListener("change", (e) => { audio.playbackRate = e.target.value; }); document.getElementById("pitch").addEventListener("change", (e) => { audio.preservesPitch = e.target.checked; });
Specification |
---|
HTML Standard # dom-media-preservespitch-dev |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
preservesPitch |
86 | 86 | 101 | No | 72 | 4 | 86 | 86 | 101 | 61 | 4 | 14.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/preservesPitch