preservesPitchThe preservesPitch property for <audio> or <video> adjusts the pitch of audio to sound more natural when the playback rate is faster or slower than the default.media-elementsMedia elementswidely2023-12-112026-06-11https://html.spec.whatwg.org/multipage/media.html#dom-media-preservespitch-devhttps://developer.mozilla.org/docs/Web/API/HTMLMediaElement/preservesPitchapi.HTMLMediaElement.preservesPitchhttps://nowyoucanuse.com/features--preserves-pitch.html