[Webkit-unassigned] [Bug 222225] 'Play' buttons for 'music playing' web app not working at all on iPhone 12 Pro running iOS 14.4

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=222225

--- Comment #16 from Eric Carlson <eric.carlson at apple.com> ---
(In reply to Richard Nash from comment #15)
> that's kind of what I was thinking...is there an a11y recommendation for
> instrumental audio tracks? Should there be a <track kind"____"> in any way?
> What would be useful for people who are hearing impaired when listening to
> an instrumental audio track? I dunnoooo...

The problem is that a <audio> element has no intrinsic visual output, so there is no place in the page to display caption/subtitles. We discussed this when defined the <track> element, and decided that it was OK because a author that wants to provide captions for audio-only content can put use a <video> element with an audio-only url.

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