HTML audio: Difference between revisions

Revision as of 18:04, 19 August 2024

Revision as of 20:05, 19 August 2024

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[[Apple Inc.|Apple]] and [[Microsoft]] support the [[International Organization for Standardization|ISO]]/[[International Electrotechnical Commission|IEC]]-[[technical standard|defined]] formats [[Advanced Audio Coding|AAC]] and the older [[MP3]]. [[Mozilla]] and [[Opera Software|Opera]] support the free and [[Open-source software|open]], [[royalty-free]] [[Vorbis]] format in [[Ogg]] and [[WebM]] containers, and criticize the patent-encumbered nature of MP3 and AAC, which are guaranteed to be “non-free”. [[Google]] has so far provided support for all common formats.

Most AAC files with finite length are wrapped in an MPEG-4 container (.mp4, .m4a), which is supported natively in Internet Explorer, Safari, and Chrome, and supported by the OS in Firefox and Opera.{{cn|date=August 2024}} Most AAC live streams with infinite length are wrapped in an Audio Data Transport Stream container (.aac, .adts), which is supported by Chrome, Safari, Firefox and Edge.<ref>{{Cite web|title=MP4 container · Issue #95 · karlheyes/icecast-kh|url=https://github.com/karlheyes/icecast-kh/issues/95|access-date=2022-11-18|website=GitHub|language=en}}</ref><ref name="developer.apple.com">{{Cite web|url=https://developer.apple.com/library/ios/technotes/tn2236/_index.html#//apple_ref/doc/uid/DTS40008748-CH1-SECTION5|title = Technical Note TN2236: High-Efficiency Advanced Audio Coding (HE-AAC)}}</ref><ref>{{Cite web|url=https://bugzilla.mozilla.org/show_bug.cgi?id=1224887|title = 1224887 – Implement OpenMax IL AAC audio decoding client}}</ref>

Many browsers also support uncompressed [[PCM]] audio in a [[WAV]]E container.<ref name="auto">{{Cite web|url=https://developer.mozilla.org/en-US/docs/Web/Media/Formats|title=Media type and format guide: image, audio, and video content – Web media technologies &#124; MDN|website=developer.mozilla.org}}</ref>