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object-src 'none'; report-uri /w/api.php?action=cspreport&format=json; report-to csp-report-to-endpoint last-modified: Tue, 30 Jun 2026 00:01:13 GMT content-type: text/html; charset=UTF-8 age: 0 accept-ranges: bytes x-cache: cp2047 miss, cp2047 miss x-cache-status: miss server-timing: cache;desc="miss", host;desc="cp2047" strict-transport-security: max-age=106384710; includeSubDomains; preload report-to: { "group": "wm_nel", "max_age": 604800, "endpoints": [{ "url": "https://intake-logging.wikimedia.org/v1/events?stream=w3c.reportingapi.network_error&schema_uri=/w3c/reportingapi/network_error/1.0.0" }] } nel: { "report_to": "wm_nel", "max_age": 604800, "failure_fraction": 0.05, "success_fraction": 0.0} set-cookie: WMF-Last-Access=02-Jul-2026;Path=/;HttpOnly;secure;Expires=Mon, 03 Aug 2026 12:00:00 GMT set-cookie: WMF-Last-Access-Global=02-Jul-2026;Path=/;Domain=.wikipedia.org;HttpOnly;secure;Expires=Mon, 03 Aug 2026 12:00:00 GMT set-cookie: WMF-DP=1d1;Path=/;HttpOnly;secure;Expires=Fri, 03 Jul 2026 00:00:00 GMT x-client-ip: 75.28.18.94 cache-control: private, s-maxage=0, max-age=0, must-revalidate, no-transform vary: Accept-Encoding,X-Subdomain,Cookie,Authorization,User-Agent set-cookie: GeoIP=US:TX:McKinney:33.20:-96.62:v4; 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For metadata describing digital audio, see Metadata §   Digital music . HTML HTML and variants Dynamic HTML HTML5 XHTML Basic Mobile Profile HTML elements and attributes HTML element article audio blink canvas div and span marquee meta video HTML attribute alt attribute HTML frame Editing HTML editor Text editor Character encodings and language Character encodings Character entity references (named characters) Unicode Language code Document and browser models Document Object Model Browser Object Model Style sheets CSS Font family Web colors Client-side scripting and APIs JavaScript WebCL HTMX Graphics and Web3D technology Web3D WebGL WebGPU WebXR W3C Validator WHATWG Quirks mode Web storage Rendering engine Comparisons Document markup languages Comparison of browser engines v t e HTML audio is a subject of the HTML specification, incorporating audio, including speech to text, all in the browser. _element"> _element"> < audio > element [ element"> edit ] The < audio > element represents a sound, or an audio stream. It is commonly used to play back a single audio file within a web page, showing a GUI widget with play/pause/volume controls. The < audio > element has these attributes: the music global attributes (accesskey; class; contenteditable; contextmenu; dir; draggable; dropzone; hidden; id; lang; spellcheck; style; tabindex; title; translate) autoplay = "autoplay" or "" (empty string) or empty Instructs the User-Agent to automatically begin playback of the audio stream as soon as it can do so without stopping. preload = "none" or "metadata" or "auto" or "" (empty string) or empty Represents a hint to the User-Agent about whether optimistic downloading of the audio stream itself or its metadata is considered worthwhile. "none": Hints to the User-Agent that the user is not expected to need the audio stream, or that minimizing unnecessary traffic is desirable. "metadata": Hints to the User-Agent that the user is not expected to need the audio stream, but that fetching its metadata (duration and so on) is desirable. "auto": Hints to the User-Agent that optimistically downloading the entire audio stream is considered desirable. controls = "controls" or "" (empty string) or empty Instructs the User-Agent to expose a user interface for controlling playback of the audio stream. loop = "loop" or "" (empty string) or empty Instructs the User-Agent to seek back to the start of the audio stream upon reaching the end. mediagroup = string Instructs the User-Agent to link multiple videos and/or audio streams together. muted = "muted" or "" (empty string) or empty Represents the default state of the audio stream, potentially overriding user preferences. src = non-empty [URL] potentially surrounded by spaces The URL for the audio stream. Example: [ 1 ] \n <source src=\"https://media.w3.org/2010/07/bunny/04-Death_Becomes_Fur.mp4\" type=\"audio/mp4\" />\n <source src=\"https://media.w3.org/2010/07/bunny/04-Death_Becomes_Fur.oga\" type=\"audio/ogg; codecs=vorbis\" />\n <p>Your user agent does not support the HTML5 Audio element.</p>\n</audio>\n"}}'> < audio controls > < source src = "https://media.w3.org/2010/07/bunny/04-Death_Becomes_Fur.mp4" type = "audio/mp4" /> < source src = "https://media.w3.org/2010/07/bunny/04-Death_Becomes_Fur.oga" type = "audio/ogg; codecs=vorbis" /> < p > Your user agent does not support the HTML5 Audio element. </ p > </ audio > Removed Supported audio coding formats [ edit ] The adoption of HTML audio, as with HTML video , has become polarized between proponents of free and patent-encumbered formats. In 2007, the recommendation to use Vorbis was retracted from the HTML5 specification by the W3C together with that to use Ogg Theora , citing the lack of a format accepted by all the major browser vendors. Apple and Microsoft support the ISO / IEC - defined formats AAC and the older MP3 . Mozilla and Opera support the free and 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. [ citation needed ] 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. [ 2 ] [ 3 ] [ 4 ] Many browsers also support uncompressed PCM audio in a WAV E container. [ 5 ] In 2012, the free and open royalty-free Opus format was released and standardized by IETF . It is supported by Mozilla, Google, Opera and Edge. [ 5 ] [ 6 ] [ 7 ] [ 8 ] This table documents the current support for audio coding formats by the < audio > element. Formats supported by different web browsers Format Container MIME type Chrome Internet Explorer Edge Firefox Opera Safari PCM WAV audio/wav Yes No Yes Yes, in v3.5 [ citation needed ] Yes, in v11.00 Yes, in v3.1 MP3 MP3 audio/mpeg {{Cite web |url=https://bugs.chromium.org/p/chromium/issues/detail?id=746579 |title=Enable mp3 support in Chromium |publisher=Google |access-date=2018-05-01 }}</ref> "]}'>Yes [ 9 ] Yes, in IE9 Yes {{Cite web |url=https://www.mozilla.org/en-US/firefox/71.0/releasenotes/ |title=Firefox 71.0 release notes |date=December 3, 2019 |publisher=Mozilla }}</ref> "]}'>Yes, in v71 [ 10 ] "]}'>Yes [ 9 ] Yes, in v3.1 AAC MP4 audio/mp4 Yes Yes, in IE9 Yes {{Cite web |url=https://developer.mozilla.org/en-US/docs/Web/Media/Formats |title=Media type and format guide: image, audio, and video content |publisher=Mozilla |website=Mozilla Developer Network |access-date=2019-12-06 }}</ref>}}"}},"i":0}}," "]}'>From OS [ a ] Yes Yes ADTS "}},"i":0}}]}'> [ b ] audio/aac audio/aacp Yes No Yes {{Cite web |url=https://bugzilla.mozilla.org/show_bug.cgi?id=1190341 |title=1190341 - audio/aacp shoutcast is not supported }}</ref><ref>{{Cite web |url=https://bugzilla.mozilla.org/show_bug.cgi?id=1169212 |title=1169212 - Create ADTSDemuxer, a MediaDataDemuxer }}</ref> "]}'>From OS [ a ] in v45.0 [ 12 ] [ 13 ] Yes Yes Vorbis Ogg audio/ogg Yes, in v9 No {{Cite web | url=https://developer.microsoft.com/en-us/microsoft-edge/status/vorbisaudiocodec/ | title=Platform Status – Microsoft Edge Developer | access-date=2020-05-11 | archive-date=2021-02-27 | archive-url=https://web.archive.org/web/20210227033022/https://developer.microsoft.com/en-us/microsoft-edge/status/vorbisaudiocodec/ | url-status=dead }}</ref><br />In v17, with Web Media Extensions<ref name=\"Edge-MediaExt\">{{Cite web |url=https://blogs.windows.com/msedgedev/2017/12/05/introducing-web-media-extension-package-ogg-vorbis-theora-support/ |title=Introducing the Web Media Extension Package with OGG Vorbis and Theora support for Microsoft Edge |date=December 5, 2017 |website=Microsoft Edge Dev Blog |publisher=[[Microsoft]] }}</ref>"}},"i":0}}," "]}'>In v79 [ 14 ] In v17, with Web Media Extensions [ 15 ] {{Cite web|url=https://website-archive.mozilla.org/www.mozilla.org/firefox_releasenotes/en-us/firefox/3.5/releasenotes/|title = Firefox Notes - Desktop}}</ref> "]}'>Yes, in v3.5 [ 16 ] Yes, in v10.50 With Xiph QuickTime Components ( macOS 10.11 and earlier) WebM audio/webm Yes No <br />In v17, with Web Media Extensions<ref name=\"Edge-MediaExt\" />"}},"i":0}}," "]}'>In v79 [ 14 ] In v17, with Web Media Extensions [ 15 ] {{Cite web|url=https://website-archive.mozilla.org/www.mozilla.org/firefox_releasenotes/en-us/firefox/4.0/releasenotes/|title = Firefox Notes - Desktop}}</ref> "]}'>Yes, in v4.0 [ 17 ] Yes, in v10.60 No Opus Ogg audio/ogg (in v31 for Windows)"}},"i":0}}," "]}'>Yes, in v25 (in v31 for Windows) No {{Cite web|url=https://developer.microsoft.com/en-us/microsoft-edge/status/opusaudioplayback/|title=Platform Status – Microsoft Edge Developer|website=developer.microsoft.com|access-date=2020-05-11|archive-d 8000 ate=2021-02-27|archive-url=https://web.archive.org/web/20210227034744/https://developer.microsoft.com/en-us/microsoft-edge/status/opusaudioplayback/|url-status=dead}}</ref><br />In v17, with Web Media Extensions<ref name=\"Edge-MediaExt\" />"}},"i":0}}," "]}'>In v79 [ 18 ] In v17, with Web Media Extensions [ 15 ] {{Cite web|url=https://website-archive.mozilla.org/www.mozilla.org/firefox_releasenotes/en-us/firefox/15.0/releasenotes/|title = Firefox Notes - Desktop}}</ref> "]}'>Yes, in v15.0 [ 19 ] Yes, in v14 No WebM audio/webm Yes No <br />In v17, with Web Media Extensions<ref name=\"Edge-MediaExt\" />"}},"i":0}}," "]}'>In v79 [ 18 ] In v17, with Web Media Extensions [ 15 ] {{Cite web|url=https://www.mozilla.org/en-US/firefox/28.0/releasenotes/|title = Firefox 28.0, See All New Features, Updates and Fixes}}</ref> "]}'>Yes, in v28.0 [ 20 ] Yes {{Cite web|url=https://webkit.org/blog/11989/new-webkit-features-in-safari-15/|title=New WebKit Features in Safari 15|first=Jen|last=Simmons|date=October 26, 2021}}</ref><ref>{{Cite web|url=https://developer.apple.com/documentation/safari-release-notes/safari-15-release-notes|title=Apple Developer Documentation|website=developer.apple.com}}</ref>"]}'>Yes, in Safari 15+ and macOS Monterey [ 21 ] [ 22 ] CAF audio/x-caf No No No No No Yes, in Safari 11 and macOS High Sierra FLAC FLAC audio/flac {{Cite web |url=https://www.chromestatus.com/features/5744731434778624 |title=FLAC codec support for <audio> and WebAudio |website=Chrome Platform Status |access-date=2016-12-27 }}</ref> "]}'>Yes, in v56 [ 23 ] No {{Cite web|url=https://developer.microsoft.com/en-us/microsoft-edge/status/flacaudiocodec/|title=Platform Status – Microsoft Edge Developer|website=developer.microsoft.com|access-date=2020-05-11|archive-date=2021-02-27|archive-url=https://web.archive.org/web/20210227043710/https://developer.microsoft.com/en-us/microsoft-edge/status/flacaudiocodec/|url-status=dead}}</ref> "]}'>Yes, in v16 [ 24 ] {{Cite web |url=https://developer.mozilla.org/en-US/Firefox/Releases/51 |title=Firefox 51 for developers |website=Mozilla Developer Network |access-date=2016-12-27 }}</ref> "]}'>Yes, in v51 [ 25 ] Yes {{Cite web |url=https://www.theverge.com/2017/6/6/15747518/apple-flac-lossless-audio-compressed-alac-ios-11 |title=Apple reportedly adds support for FLAC lossless audio in iOS 11 |author=Chaim Gartenberg |date=June 6, 2017 |website=The Verge }}</ref>"]}'>Yes, in v11 [ 26 ] Ogg audio/ogg "]}'>Yes, in v56 [ 23 ] No {{Cite web | url=https://developer.microsoft.com/en-us/microsoft-edge/status/oggcontainer/ | title=Platform Status – Microsoft Edge Developer | access-date=2020-05-11 | archive-date=2021-02-27 | archive-url=https://web.archive.org/web/20210227042630/https://developer.microsoft.com/en-us/microsoft-edge/status/oggcontainer/ | url-status=dead }}</ref><br />In v17, with Web Media Extensions<ref name=\"Edge-MediaExt\" />"}},"i":0}}," "]}'>In v79 [ 27 ] In v17, with Web Media Extensions [ 15 ] "]}'>Yes, in v51 [ 25 ] Yes No Web Audio API and MediaStream Processing API [ edit ] The Web Audio API specification developed by W3C describes a high-level JavaScript API for processing and synthesizing audio in web applications. The primary paradigm is of an audio routing graph, where a number of AudioNode objects are connected together to define the overall audio rendering. The actual processing will primarily take place in the underlying implementation (typically optimized Assembly / C / C++ code), but direct JavaScript processing and synthesis is also supported. [ 28 ] Mozilla's Firefox browser implements a similar Audio Data API extension since version 4, implemented in 2010 [ 29 ] and released in 2011, but Mozilla warns it is non-standard and deprecated, and recommends the Web Audio API instead. [ 30 ] Some JavaScript audio processing and synthesis libraries such as Audiolet Archived 2013-01-28 at the Wayback Machine support both APIs. The W3C Audio Working Group is also considering the MediaStream Processing API specification developed by Mozilla . [ 31 ] In addition to audio mixing and processing, it covers more general media streaming, including synchronization with HTML elements, capture of audio and video streams, and peer-to-peer routing of such media streams. [ 32 ] Supporting browsers [ edit ] On PC: Google Chrome 10 [ 33 ] (Enabled by default since 14 [ 34 ] ) Firefox 23 (Enabled by default since 25) Opera 15 Safari 6 Microsoft Edge 12 Opera GX 36 On mobile devices: Google Chrome for Android 28 (Enabled by default since 29) and Apple iPads Safari 6 (Has restrictions on use (Muted unless user called)) Firefox 23 (Enabled by default since 25) Tizen Web Speech API [ edit ] The Web Speech API aims to provide an alternative input method for web applications (without using a keyboard). With this API, developers can give web apps the ability to transcribe voice to text, from the computer's microphone. The recorded audio is sent to speech servers for transcription, after which the text is typed out for the user. The API itself is agnostic of the underlying speech recognition implementation and can support both server based as well as embedded recognizers. [ 35 ] The HTML Speech Incubator group has proposed the implementation of audio-speech technology in browsers in the form of uniform, cross-platform APIs. The API contains both: [ 36 ] Speech Input API Text to Speech API Google integrated this feature into Google Chrome in March 2011. [ 37 ] Letting its users search the web with their voice with code like: \n function startSearch(event) {\n event.target.form.submit();\n }\n</script>\n<form action=\"http://www.google.com/search\">\n <input type=\"search\" name=\"q\" speech required onspeechchange=\"startSearch\">\n</form>\n"}}'> < script type = "application/javascript" > function startSearch ( event ) { event . target . form . submit (); } </ script > < form action = "http://www.google.com/search" > < input type = "search" name = "q" speech required onspeechchange = "startSearch" > </ form > See also [ edit ] HTML video Use of Ogg formats in HTML5 Notes [ edit ] 1 2 There is no native support for the AAC codec due to licensing reasons. Decoding of audio files requires the host OS to provide a compatible library. [ 11 ] ↑ An MPEG-4 file contains a header that includes metadata followed by "tracks" which can include video as well as audio data, for example, H.264 encoded Video and AAC encoded Audio. ADTS in contrast is a streaming format consisting of a series of frames, each frame having a header followed by the AAC data. [ 3 ] References [ edit ] ↑ "The Embed Audio element – HTML: HyperText Markup Language | MDN" . ↑ "MP4 container · Issue #95 · karlheyes/icecast-kh" . GitHub . Retrieved 2022-11-18 . 1 2 "Technical Note TN2236: High-Efficiency Advanced Audio Coding (HE-AAC)" . ↑ "1224887 – Implement OpenMax IL AAC audio decoding client" . 1 2 "Media type and format guide: image, audio, and video content – Web media technologies | MDN" . developer.mozilla.org . ↑ "September 11, 2012: Opus audio codec is now RFC6716, Opus 1.0.1 reference source released" . ↑ "It's Opus, it rocks and now it's an audio codec standard! – Mozilla Hacks – the Web developer blog" . ↑ "WebM, VP9 and Opus Support in Microsoft Edge – Microsoft Edge Dev BlogMicrosoft Edge Dev Blog" . blogs.windows.com . 18 April 2016 . Retrieved 2017-03-22 . 1 2 "Enable mp3 support in Chromium" . Google . Retrieved 2018-05-01 . ↑ "Firefox 71.0 release notes" . Mozilla. December 3, 2019. ↑ "Media type and format guide: image, audio, and video content" . Mozilla Developer Network . Mozilla . Retrieved 2019-12-06 . ↑ "1190341 - audio/aacp shoutcast is not supported" . ↑ "1169212 - Create ADTSDemuxer, a MediaDataDemuxer" . 1 2 "Platform Status – Microsoft Edge Developer" . Archived from the original on 2021-02-27 . Retrieved 2020-05-11 . 1 2 3 4 5 "Introducing the Web Media Extension Package with OGG Vorbis and Theora support for Microsoft Edge" . Microsoft Edge Dev Blog . Microsoft . December 5, 2017. ↑ "Firefox Notes - Desktop" . ↑ "Firefox Notes - Desktop" . 1 2 "Platform Status – Microsoft Edge Developer" . developer.microsoft.com . Archived from the original on 2021-02-27 . Retrieved 2020-05-11 . ↑ "Firefox Notes - Desktop" . ↑ "Firefox 28.0, See All New Features, Updates and Fixes" . ↑ Simmons, Jen (October 26, 2021). "New WebKit Features in Safari 15" . ↑ "Apple Developer Documentation" . developer.apple.com . 1 2 "FLAC codec support for < audio > and WebAudio" . Chrome Platform Status . Retrieved 2016-12-27 . ↑ "Platform Status – Microsoft Edge Developer" . developer.microsoft.com . Archived from the original on 2021-02-27 . Retrieved 2020-05-11 . 1 2 "Firefox 51 for developers" . Mozilla Developer Network . Retrieved 2016-12-27 . ↑ Chaim Gartenberg (June 6, 2017). "Apple reportedly adds support for FLAC lossless audio in iOS 11" . The Verge . ↑ "Platform Status – Microsoft Edge Developer" . Archived from the original on 2021-02-27 . Retrieved 2020-05-11 . ↑ Chris Rogers (2012-03-15). "Web Audio API" . W3C . Archived from the original on 2012-07-20 . Retrieved 2012-07-04 . {{ cite web }} : CS1 maint: bot: original URL status unknown ( link ) ↑ "Audio Data API" . ↑ "Introducing the Audio API extension" . Mozilla Developer Network . Mozilla . 2012-03-05. Archived from the original on 2012-05-05 . Retrieved 2012-07-04 . ↑ "Audio Processing API" . W3C . 2011-12-15. Archived from the original on 2012-06-14 . Retrieved 2012-07-04 . {{ cite web }} : CS1 maint: bot: original URL status unknown ( link ) ↑ Robert O'Callahan (2012-05-31). "MediaStream Processing API" . W3C . Retrieved 2012-07-04 . ↑ "Web Audio API is now available in Chrome from Chris Rogers on 2011-02-01 (public-xg-audio@w3.org from February 2011)" . lists.w3.org . Retrieved 2022-11-18 . ↑ Scott Gilbertson (2011-09-19). "Chrome 14 Adds Better Audio, 'Native Client' Support" . Webmonkey . Wired . Retrieved 2012-07-04 . ↑ "API draft" . Retrieved January 28, 2012 . ↑ "HTML5 Speech API" . Retrieved January 28, 2012 . ↑ "Talking to your computer" . Retrieved January 28, 2012 . External links [ edit ] HTML/Elements/audio – W3C Wiki HTML5 audio element – W3C Web Audio API – W3C MediaStream Processing API – W3C Web Speech API – W3C Web Audio DAW – GitHub Mozilla's Web Audio API Retrieved from " https://en.wikipedia.org/w/index.php?title=HTML_audio&oldid=1361769197#Web_Audio_API_and_MediaStream_Processing_API " Categories : HTML5 Digital audio Web standards Web programming Hidden categories: Articles with short description Short description matches Wikidata All articles with unsourced statements Articles with unsourced statements from August 2024 Articles with unsourced statements from April 2023 CS1 maint: bot: original URL status unknown Webarchive template wayback links This page was last edited on 30 June 2026, at 00:01  (UTC) . Page was rendered with Parsoid . Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy . Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. , a non-profit organization. Privacy policy About Wikipedia Disclaimers Contact Wikipedia Legal & safety contacts Code of Conduct Developers Statistics Cookie statement Mobile view Search Search Toggle the table of contents HTML audio 7 languages Add topic 0