Audio Formats—Wolfram Language Documentation

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fill="#306bb0"/> </symbol> </g> <g id="_noscript-icons"> <symbol id="_noscript-warning" viewBox="0 0 28.21 25"> <path d="M27.91,21.7L16.01,1.1c-.84-1.47-2.96-1.47-3.81,0L.3,21.7c-.85,1.47,.21,3.3,1.9,3.3H26c1.69,0,2.75-1.83,1.91-3.3ZM15.75,7.44l-.46,9.42h-2.37l-.48-9.42h3.31Zm-1.65,14.25c-1.12,0-1.87-.81-1.87-1.89s.77-1.89,1.87-1.89,1.83,.79,1.85,1.89c0,1.08-.73,1.89-1.85,1.89Z" fill="#f47821"/> <polygon points="15.77 7.47 15.31 16.89 12.94 16.89 12.46 7.47 15.77 7.47" fill="#fff"/> <path d="M14.1,21.69c-1.12,0-1.87-.81-1.87-1.89s.77-1.89,1.87-1.89,1.83,.79,1.85,1.89c0,1.08-.73,1.89-1.85,1.89Z" fill="#fff"/> </symbol> </g> </svg> </div>  <main class="main"> <div id="modern-header"> <h1>Wolfram Language & System 14.0 (2024)<span class="pipe">|</span>Legacy Documentation</h1> <div class="red">This is documentation for an earlier version of Wolfram Language.<a href="/language/" class="button">View current documentation (Version 14.1)</a></div> </div> <nav class="topContentWrap"><span class="badge">GUIDE</span><ul class="dropdown"> <li> <a href="#" class="menu see-also">Functions</a> <ul class="sub_menu"> <li> <a href="/legacy/language/v14/ref/AudioEncoding.html"><span class="dropdownPad">AudioEncoding</span></a> </li> <li> <a href="/legacy/language/v14/ref/CompressionLevel.html"><span class="dropdownPad">CompressionLevel</span></a> </li> <li> <a href="/legacy/language/v14/ref/Export.html"><span class="dropdownPad">Export</span></a> </li> <li> <a href="/legacy/language/v14/ref/Import.html"><span class="dropdownPad">Import</span></a> </li> <li> <a href="/legacy/language/v14/ref/SampleRate.html"><span class="dropdownPad">SampleRate</span></a> </li> </ul> </li> <li> <a href="#" class="menu related-guides">Related Guides</a> <ul class="sub_menu"> <li> <a href="/legacy/language/v14/guide/SoundAndSonification.html"><span class="dropdownPad">Sound & Sonification</span></a> </li> <li> <a href="/legacy/language/v14/guide/ListingOfAllFormats.html"><span class="dropdownPad">Listing of All Formats</span></a> </li> <li> <a href="/legacy/language/v14/guide/ImportingAndExporting.html"><span class="dropdownPad">Importing & Exporting</span></a> </li> <li> <a href="/legacy/language/v14/guide/AudioProcessing.html"><span class="dropdownPad">Audio Processing</span></a> </li> <li> <a href="/legacy/language/v14/guide/AudioRepresentation.html"><span class="dropdownPad">Audio Representation</span></a> </li> </ul> </li> <li> <a href="#" class="menu see-also">Tech Notes</a> <ul class="sub_menu"> <li> <a href="/legacy/language/v14/tutorial/ImportingAndExporting.html#21778"><span class="dropdownPad">Importing and Exporting Data</span></a> </li> <li> <a href="/legacy/language/v14/tutorial/TheStructureOfGraphicsAndSound.html#734"><span class="dropdownPad">Importing Graphics and Sounds</span></a> </li> </ul> </li> </ul></nav><div class="main-heading"><h1 class="main-title">Audio Formats</h1><div class="iconography" data-src="f= s= d= m= c= u= l= n= e="></div></div><p class="intro"><a name="21337"></a>The Wolfram Language supports all standard raster audio formats and codecs, with options to allow detailed control over encoding and compression. The Wolfram Language also allows conversion between MIDI and its integrated symbolic note-based audio representation. </p><div class="GuideDelimiterSubsection"></div><p class="singleFunction"><a name="1750174318"></a><span class="IFSans"><a href="/legacy/language/v14/ref/Import.html">Import</a></span> <span class="dash">—</span> import audio data as well as metadata</p><p class="singleFunction"><a name="1096249667"></a><span class="IFSans"><a href="/legacy/language/v14/ref/Export.html">Export</a></span> <span class="dash">—</span> export audio with specified options</p><h3><a name="294654781"></a>Sampled Audio</h3><p class="singleFunction"><a name="22197"></a><span class="IFSans"><a class="non-wl-link-grey" href="/legacy/language/v14/ref/format/AIFF.html">"AIFF"</a></span> <span class="dash">—</span> AIFF Macintosh sound format (.aif, .aiff)</p><p class="singleFunction"><a name="27505"></a><span class="IFSans"><a class="non-wl-link-grey" href="/legacy/language/v14/ref/format/AU.html">"AU"</a></span> <span class="dash">—</span> <span class="IF"><span class="TR"><span class="special-character Mu">μ</span></span></span> law encoding Unix Audio Format (.au)</p><p class="singleFunction"><a name="24897477"></a><span class="IFSans"><a class="non-wl-link-grey" href="/legacy/language/v14/ref/format/FLAC.html">"FLAC"</a></span> <span class="dash">—</span> FLAC lossless audio codec (.flac)</p><p class="singleFunction"><a name="29236"></a><span class="IFSans"><a class="non-wl-link-grey" href="/legacy/language/v14/ref/format/MP3.html">"MP3"</a></span> <span class="dash">—</span> MP3 format (.mp3)</p><p class="singleFunction"><a name="10357"></a><span class="IFSans"><a class="non-wl-link-grey" href="/legacy/language/v14/ref/format/SND.html">"SND"</a></span> <span class="dash">—</span> SND file format, equivalent to AU (.snd)</p><p class="singleFunction"><a name="6599"></a><span class="IFSans"><a class="non-wl-link-grey" href="/legacy/language/v14/ref/format/WAV.html">"WAV"</a></span> <span class="dash">—</span> Microsoft WAV format (.wav)</p><p class="singleFunction"><a name="383848100"></a><span class="IFSans"><a class="non-wl-link-grey" href="/legacy/language/v14/ref/format/Wave64.html">"Wave64"</a></span> <span class="dash">—</span> Sony Wave64 format (.w64)</p><h3><a name="165614285"></a>Note-Based Sound</h3><p class="singleFunction"><a name="985"></a><span class="IFSans"><a class="non-wl-link-grey" href="/legacy/language/v14/ref/format/MIDI.html">"MIDI"</a></span> <span class="dash">—</span> MIDI format (.mid)</p><div class="GuideDelimiterSubsection"></div><h3><a name="21447"></a>Common Elements</h3><p class="singleFunction"><a name="1034906946"></a>"Audio" <span class="dash">—</span> in-memory audio object that plays as the sound</p><p class="singleFunction"><a name="819303452"></a>"AudioFile" <span class="dash">—</span> audio object playing sound stored in a local file</p><p class="singleFunction"><a name="1084"></a>"Sound" <span class="dash">—</span> sound object that plays as the sound</p><p class="singleFunction"><a name="592"></a>"Data" <span class="dash">—</span> array of sampled amplitude values</p><p class="singleFunction"><a name="18725"></a>"Rules" <span class="dash">—</span> rules for elements</p><p class="singleFunction"><a name="340481483"></a>"Elements" <span class="dash">—</span> list of all available elements</p><div class="GuideDelimiterSubsection"></div><h3><a name="29855"></a>Options</h3><p class="inlineFunctionList"><a name="599752636"></a><span class="IFSans"><a href="/legacy/language/v14/ref/SampleRate.html">SampleRate</a></span><span class="special-character NonBreakingSpace"> </span><span class="inlineBullet"> ▪ </span> <span class="IFSans"><a href="/legacy/language/v14/ref/AudioEncoding.html">AudioEncoding</a></span><span class="special-character NonBreakingSpace"> </span><span class="inlineBullet"> ▪ </span> <span class="IFSans"><a href="/legacy/language/v14/ref/CompressionLevel.html">CompressionLevel</a></span></p><section id="RelatedTutorials" class="related-links"><div class="inner"> <h1>Related Tech Notes</h1> <ul class="functionList"> <span class="special-character FilledVerySmallSquare">▪</span> <li> <a href="/legacy/language/v14/tutorial/ImportingAndExporting.html#21778">Importing and Exporting Data</a> </li> <span class="special-character FilledVerySmallSquare">▪</span> <li> <a href="/legacy/language/v14/tutorial/TheStructureOfGraphicsAndSound.html#734">Importing Graphics and Sounds</a> </li> </ul> </div></section><section id="RelatedGuides" class="related-links"><div class="inner"> <h1>Related Guides</h1> <ul class="functionList"> <span class="special-character FilledVerySmallSquare">▪</span> <li> <a href="/legacy/language/v14/guide/SoundAndSonification.html">Sound & Sonification</a> </li> <span class="special-character FilledVerySmallSquare">▪</span> <li> <a href="/legacy/language/v14/guide/ListingOfAllFormats.html">Listing of All Formats</a> </li> <span class="special-character FilledVerySmallSquare">▪</span> <li> <a href="/legacy/language/v14/guide/ImportingAndExporting.html">Importing & Exporting</a> </li> <span class="special-character FilledVerySmallSquare">▪</span> <li> <a href="/legacy/language/v14/guide/AudioProcessing.html">Audio Processing</a> </li> <span class="special-character FilledVerySmallSquare">▪</span> <li> <a href="/legacy/language/v14/guide/AudioRepresentation.html">Audio Representation</a> </li> </ul> </div></section><section id="RelatedLinks" class="related-links"><div class="inner"> <h1>Related Links</h1> <ul class="functionList"> <li class="core-areas"> <a href="https://www.wolfram.com/language/core-areas/audio/">Wolfram Core Areas: Integrated Audio Computation</a> </li> </ul> </div></section> </div> <section class="feedback-wrapper"> <div class="inner"> <div class="feedback-content"> <button class="feedback"><span 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