CINXE.COM
<!DOCTYPE html> <html lang="en" prefix="og: http://ogp.me/ns#" dir=ltr> <head> <meta name="viewport" content="width=device-width, initial-scale=1" /> <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> <title lang="en">AAC - Apple Support</title> <link rel="dns-prefetch" href="https://www.apple.com/" /> <link rel="preconnect" href="https://www.apple.com/" crossorigin /> <link rel="canonical" href="https://support.apple.com/en-asia/guide/music/aside/glosfba15bbe/mac" /> <meta name="description" content="" /> <meta property="og:url" content="https://support.apple.com/en-asia/guide/music/aside/glosfba15bbe/1.3/mac/13.0" /> <meta property="og:title" content="Apple Music User Guide" /> <meta property="og:description" content="" /> <meta property="og:site_name" content="Apple Support" /> <meta property="og:locale" content="en_ASIA" /> <meta property="og:type" content="article" /> <meta name="ac-gn-search-field[locale]" content="en_ASIA" /> <meta name="robots" content="none" /> <link rel="preload" as="style" href="/clientside/build/apd-sasskit.built.css" onload="this.onload=null;this.rel='stylesheet'"> <noscript> <link rel="stylesheet" href="/clientside/build/apd-sasskit.built.css" type="text/css" /> </noscript> <link rel="preload" as="style" href="/clientside/build/app-apd.css" onload="this.onload=null;this.rel='stylesheet'"> <noscript> <link rel="stylesheet" href="/clientside/build/app-apd.css" type="text/css" /> </noscript> <link rel="preload" as="style" href="//www.apple.com/wss/fonts?families=SF+Pro,v1:200,300,400,500,600|SF+Pro+Icons,v1" onload="this.onload=null;this.rel='stylesheet'"> <noscript> <link rel="stylesheet" href="//www.apple.com/wss/fonts?families=SF+Pro,v1:200,300,400,500,600|SF+Pro+Icons,v1" type="text/css" /> </noscript> <script> var _applemd = { page: { site_section: "kb", content_type: "bk", info_type: "", topics: "", in_house: "", locale: "en-asia", friendly_content: { title: `Apple Music User Guide`, publish_date: "03272023", topic_id: "GLOSFBA15BBE", article_id : "BK_4D9A9BDB82BAF0FE6D2468484262639A_GLOSFBA15BBE", product_version : "music, 1.3", os_version : "macOS Ventura 13, 13.0", article_version : "1" }, }, product: "music" , }; const isMobilePlayer = /iPhone|iPod|Android/i.test(navigator.userAgent); </script> <script> var data = { showHelpFulfeedBack: true, id: "BK_4D9A9BDB82BAF0FE6D2468484262639A_GLOSFBA15BBE", locale: "en_US", podCookie: "ap~en", source : "", isBlack: false, dtmPageSource: "", domain: "support.apple.com", isNeighborJsEnabled: true, dtmPageName: "acs.pageload" } window.appState = JSON.stringify(data); </script> <script src="/clientside/build/nn.js" type="text/javascript" charset="utf-8"></script> <script> var neighborInitData = { appDataSchemaVersion: '1.0.0', webVitalDataThrottlingPercentage: 100, reportThrottledWebVitalDataTypes: ['system:dom-content-loaded', 'system:load', 'system:unfocus', 'system:focus', 'system:unload', 'system:page-hide', 'system:visibility-change-visible', 'system:visibility-change-hidden', 'system:event', 'app:load', 'app:unload', 'app:event'], trackMarcomSearch: true, trackSurvey: true, endpoint: 'https://supportmetrics.apple.com/content/services/stats' } </script> </head> <body id="glosfba15bbe" dir="ltr" data-istaskopen="true" lang="en" class="ac-gn-current-support no-js Aside apd-topic dark-mode-enabled" data-designversion="2" itemscope itemtype="https://schema.org/TechArticle"> <div id="app"> <link rel="stylesheet" type="text/css" href="https://www.apple.com/api-www/global-elements/global-header/v1/assets/globalheader.css" /> <div id="globalheader" class="globalnav-scrim globalheader-light"> <nav id="globalnav" lang="en_AP" dir="ltr" aria-label="Global" data-analytics-element-engagement-start="globalnav:onFlyoutOpen" data-analytics-element-engagement-end="globalnav:onFlyoutClose" data-store-api="https://www.apple.com/[storefront]/shop/bag/status" data-analytics-activitymap-region-id="global nav" data-analytics-region="global nav" class="globalnav no-js" > <div class="globalnav-content"> <ul id="globalnav-list" class="globalnav-list" aria-labelledby="globalnav-menutrigger-button" > <li data-analytics-element-engagement="globalnav hover - apple" class="globalnav-item globalnav-item-apple" > <a href="https://www.apple.com/" data-globalnav-item-name="apple" data-analytics-title="apple home" aria-label="Apple" class="globalnav-link globalnav-link-apple" > <span class="globalnav-image-regular globalnav-link-image"> <svg height="44" viewBox="0 0 14 44" width="14" xmlns="http://www.w3.org/2000/svg" > <path d="m13.0729 17.6825a3.61 3.61 0 0 0 -1.7248 3.0365 3.5132 3.5132 0 0 0 2.1379 3.2223 8.394 8.394 0 0 1 -1.0948 2.2618c-.6816.9812-1.3943 1.9623-2.4787 1.9623s-1.3633-.63-2.613-.63c-1.2187 0-1.6525.6507-2.644.6507s-1.6834-.9089-2.4787-2.0243a9.7842 9.7842 0 0 1 -1.6628-5.2776c0-3.0984 2.014-4.7405 3.9969-4.7405 1.0535 0 1.9314.6919 2.5924.6919.63 0 1.6112-.7333 2.8092-.7333a3.7579 3.7579 0 0 1 3.1604 1.5802zm-3.7284-2.8918a3.5615 3.5615 0 0 0 .8469-2.22 1.5353 1.5353 0 0 0 -.031-.32 3.5686 3.5686 0 0 0 -2.3445 1.2084 3.4629 3.4629 0 0 0 -.8779 2.1585 1.419 1.419 0 0 0 .031.2892 1.19 1.19 0 0 0 .2169.0207 3.0935 3.0935 0 0 0 2.1586-1.1368z" ></path> </svg> </span> <span class="globalnav-image-compact globalnav-link-image"> <svg height="48" viewBox="0 0 17 48" width="17" xmlns="http://www.w3.org/2000/svg" > <path d="m15.5752 19.0792a4.2055 4.2055 0 0 0 -2.01 3.5376 4.0931 4.0931 0 0 0 2.4908 3.7542 9.7779 9.7779 0 0 1 -1.2755 2.6351c-.7941 1.1431-1.6244 2.2862-2.8878 2.2862s-1.5883-.734-3.0443-.734c-1.42 0-1.9252.7581-3.08.7581s-1.9611-1.0589-2.8876-2.3584a11.3987 11.3987 0 0 1 -1.9373-6.1487c0-3.61 2.3464-5.523 4.6566-5.523 1.2274 0 2.25.8062 3.02.8062.734 0 1.8771-.8543 3.2729-.8543a4.3778 4.3778 0 0 1 3.6822 1.841zm-6.8586-2.0456a1.3865 1.3865 0 0 1 -.2527-.024 1.6557 1.6557 0 0 1 -.0361-.337 4.0341 4.0341 0 0 1 1.0228-2.5148 4.1571 4.1571 0 0 1 2.7314-1.4078 1.7815 1.7815 0 0 1 .0361.373 4.1487 4.1487 0 0 1 -.9867 2.587 3.6039 3.6039 0 0 1 -2.5148 1.3236z" ></path> </svg> </span> <span class="globalnav-link-text"> Apple </span> </a> </li> </ul> </div> </nav> <div id="globalnav-curtain" class="globalnav-curtain"></div> <div id="globalnav-placeholder" class="globalnav-placeholder"></div> </div> <script type="text/javascript" src="https://www.apple.com/api-www/global-elements/global-header/v1/assets/globalheader.umd.js" ></script> <div id="arabic-localnav"> <input type='checkbox' id='localnav-menustate' class='localnav-menustate' /> <nav id='localnav-pattern' class='localnav' data-sticky aria-label='Local Navigation' > <div class='localnav-wrapper' role='presentation'> <div class='localnav-background'></div> <div class='localnav-content' role='presentation'> <span class='localnav-title'> <a href='https://support.apple.com/en-asia/guide/music/welcome/1.3/mac' data-ss-analytics-link-component_name='support' data-ss-analytics-link-component_type='local nav' data-ss-analytics-link-text='Apple Music User Guide' data-ss-analytics-link-url='https://support.apple.com/en-asia/guide/music/welcome/1.3/mac' data-ss-analytics-event='acs.link_click' >Apple Music User Guide</a> </span> <div class='localnav-menu' role='presentation'> <a href="#localnav-menustate" role="button" class='localnav-menucta-anchor localnav-menucta-anchor-open' id='localnav-menustate-open' > <span class='localnav-menucta-anchor-label'> Open Menu </span> </a> <a href='#localnav-menustate' role="button" class='localnav-menucta-anchor localnav-menucta-anchor-close' id='localnav-menustate-close' > <span class='localnav-menucta-anchor-label'> Close Menu </span> </a> <div class='localnav-menu-tray' role='presentation'> <ul class='localnav-menu-items'> <li class='localnav-menu-item'> <a href='https://discussions.apple.com/welcome' class='localnav-menu-link' data-ss-analytics-link-component_name='support' data-ss-analytics-link-component_type='local nav' data-ss-analytics-link-text='Communities' data-ss-analytics-link-url='https://discussions.apple.com/welcome' data-ss-analytics-event='acs.link_click' > Communities</a> </li> </ul> </div> <div class='localnav-actions'> <div class='localnav-action localnav-action-menucta' aria-hidden='true'> <label for='localnav-menustate' class='localnav-menucta'> <span class='localnav-menucta-chevron' ></span> </label> </div> </div> </div> </div> </div> </nav> <label id='localnav-curtain' class='localnav-curtain' htmlFor='localnav-menustate' ></label> </div> <div class="main" role="main"> <div id="glossary-wrapper"> <div class="main"> <div class="Aside apd-topic book book-content glossary Glossary"> <div id='glossary-definition-section'> <body class="Aside apd-topic dark-mode-enabled" dir="ltr" id="glosfba15bbe" data-istaskopen="true" data-designversion="2" lang="en"><a name="glosfba15bbe"></a><h2>AAC</h2><p>Abbreviation for <em>Advanced Audio Coding</em> (also called <em>MPEG-4</em>); a standard way of compressing and encoding digital audio. iPhone, iPad, and iPod can play AAC files.</p><p>AAC-encoded files rival the quality of audio CDs, and sound as good as or better than MP3 files encoded at the same or even a higher bit rate. For example, a 128 kbps AAC file should sound as good as or better than a 160 kbps MP3 file. Because the bit rate is lower, an AAC file is also smaller than an MP3 file. </p><p>AAC files allow you to store the most music on your hard disk or device. At the High Quality setting, AAC files use approximately 1 MB of disk space per minute.</p></body> </div> </div> </div> </div> </div> </div> <div class="footer-wrapper"> <footer id="ac-globalfooter" lang="en-asia" dir="ltr" class="js no-touch svg no-ie7 no-ie8 footer-global" data-analytics-region="global footer" role="contentinfo" aria-labelledby="ac-gf-label"> <div class="ac-gf-content"> <h2 class="ac-gf-label" id="ac-gf-label">Apple Footer</h2> <nav class="ac-gf-breadcrumbs" aria-label="Breadcrumbs" role="navigation"> <a href="https://www.apple.com/asia/" class="home ac-gf-breadcrumbs-home"> <span class="ac-gf-breadcrumbs-home-icon" aria-hidden="true"></span> <span class="ac-gf-breadcrumbs-home-label">Apple</span> <span class="ac-gf-breadcrumbs-home-chevron"></span> <span class="ac-gf-breadcrumbs-home-mask"></span> </a> <div class="ac-gf-breadcrumbs-path"> <ol class="ac-gf-breadcrumbs-list" vocab="http://schema.org/" typeof="BreadcrumbList"> <li class="ac-gf-breadcrumbs-item" property="itemListElement" typeof="ListItem"> <span property="name"> <a href="https://support.apple.com/en-asia">Support</a> </span> <meta property="position" content="1" /> </li> <li class="ac-gf-breadcrumbs-item" property="itemListElement" typeof="ListItem"> <span property="name"> <a href="https://support.apple.com/en-asia/guide/music/welcome/1.3/mac" data-ss-analytics-link-component_type="simple link" data-ss-analytics-link-component_name="breadcrumbs" data-ss-analytics-link-url="https://support.apple.com/en-asia/guide/music/welcome/1.3/mac" data-ss-analytics-link-text="Apple Music User Guide" data-ss-analytics-event='acs.link_click'>Apple Music User Guide</a> </span> <meta property="position" content="1" /> </li> <li class="ac-gf-breadcrumbs-item" property="itemListElement" typeof="ListItem"> <span property="name">AAC</span> <meta property="position" content="2" /> </li> </ol> </div> </nav> <section class="ac-gf-footer" vocab="https://schema.org/" typeof="Organization"> <div class="ac-gf-footer-shop" x-ms-format-detection="none"></div> <div class="ac-gf-footer-locale"> <a class="ac-gf-footer-locale-link" href="https://support.apple.com/guide/music/aside/glosfba15bbe/1.3/mac/13.0/localeselector" title="Choose your country or region" aria-label="Asia. Choose your country or region">Asia</a> </div> <div class="ac-gf-footer-legal"> <div class="ac-gf-footer-legal-copyright">Copyright © 2024 Apple Inc. All rights reserved.</div> <div class="ac-gf-footer-legal-links"> <a class="ac-gf-footer-legal-link analytics-exitlink" href="https://www.apple.com/privacy/privacy-policy/">Privacy Policy</a> <a class="ac-gf-footer-legal-link" href="https://www.apple.com/sitemap/">Site Map</a> </div> </div> <meta content="Apple" property="name"> <meta content="1-800-692-7753" property="telephone"> </section><link rel="stylesheet" type="text/css" href="https://www.apple.com/ac/globalfooter/3/en_US/styles/ac-globalfooter.built.css"> <script type="text/javascript" src="https://www.apple.com/ac/globalfooter/3/en_WW/scripts/ac-globalfooter.built.js"></script> </div> </footer> </div> <script src="https://support.apple.com/clientside/build/FujiStitchPath.js" type="text/javascript" charset="utf-8"></script> <script src="https://support.apple.com/clientside/build/apd-sasskit.built.js" type="text/javascript" charset="utf-8"></script> <script src="https://support.apple.com/clientside/build/app-apd-route.js" type="text/javascript" charset="utf-8"></script> <script src="https://support.apple.com/clientside/build/app-launch-route.js" type="text/javascript" charset="utf-8"></script> <script src="/etc/designs/support/publish/JS/pattern/accsoffer.js" type="text/javascript" charset="utf-8"></script> <script src="https://km.support.apple.com/clientside/build/launch.js" type="text/javascript" charset="utf-8"></script> <div id="apd-aria-live-region" aria-live="polite" role="status" class="a11y"></div> </body> </html>