{"id":4362,"date":"2025-05-20T13:50:53","date_gmt":"2025-05-20T13:50:53","guid":{"rendered":"https:\/\/tuttodigitale.net\/mobiletech\/sbc-codec\/"},"modified":"2025-05-20T13:50:53","modified_gmt":"2025-05-20T13:50:53","slug":"sbc-codec","status":"publish","type":"post","link":"https:\/\/tuttodigitale.net\/mobiletech\/sbc-codec\/","title":{"rendered":"SBC Codec: Fondamentale per Bluetooth"},"content":{"rendered":"<p>The <strong>SBC codec<\/strong> (Subband Coding or Low Complexity Subband Codec) remains, as of 2025, the default and mandatory Bluetooth audio codec used in the majority of wireless audio and telephony devices <sup class='quote-ref' data-quote='1'>[1]<\/sup> <sup class='quote-ref' data-quote='2'>[2]<\/sup> <sup class='quote-ref' data-quote='3'>[3]<\/sup>. It provides universal compatibility, low processing demands, and is freely available, which ensures its continued prevalence in budget devices and legacy systems even as newer codecs emerge <sup class='quote-ref' data-quote='3'>[3]<\/sup> <sup class='quote-ref' data-quote='4'>[4]<\/sup>.<\/p>\n<p>Key technical details for SBC in 2025:<\/p>\n<ul>\n<li><strong>Bitrate:<\/strong> Typically 192\u2013345 kbps (up to ~345 kbps in most devices) <sup class='quote-ref' data-quote='3'>[3]<\/sup> <sup class='quote-ref' data-quote='4'>[4]<\/sup>.<\/li>\n<li><strong>Sampling rates:<\/strong> 16, 32, 44.1, and 48 kHz <sup class='quote-ref' data-quote='3'>[3]<\/sup> <sup class='quote-ref' data-quote='4'>[4]<\/sup> <sup class='quote-ref' data-quote='5'>[5]<\/sup>.<\/li>\n<li><strong>Mandatory for Bluetooth A2DP profile:<\/strong> All Bluetooth audio devices must support SBC under A2DP; it is the fallback when higher-end codecs are unavailable <sup class='quote-ref' data-quote='5'>[5]<\/sup> <sup class='quote-ref' data-quote='9'>[9]<\/sup>.<\/li>\n<li><strong>Compression:<\/strong> SBC is lossy, so some fidelity is sacrificed for efficient transmission, but at its highest quality settings, it is close to CD-quality for most listeners, though audiophiles can notice differences with premium headphones <sup class='quote-ref' data-quote='2'>[2]<\/sup> <sup class='quote-ref' data-quote='4'>[4]<\/sup> <sup class='quote-ref' data-quote='5'>[5]<\/sup>.<\/li>\n<\/ul>\n<p><strong>Future and 2025 status:<\/strong><\/p>\n<ul>\n<li>While <strong>SBC is not being phased out in 2025<\/strong>, its role is now mostly focused on broad compatibility and entry-level audio. The introduction of <strong>LE Audio<\/strong> and the <strong>LC3 codec<\/strong> (Low Complexity Communication Codec) offers better efficiency, higher quality at lower bitrates, and more features, and is expected to become standard in new and premium Bluetooth devices <sup class='quote-ref' data-quote='1'>[1]<\/sup> <sup class='quote-ref' data-quote='3'>[3]<\/sup> <sup class='quote-ref' data-quote='5'>[5]<\/sup>.<\/li>\n<li>LC3 adoption is accelerating, but SBC remains essential for ensuring interoperability, especially with legacy devices and lower-cost products <sup class='quote-ref' data-quote='3'>[3]<\/sup>.<\/li>\n<\/ul>\n<p><strong>Limitations in 2025:<\/strong><\/p>\n<ul>\n<li>Does not support true high-resolution or lossless audio; limited to maximum 16-bit\/48kHz and ~345 kbps <sup class='quote-ref' data-quote='3'>[3]<\/sup> <sup class='quote-ref' data-quote='4'>[4]<\/sup> <sup class='quote-ref' data-quote='5'>[5]<\/sup>.<\/li>\n<li>Some latency, making it suboptimal for gaming or low-latency applications compared to modern alternatives <sup class='quote-ref' data-quote='5'>[5]<\/sup>.<\/li>\n<li>Compression artifacts and slight loss of detail can be apparent on high-end gear or at low bitpool (quality) settings <sup class='quote-ref' data-quote='4'>[4]<\/sup>.<\/li>\n<\/ul>\n<p><strong>Summary:<\/strong><br \/>\nIn 2025, <strong>SBC remains the foundational \u201cuniversal\u201d Bluetooth audio codec<\/strong>, mandatory for all devices, reliable for general use, but surpassed in fidelity and efficiency by emerging codecs like LC3 in the latest devices <sup class='quote-ref' data-quote='1'>[1]<\/sup> <sup class='quote-ref' data-quote='3'>[3]<\/sup> <sup class='quote-ref' data-quote='5'>[5]<\/sup>. For most listeners and mainstream headphones, SBC provides satisfactory audio quality and wide compatibility, but those seeking superior audio will find better experiences using devices that support newer codecs.<\/p>\n<script>const sources = [[1,\"https:\/\/en.wikipedia.org\/wiki\/SBC_(codec)\",\"SBC (codec)\",\"SBC, or low-complexity subband codec, is an audio subband codec specified by the Bluetooth Special Interest Group (SIG) for the Advanced Audio Distribution Profile (A2DP). SBC is a digital audio encoder and decoder used to transfer data to Bluetooth audio output devices like headphones or loudspeakers. It can also be used on the Internet. It was designed with Bluetooth bandwidth limitations and processing power in mind to obtain a reasonably good audio quality at medium bit rates with low...\"],[2,\"https:\/\/www.nfon.com\/en\/get-started\/cloud-telephony\/lexicon\/knowledge-base-detail\/sbc-codec\/\",\"SBC codec in the telephony environment\",\"In our glossary, we explain the most important terminology in the field of VoIP. Learn more about SBC Codec and which role it plays in VoIP telephony.\"],[3,\"https:\/\/blafili.com\/2025\/04\/12\/mastering-the-sbc-codec\/\",\"Beyond Basic Audio: Mastering the SBC Codec.\",\"Not all audio codecs are equal. Beyond Basic Audio: Mastering the SBC Codec teaches you to harness its full, underrated power.\"],[4,\"https:\/\/www.coconut.co\/articles\/sbc-vs-aac-best-bluetooth-audio-codec-unveiled\",\"Discover the Top Bluetooth Audio Codec: SBC vs. AAC\",\"Find out what sets the AAC Bluetooth codec apart from the SBC codec and which one provides superior audio for your devices.\"],[5,\"https:\/\/www.pcmag.com\/how-to\/what-are-bluetooth-codecs-a-guide-to-everything-from-aac-to-sbc\",\"What Are Bluetooth Codecs? A Guide to Everything ...\",\"We demystify the most common Bluetooth codecs and explain why they matter for audio quality.\"],[6,\"https:\/\/headphonesaddict.com\/bluetooth-codecs\/\",\"Bluetooth Codecs: The Ultimate Guide (2025)\",\"Heureka.cz v\u00e1m porad\u00ed, jak vyb\u00edrat hevery. M\u00e1te vybran\u00e9 filtry: m\u00e9n\u011b ne\u017e 700 K\u010d, Petex, 4 \u2013 10 t, n\u016f\u017ekov\u00fd, 28,91 \u2013 42,5 kg, 135 \u2013 148 mm, 365 \u2013 410 mm, Poj\u00edzdn\u00fd\"],[7,\"https:\/\/www.soundguys.com\/understanding-bluetooth-codecs-15352\/\",\"Understanding Bluetooth codecs\",\"Want to know more about wireless audio? Take our crash course in Bluetooth codecs, bitrate, standards, and uses from SBC to LDAC and more.\"],[8,\"https:\/\/www.qcy.com\/blogs\/tech\/what-is-ldac-aac-aptx-lhdc-sbc-dsee-extreme-and-whats-their-differences\",\"What is LDAC, AAC, aptx, LHDC, SBC, DSEE Extreme\uff1f ...\",\"Here\u2019s an overview of LDAC, AAC, aptX, LHDC, SBC, and DSEE Extreme, which are key audio codecs and technologies used in wireless audio, especially in Bluetooth headphones and earbuds: Comparison Table of Bluetooth Audio Codecs Codec Max Bitrate Audio Quality Latency Best For SBC 328 kbps Basic, lossy High General Bluetooth audio AAC 320 kbps Good (best on Apple) Medium Streaming, Apple devices aptX 352 kbps Near-CD quality Low Gaming, Android devices aptX HD 576 kbps High-definition quality...\"],[9,\"https:\/\/www.feasycom.com\/cs\/sbc-aac-and-aptx-which-bluetooth-codec-is-better\/\",\"SBC, AAC and aptX which Bluetooth Codec is better?\",\"The 3 main codecs that most listeners are familiar with are SBC, AAC and aptX:\"],[10,\"https:\/\/github.com\/google\/libsbc\",\"google\/libsbc\",\"Contribute to google\/libsbc development by creating an account on GitHub.\"]];<\/script>\n","protected":false},"excerpt":{"rendered":"<p>The SBC codec (Subband Coding or Low Complexity Subband Codec) remains, as of 2025, the default and mandatory Bluetooth audio codec used in the majority of wireless audio and telephony devices [1] [2] [3]. It provides universal compatibility, low processing demands, and is freely available, which ensures its continued prevalence in budget devices and legacy &#8230; <a title=\"SBC Codec: Fondamentale per Bluetooth\" class=\"read-more\" href=\"https:\/\/tuttodigitale.net\/mobiletech\/sbc-codec\/\" aria-label=\"Per saperne di pi\u00f9 su SBC Codec: Fondamentale per Bluetooth\">Leggi tutto<\/a><\/p>\n","protected":false},"author":429,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1044],"tags":[],"class_list":["post-4362","post","type-post","status-publish","format-standard","hentry","category-tecnologia-audio"],"_links":{"self":[{"href":"https:\/\/tuttodigitale.net\/mobiletech\/wp-json\/wp\/v2\/posts\/4362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tuttodigitale.net\/mobiletech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tuttodigitale.net\/mobiletech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tuttodigitale.net\/mobiletech\/wp-json\/wp\/v2\/users\/429"}],"replies":[{"embeddable":true,"href":"https:\/\/tuttodigitale.net\/mobiletech\/wp-json\/wp\/v2\/comments?post=4362"}],"version-history":[{"count":0,"href":"https:\/\/tuttodigitale.net\/mobiletech\/wp-json\/wp\/v2\/posts\/4362\/revisions"}],"wp:attachment":[{"href":"https:\/\/tuttodigitale.net\/mobiletech\/wp-json\/wp\/v2\/media?parent=4362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tuttodigitale.net\/mobiletech\/wp-json\/wp\/v2\/categories?post=4362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tuttodigitale.net\/mobiletech\/wp-json\/wp\/v2\/tags?post=4362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}