--- title: Stop blaming your receiver—this 40-year-old AV standard... description: TOSLINK (Toshiba Link), the optical audio standard developed in the 1980s for CD players, is fundamentally limited by its LED-based bandwidth. It handles... canonical: https://daily.dev/posts/stop-blaming-your-receiver-this-40-year-old-av-standard-is-killing-your-surround-sound-xuaytgdlc twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Stop blaming your receiver—this 40-year-old AV standard is killing your surround sound | daily.dev og:description: TOSLINK (Toshiba Link), the optical audio standard developed in the 1980s for CD players, is fundamentally limited by its LED-based bandwidth. It handles... og:url: https://daily.dev/posts/stop-blaming-your-receiver-this-40-year-old-av-standard-is-killing-your-surround-sound-xuaytgdlc og:image: https://api.daily.dev/og/posts/xuAytgdlc.png og:image:alt: Stop blaming your receiver—this 40-year-old AV standard is killing your surround sound og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Stop blaming your receiver—this 40-year-old AV standard is killing your surround sound **[XDA Developers](https://daily.dev/sources/xda-developers)** · 4 min read · 0 upvotes · 0 comments ## Summary TOSLINK (Toshiba Link), the optical audio standard developed in the 1980s for CD players, is fundamentally limited by its LED-based bandwidth. It handles stereo PCM well but cannot support multichannel uncompressed audio or modern codecs like Dolby Atmos. HDMI eARC is the modern replacement, offering the bandwidth needed for 5.1, 7.1, and object-based surround sound formats. TOSLINK also has physical limitations including signal degradation over 20 feet and sensitivity to tight bends. For anyone building a home theater beyond basic stereo, switching from TOSLINK to HDMI eARC is the recommended path. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Your soundbar's HDMI port is lying to you, and PC gamers need to know why](https://daily.dev/posts/your-soundbar-s-hdmi-port-is-lying-to-you-and-pc-gamers-need-to-know-why-5gzr1s9qs) · XDA Developers · 0 upvotes · 0 comments - [Your surround sound depends on one streaming box spec that nobody lists](https://daily.dev/posts/your-surround-sound-depends-on-one-streaming-box-spec-that-nobody-lists-o1jqzsasa) · XDA Developers · 0 upvotes · 0 comments - [Your soundbar's Dolby Atmos is probably fake, and your room is to blame](https://daily.dev/posts/your-soundbar-s-dolby-atmos-is-probably-fake-and-your-room-is-to-blame-0s5vurkbm) · XDA Developers · 0 upvotes · 0 comments - [Pi 5 Becomes ALSA-Compatible TOSLINK Sound Card](https://daily.dev/posts/pi-5-becomes-alsa-compatible-toslink-sound-card-w5bfkh8pz) · Hackaday · 0 upvotes · 0 comments --- [View this post on daily.dev](https://daily.dev/posts/stop-blaming-your-receiver-this-40-year-old-av-standard-is-killing-your-surround-sound-xuaytgdlc) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Stop blaming your receiver—this 40-year-old AV standard is killing your surround sound","url":"https://daily.dev/posts/stop-blaming-your-receiver-this-40-year-old-av-standard-is-killing-your-surround-sound-xuaytgdlc","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/stop-blaming-your-receiver-this-40-year-old-av-standard-is-killing-your-surround-sound-xuaytgdlc"},"datePublished":"2026-04-13T15:35:17.916Z","dateModified":"2026-04-13T15:35:41.961Z","description":"TOSLINK (Toshiba Link), the optical audio standard developed in the 1980s for CD players, is fundamentally limited by its LED-based bandwidth. 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