{"id":1977,"date":"2026-06-29T10:00:00","date_gmt":"2026-06-29T08:00:00","guid":{"rendered":"https:\/\/www.pcjv.de\/?p=1977"},"modified":"2026-07-24T17:20:43","modified_gmt":"2026-07-24T15:20:43","slug":"algo-a-dsp-suite-in-go","status":"publish","type":"post","link":"https:\/\/www.pcjv.de\/?p=1977","title":{"rendered":"algo-*: a DSP suite in Go"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Fast forward to today. Most of my current code is written in Go, and the largest chunk of it is a family of DSP libraries under the <strong>algo-*<\/strong> umbrella \u2014 the direct descendant of everything the retrospective posts described, rebuilt on a modern stack.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">The core<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/github.com\/CWBudde\/algo-dsp\" target=\"_blank\" rel=\"noopener\">algo-dsp<\/a> is the heart: production-quality DSP algorithms for Go, deliberately algorithm-centric and transport-agnostic \u2014 no UI, no audio device, no file format dependencies. Just the math, tested and benchmarked. Underneath it sits <a href=\"https:\/\/github.com\/CWBudde\/algo-fft\" target=\"_blank\" rel=\"noopener\">algo-fft<\/a>, an FFT with hand-written assembly where it counts \u2014 twenty years after I was optimizing blend loops in Graphics32 with SSE2, I am optimizing butterflies the same way.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The satellites<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Around the core, the suite splits by domain: <a href=\"https:\/\/github.com\/CWBudde\/algo-vecmath\" target=\"_blank\" rel=\"noopener\">algo-vecmath<\/a> for SIMD vector math, <a href=\"https:\/\/github.com\/CWBudde\/algo-pde\" target=\"_blank\" rel=\"noopener\">algo-pde<\/a> for spectral PDE solvers, <a href=\"https:\/\/github.com\/CWBudde\/algo-approx\" target=\"_blank\" rel=\"noopener\">algo-approx<\/a> for fast function approximations (the spiritual heir of those ten tanh() approximations from the SynthEdit days), and <a href=\"https:\/\/github.com\/CWBudde\/algo-acoustics\" target=\"_blank\" rel=\"noopener\">algo-acoustics<\/a> for room acoustics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Instruments<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The newest branch is physical modeling and synthesis: <a href=\"https:\/\/github.com\/CWBudde\/algo-piano\" target=\"_blank\" rel=\"noopener\">algo-piano<\/a>, <a href=\"https:\/\/github.com\/CWBudde\/algo-glockenspiel\" target=\"_blank\" rel=\"noopener\">algo-glockenspiel<\/a> and a drum machine (<a href=\"https:\/\/github.com\/CWBudde\/algo-drum\" target=\"_blank\" rel=\"noopener\">algo-drum<\/a>, in TypeScript, because instruments want a UI). The Fibonacci synthesizer I once wrote for a university publication would fit right in here \u2014 some threads really do run for twenty years.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Everything is developed in the open, as always: <a href=\"https:\/\/github.com\/CWBudde\" target=\"_blank\" rel=\"noopener\">github.com\/CWBudde<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fast forward to today. Most of my current code is written in Go, and the largest chunk of it is a family of DSP libraries under the algo-* umbrella \u2014 the direct descendant of everything the retrospective posts described, rebuilt on a modern stack.<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,41],"tags":[],"class_list":["post-1977","post","type-post","status-publish","format-standard","hentry","category-dsp","category-go"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>algo-*: a DSP suite in Go - Christian&#039;s private site<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pcjv.de\/?p=1977\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Christian\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1977#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1977\"},\"author\":{\"name\":\"Christian\",\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/#\\\/schema\\\/person\\\/79b654f8c2fb5bf9405ccc4cb1c11880\"},\"headline\":\"algo-*: a DSP suite in Go\",\"datePublished\":\"2026-06-29T08:00:00+00:00\",\"dateModified\":\"2026-07-24T15:20:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1977\"},\"wordCount\":209,\"articleSection\":[\"DSP\",\"Go\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1977\",\"url\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1977\",\"name\":\"algo-*: a DSP suite in Go - Christian&#039;s private site\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/#website\"},\"datePublished\":\"2026-06-29T08:00:00+00:00\",\"dateModified\":\"2026-07-24T15:20:43+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/#\\\/schema\\\/person\\\/79b654f8c2fb5bf9405ccc4cb1c11880\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1977#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.pcjv.de\\\/?p=1977\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1977#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.pcjv.de\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"algo-*: a DSP suite in Go\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/#website\",\"url\":\"https:\\\/\\\/www.pcjv.de\\\/\",\"name\":\"Christian&#039;s private site\",\"description\":\"Private site of Christian-W. 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