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<h1 id="firstHeading" class="firstHeading" lang="en">Nyquist</h1>
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<div id="siteSub">From Audacity Development Manual</div>
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<div id="jump-to-nav" class="mw-jump">Jump to: <a href="#column-one">navigation</a>, <a href="https://alphamanual.audacityteam.org/man/Nyquist#searchInput">search</a></div>
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<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><div class="intro"> Nyquist is a programming language for sound synthesis and analysis based on the Lisp programming language. It is an extension of the XLISP dialect of Lisp, and is named after <a rel="nofollow" class="external text" href="https://en.wikipedia.org/wiki/Harry_Nyquist">Harry Nyquist</a>. It can be used to write plugin effects for Audacity.
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The Nyquist programming language and interpreter were written by Roger Dannenberg at Carnegie Mellon University, with support from Yamaha Corporation and IBM. </div>
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<h2><span class="mw-headline" id="Contents">Contents</span></h2>
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<ol><li><a href="#program">Nyquist Programming</a></li>
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<li><a href="#start">Getting Started</a></li>
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<li><a href="#available">Existing Nyquist plugins available for download</a></li>
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<li><a href="#advanced">Advanced Nyquist</a></li></ol>
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<p><br />
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<div id="program"></div>
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<h2><span class="mw-headline" id="Nyquist_Programming">Nyquist Programming</span></h2>
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<p>Nyquist was written by <a rel="nofollow" class="external text" href="http://www-2.cs.cmu.edu/%7Erbd/">Roger B. Dannenberg</a> and was intended to be used as a complete programming language for audio synthesis and analysis, with support for MIDI, audio recording and playback, file I/O, object-oriented programming, profiling, debugging and more.
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</p><p>Audacity uses a subset of Nyquist's functionality, allowing you to use Nyquist functions in Audacity. Audacity also provides additional features and commands for Nyquist, including the ability to create plugins.
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</p>
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<div id="start"></div>
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<h2><span class="mw-headline" id="Getting_Started">Getting Started</span></h2>
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<p>The following are a set of three linked tutorials to help get you started with programming in Nyquist for Audacity.
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</p>
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<ul><li><a href="nyquist_prompt.html" title="Nyquist Prompt">The Nyquist Prompt tool</a></li>
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<li><a href="introduction_to_nyquist_and_lisp_programming.html" title="Introduction to Nyquist and Lisp Programming">Introduction to Nyquist and Lisp Programming</a></li>
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<li><a href="programming_in_nyquist.html" title="Programming in Nyquist">Programming in Nyquist</a></li>
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<li><a href="creating_nyquist_plug_ins.html" title="Creating Nyquist Plug-ins">Creating Nyquist Plugins</a></li></ul>
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<p><br />
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</p>
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<div id="available"></div>
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<h2><span class="mw-headline" id="Existing_Nyquist_plugins_available_for_download">Existing Nyquist plugins available for download</span></h2>
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<ul><li><a rel="nofollow" class="external text" href="https://plugins.audacityteam.org/nyquist-plugins/effect-plugins">Effect plugins</a></li>
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<li><a rel="nofollow" class="external text" href="https://plugins.audacityteam.org/nyquist-plugins/generator-plugins">Generator plugins</a></li></ul>
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<p><br />
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</p>
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<div id="advanced"></div>
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<h2><span class="mw-headline" id="Advanced_Nyquist">Advanced Nyquist</span></h2>
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<p>See: <a rel="nofollow" class="external text" href="https://plugins.audacityteam.org/contributing/developing-your-own-plugins-and-scripts/creating-your-own-nyquist-plugins"><b>Creating your own Nyquist Plugins</b></a> in the Audacity Support site.
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<h3>Navigation</h3>
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<ul><li> <a href="../index.html" title="Main Page"><span title="Front page, complete with clickable image of Audacity screen.">Manual Home Page</span></a>
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<ul><li> <a href="../quick_help.html" title="Quick Help"><span title="A brief guide to help you get started with Audacity">Getting Started</span></a></li>
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<li> <a href="digital_audio.html" title="Digital Audio"><span title="A beginner's guide to digital audio">Digital Audio</span></a></li>
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<li> <a href="glossary.html" title="Glossary"><span title="Brief explanations of technical terms related to digital audio, with some links to Wikipedia for much more comprehensive explanations">Glossary</span></a></li>
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<li> <a href="scripting_reference.html" title="Scripting Reference"><span title="Audacity Commands that are in menus, that can be used from Macros, Nyquist and Python">All Commands</span></a></li>
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<div align="center"><ul id="f_list"><li>This version created on 2025-12-04 - <a href="https://alphamanual.audacityteam.org/man/Nyquist">Check current version of this page (development Manual)</a></li></ul></div>
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