note-to-frequency

!Node

> 🎼 Converts a note (scientific pitch notation) to a frequency

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``js

import noteToFrequency from 'note-to-frequency';

const frequency = noteToFrequency('A4');
console.log(frequency); // > 440

`

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Install via yarn

yarn add note-to-frequency (--dev)

or npm

npm install note-to-frequency (--save-dev)

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You can pass in extra options as a configuration object (➕ required, ➖ optional, ✏️ default)

`js

import noteToFrequency from 'note-to-frequency';

const frequency = noteToFrequency('C2', {base: 446, maxOctave: 4});
console.log(note); // > 66.3

`

➖ base ( Number ) ✏️ 440

📝 base frequency

➖ maxOctave ( Number ) ✏️ 8

📝 max octave allowed

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see example folder or the runkit example

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If you don't use a package manager, you can access note-to-frequency via unpkg (CDN), download the source, or point your package manager to the url.

note-to-frequency is compiled as a collection of CommonJS modules & ES2015 modules for bundlers that support the jsnext:main or module field in package.json (Rollup, Webpack 2)

The note-to-frequency package includes precompiled production and development UMD builds in the dist folder. They can be used directly without a bundler and are thus compatible with many popular JavaScript module loaders and environments. You can drop a UMD build as a