A utility library for calculating musical information e.g. a note from a frequency
A utility library for calculating musical information e.g. a note from a frequency
$ npm install --save music-math
var Frequency = require('music-math').Frequency;
var freqDetails = Frequency(440)
console.log(JSON.stringify(freqDetails))
//=> {"frequency":440,"noteNumber":57,"note":"A","octave":4,"offset":0}
numberThe frequency to perform calculations on (in Hz).
Returns an object with the following properties (lazily calculated first time you request them):
numberThe frequency of the note (in Hz)
numberThe number of the [closest matching] note in the scale
stringThe [closest matching] note in the scale
numberThe octave the frequency resides in
numberThe measure of how off pitch the frequency is from the closest matching note (in cents)
This utility was pulled out of a little fun side project I was working on - I am by no means versed in musical theory. I would be immensely grateful of any help especially in the form of:
All pull requests / issues / feedback welcome :) Thanks!
npm run build
npm test
To watch for changes, build them and run the tests:
npm run watch
MIT © James Bunt
FAQs
A utility library for calculating musical information e.g. a note from a frequency
The npm package music-math receives a total of 2 weekly downloads. As such, music-math popularity was classified as not popular.
We found that music-math demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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