Convert the audio playback speed to a number of semitones based on the chromatic scale.

Normal playback speed is 1.0, which is a pitch of 0 semitones.

🚀 Use

yarn add speed-to-semitones

⚡ Example

import speedToSemitones from 'speed-to-semitones'

const double = speedToSemitones(2) // returns the string 12
const moreDigits = speedToSemitones(2, 3) // returns the string 12.000