pitchplease v1.3.1
Pitch Please
A package made in Typescript to process sound to detect pitch.
Installation
npm install pitchplease or yarn add pitchplease
To import pitchplease:
import * as PitchPlease from 'pitchplease'
API
calculateAmplitudes
Uses the Fourier decomposition function to break down the sound wave into several pitches.
interpretCorrelations
findDominantFrequency
Find the dominant frequency given within the notes frequencies.
computeMagnitudes
Compute the (squared) magnitudes of the complex amplitudes for each note frequency
calculateAverageMagnitudeValues
Calculates the average magnitude values.
findMaximumMagnitude
Find the maximum magnitude in the array.
calcNotesFreq
Calculates the frequencies of the notes given.
calcEqualTemperamentFreq
The equal temperament is the most widely used tuning system, dividing the intervals into equal steps (fn = f0 * (A)n).
getScalesWithinRange
Given the starting and ending notes, it calculates all the notes in between.
getAllFrequencies
Gets the frequencies of all given notes on an array.