import FFT from 'music-tempo/src/FFT.js'

public class | source

FFT

Class containing methods for Fast Fourier Transform

Static Method Summary

Static Public Methods
public static	getHammingWindow(bufferSize: Number): Array Get Hamming window
public static	getSpectrum(re: Array, im: Array) Computes FFT and converts the results to magnitude representation

Get Hamming window

Name	Type	Attribute	Description
bufferSize	Number		windows size

wnd - Hamming window

Computes FFT and converts the results to magnitude representation

Name	Type	Attribute	Description
re	Array		the real part of the input data and the magnitude of the output data
im	Array		the imaginary part of the input data