sound.zrs.fft
Class FFT

java.lang.Object
  sound.zrs.fft.FFT

public class FFT
extends java.lang.Object

Constructor Summary

FFT()

Method Summary

static void	fft(double[][] x)
static void	fft(double[][] x, FFTArrays a)
static int	ilog2(int n)
static void	invfft(double[][] x)
static void	invfft(double[][] x, FFTArrays a)
static int	ipow(int a, int b)
static void	normalize(double[][] x)
static void	realfftmag(double[] data)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FFT

public FFT()

Method Detail

fft

public static void fft(double[][] x,
                       FFTArrays a)

fft

public static void fft(double[][] x)

invfft

public static void invfft(double[][] x,
                          FFTArrays a)

invfft

public static void invfft(double[][] x)

normalize

public static void normalize(double[][] x)

realfftmag

public static void realfftmag(double[] data)

ipow

public static int ipow(int a,
                       int b)

ilog2

public static int ilog2(int n)