Edinburgh Speech Tools  2.1-release
EST_fft.h File Reference
#include "EST_Wave.h"
#include "EST_Track.h"
#include "EST_FMatrix.h"
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Functions

int slowFFT (EST_FVector &real, EST_FVector &imag)
 Basic in-place FFT. More...
 
int FFT (EST_FVector &real, EST_FVector &imag)
 Alternate name for slowFFT. More...
 
int slowIFFT (EST_FVector &real, EST_FVector &imag)
 Basic inverse in-place FFT. More...
 
int IFFT (EST_FVector &real, EST_FVector &imag)
 Alternate name for slowIFFT. More...
 
int power_spectrum (EST_FVector &real, EST_FVector &imag)
 Power spectrum using the fastFFT function. More...
 
int power_spectrum_slow (EST_FVector &real, EST_FVector &imag)
 Power spectrum using the slowFFT function. More...
 
int fastFFT (EST_FVector &invec)
 Fast FFT An optimised implementation by Tony Robinson to be used in preference to slowFFT. More...
 
int fastlog2 (int)