LibXtract  0.7.1
Functions
xtract_vector.h File Reference
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Functions

int xtract_spectrum (const double *data, const int N, const void *argv, double *result)
 Extract frequency domain spectrum from time domain signal. More...
 
int xtract_autocorrelation_fft (const double *data, const int N, const void *argv, double *result)
 Extract autocorrelation from time domain signal using FFT based method. More...
 
int xtract_mfcc (const double *data, const int N, const void *argv, double *result)
 Extract Mel Frequency Cepstral Coefficients based on a method described by Rabiner. More...
 
int xtract_dct (const double *data, const int N, const void *argv, double *result)
 Extract the Discrete Cosine transform of a time domain signal. More...
 
int xtract_autocorrelation (const double *data, const int N, const void *argv, double *result)
 Extract autocorrelation from time domain signal using time-domain autocorrelation technique. More...
 
int xtract_amdf (const double *data, const int N, const void *argv, double *result)
 Extract Average Magnitude Difference Function from time domain signal. More...
 
int xtract_asdf (const double *data, const int N, const void *argv, double *result)
 Extract Average Squared Difference Function from time domain signal. More...
 
int xtract_bark_coefficients (const double *data, const int N, const void *argv, double *result)
 Extract Bark band coefficients based on a method. More...
 
int xtract_peak_spectrum (const double *data, const int N, const void *argv, double *result)
 Extract the amplitude and frequency of spectral peaks from a magnitude spectrum. More...
 
int xtract_harmonic_spectrum (const double *data, const int N, const void *argv, double *result)
 Extract the harmonic spectrum of from a of a peak spectrum. More...
 
int xtract_lpc (const double *data, const int N, const void *argv, double *result)
 Extract Linear Predictive Coding Coefficients. More...
 
int xtract_lpcc (const double *data, const int N, const void *argv, double *result)
 Extract Linear Predictive Coding Cepstral Coefficients. More...
 
int xtract_subbands (const double *data, const int N, const void *argv, double *result)
 Extract subbands from a spectrum. More...
 

Detailed Description

: declares functions that extract a feature as a vector from an input vector