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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
