LibXtract 0.6.2

/usr/src/packages/BUILD/libxtract-0.6.2/xtract/xtract_scalar.h

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00001 /* libxtract feature extraction library
00002  *  
00003  * Copyright (C) 2006 Jamie Bullock
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
00018  * USA.
00019  */
00020 
00023 #ifndef XTRACT_SCALAR_H
00024 #define XTRACT_SCALAR_H
00025 
00026 #ifdef __cplusplus
00027 extern "C" {
00028 #endif
00029 
00038 void test(void);
00039 
00047 int xtract_mean(const float *data, const int N, const void *argv, float *result);
00048 
00056 int xtract_variance(const float *data, const int N, const void *argv, float *result);
00057 
00065 int xtract_standard_deviation(const float *data, const int N, const void *argv, float *result);
00066 
00074 int xtract_average_deviation(const float *data, const int N, const void *argv, float *result);
00075 
00083 int xtract_skewness(const float *data, const int N, const void *argv,  float *result);
00084 
00092 int xtract_kurtosis(const float *data, const int N, const void *argv,  float *result);
00093 
00101 int xtract_spectral_mean(const float *data, const int N, const void *argv, float *result);
00102 
00111 int xtract_spectral_variance(const float *data, const int N, const void *argv, float *result);
00112 
00120 int xtract_spectral_standard_deviation(const float *data, const int N, const void *argv, float *result);
00121 
00129 int xtract_spectral_average_deviation(const float *data, const int N, const void *argv, float *result);
00130 
00138 int xtract_spectral_skewness(const float *data, const int N, const void *argv,  float *result);
00139 
00147 int xtract_spectral_kurtosis(const float *data, const int N, const void *argv,  float *result);
00148 
00159 int xtract_spectral_centroid(const float *data, const int N, const void *argv,  float *result);
00160 
00168 int xtract_irregularity_k(const float *data, const int N, const void *argv, float *result);
00169 
00177 int xtract_irregularity_j(const float *data, const int N, const void *argv, float *result);
00178 
00189 int xtract_tristimulus_1(const float *data, const int N, const void *argv, float *result);
00190 int xtract_tristimulus_2(const float *data, const int N, const void *argv, float *result);
00191 int xtract_tristimulus_3(const float *data, const int N, const void *argv, float *result);
00192 
00200 int xtract_smoothness(const float *data, const int N, const void *argv, float *result);
00201 
00209 int xtract_spread(const float *data, const int N, const void *argv, float *result);
00210 
00211 /* Zero crossing rate */
00212 
00220 int xtract_zcr(const float *data, const int N, const void *argv, float *result);
00221 
00229 int xtract_rolloff(const float *data, const int N, const void *argv, float *result);
00230 
00241 int xtract_loudness(const float *data, const int N, const void *argv, float *result);
00242 
00252 int xtract_flatness(const float *data, const int N, const void *argv, float *result);
00253 
00264 int xtract_flatness_db(const float *data, const int N, const void *argv, float *result);
00265 
00273 int xtract_tonality(const float *data, const int N, const void *argv, float *result);
00274 
00282 int xtract_noisiness(const float *data, const int N, const void *argv, float *result);
00283 
00291 int xtract_rms_amplitude(const float *data, const int N, const void *argv, float *result);
00292 
00300 int xtract_spectral_inharmonicity(const float *data, const int N, const void *argv, float *result);
00301 
00309 int xtract_crest(const float *data, const int N, const void *argv, float *result);
00310     
00318 int xtract_power(const float *data, const int N, const void *argv, float *result);
00319     
00320 /* Odd to even harmonic ratio */
00328 int xtract_odd_even_ratio(const float *data, const int N, const void *argv, float *result);
00329 
00337 int xtract_sharpness(const float *data, const int N, const void *argv, float *result);
00338 
00346 int xtract_spectral_slope(const float *data, const int N, const void *argv, float *result);
00347 
00356 int xtract_lowest_value(const float *data, const int N, const void *argv, float *result);
00357 
00366 int xtract_highest_value(const float *data, const int N, const void *argv, float *result);
00367 
00376 int xtract_sum(const float *data, const int N, const void *argv, float *result);
00377 
00387 int xtract_hps(const float *data, const int N, const void *argv, float *result);
00388 
00401 int xtract_f0(const float *data, const int N, const void *argv, float *result);
00402 
00413 int xtract_failsafe_f0(const float *data, const int N, const void *argv, float *result);
00414 
00423 int xtract_nonzero_count(const float *data, const int N, const void *argv, float *result);
00424 
00427 #ifdef __cplusplus
00428 }
00429 #endif
00430 
00431 #endif
00432 
00433 
00434