praat/melder/NUMear.h

#ifndef _NUMear_h_
#define _NUMear_h_
/* NUMear.h
 *
 * Copyright (C) 1992-2018 Paul Boersma
 *
 * This code is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This code is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this work. If not, see <http://www.gnu.org/licenses/>.
 */

/********** Auditory modelling **********/

double NUMhertzToBark (double hertz);
double NUMbarkToHertz (double bark);
double NUMphonToDifferenceLimens (double phon);
double NUMdifferenceLimensToPhon (double ndli);
double NUMsoundPressureToPhon (double soundPressure, double bark);
double NUMhertzToMel (double hertz);
double NUMmelToHertz (double mel);
double NUMhertzToSemitones (double hertz);
double NUMsemitonesToHertz (double semitones);
double NUMerb (double f);
double NUMhertzToErb (double hertz);
double NUMerbToHertz (double erb);

/* End of file NUMear.h */
#endif