2 Copyright (C) 2003 Paul Brossier
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 /* This algorithm was developped by A. de Cheveigne and H. Kawahara and
22 * de Cheveigné, A., Kawahara, H. (2002) "YIN, a fundamental frequency
23 * estimator for speech and music", J. Acoust. Soc. Am. 111, 1917-1930.
25 * see http://recherche.ircam.fr/equipes/pcm/pub/people/cheveign.html
35 void aubio_pitchyin_diff(fvec_t * input, fvec_t * yin);
37 void aubio_pitchyin_getcum(fvec_t * yin);
39 uint_t aubio_pitchyin_getpitch(fvec_t *yin);