/* Copyright (C) 2007-2009 Paul Brossier and Amaury Hazan This file is part of Aubio. Aubio 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 3 of the License, or (at your option) any later version. Aubio 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 Aubio. If not, see . */ #ifndef MFCC_H #define MFCC_H #ifdef __cplusplus extern "C" { #endif typedef struct aubio_mfcc_t_ aubio_mfcc_t; /** create mfcc object \param win_s size of analysis buffer (and length the FFT transform) \param samplerate audio sampling rate \param n_coefs number of desired coefficientss */ aubio_mfcc_t *new_aubio_mfcc (uint_t win_s, uint_t samplerate, uint_t n_filters, uint_t n_coefs); /** delete mfcc object \param mf mfcc object as returned by new_aubio_mfcc */ void del_aubio_mfcc (aubio_mfcc_t * mf); /** mfcc object processing \param mf mfcc object as returned by new_aubio_mfcc \param in input spectrum (win_s long) \param out output mel coefficients buffer (n_coeffs long) */ void aubio_mfcc_do (aubio_mfcc_t * mf, cvec_t * in, fvec_t * out); #ifdef __cplusplus } #endif #endif // MFCC_H