ref: f218f29b032d1e2390a9be25dfd633732b6bd9f1
dir: /src/tss.h/
/* Copyright (C) 2003 Paul Brossier This program 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 program 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 program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /** \file Transient / Steady-state Separation (TSS) This file implement a Transient / Steady-state Separation (TSS) as described in: Christopher Duxbury, Mike E. Davies, and Mark B. Sandler. Separation of transient information in musical audio using multiresolution analysis techniques. In Proceedings of the Digital Audio Effects Conference, DAFx-01, pages 15, Limerick, Ireland, 2001. */ #ifndef TSS_H #define TSS_H #ifdef __cplusplus extern "C" { #endif /** TSS object */ typedef struct _aubio_tss_t aubio_tss_t; /** create tss object \param thrs separation threshold \param alfa alfa parameter \param beta beta parameter \param size buffer size \param overlap step size \param channels number of input channels */ aubio_tss_t * new_aubio_tss(smpl_t thrs, smpl_t alfa, smpl_t beta, uint_t size, uint_t overlap,uint_t channels); /** delete tss object \param s tss object as returned by new_aubio_tss */ void del_aubio_tss(aubio_tss_t *s); /** set transient / steady state separation threshold \param tss tss object as returned by new_aubio_tss \param thrs new threshold value */ void aubio_tss_set_thres(aubio_tss_t *tss, smpl_t thrs); /** split input into transient and steady states components \param s tss object as returned by new_aubio_tss \param input input spectral frame \param trans output transient components \param stead output steady state components */ void aubio_tss_do(aubio_tss_t *s, cvec_t * input, cvec_t * trans, cvec_t * stead); #ifdef __cplusplus } #endif #endif /*TSS_H*/