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.
22 Transient / Steady-state Separation (TSS)
24 This file implement a Transient / Steady-state Separation (TSS) as described
27 Christopher Duxbury, Mike E. Davies, and Mark B. Sandler. Separation of
28 transient information in musical audio using multiresolution analysis
29 techniques. In Proceedings of the Digital Audio Effects Conference, DAFx-01,
30 pages 15, Limerick, Ireland, 2001.
42 typedef struct _aubio_tss_t aubio_tss_t;
46 \param thrs separation threshold
47 \param alfa alfa parameter
48 \param beta beta parameter
49 \param size buffer size
50 \param overlap step size
51 \param channels number of input channels
54 aubio_tss_t * new_aubio_tss(smpl_t thrs, smpl_t alfa, smpl_t beta,
55 uint_t size, uint_t overlap,uint_t channels);
58 \param s tss object as returned by new_aubio_tss
61 void del_aubio_tss(aubio_tss_t *s);
63 /** set transient / steady state separation threshold
65 \param tss tss object as returned by new_aubio_tss
66 \param thrs new threshold value
69 void aubio_tss_set_thres(aubio_tss_t *tss, smpl_t thrs);
70 /** split input into transient and steady states components
72 \param s tss object as returned by new_aubio_tss
73 \param input input spectral frame
74 \param trans output transient components
75 \param stead output steady state components
78 void aubio_tss_do(aubio_tss_t *s, cvec_t * input, cvec_t * trans, cvec_t * stead);