2 Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
4 This file is part of aubio.
6 aubio is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 aubio is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with aubio. If not, see <http://www.gnu.org/licenses/>.
23 Transient / Steady-state Separation (TSS)
25 This file implement a Transient / Steady-state Separation (TSS) as described
28 Christopher Duxbury, Mike E. Davies, and Mark B. Sandler. Separation of
29 transient information in musical audio using multiresolution analysis
30 techniques. In Proceedings of the Digital Audio Effects Conference, DAFx-01,
31 pages 1--5, Limerick, Ireland, 2001.
33 Available at http://www.csis.ul.ie/dafx01/proceedings/papers/duxbury.pdf
35 \example spectral/test-tss.c
46 /** Transient / Steady-state Separation object */
47 typedef struct _aubio_tss_t aubio_tss_t;
51 \param buf_size buffer size
52 \param hop_size step size
55 aubio_tss_t *new_aubio_tss (uint_t buf_size, uint_t hop_size);
59 \param o tss object as returned by new_aubio_tss()
62 void del_aubio_tss (aubio_tss_t * o);
64 /** split input into transient and steady states components
66 \param o tss object as returned by new_aubio_tss()
67 \param input input spectral frame
68 \param trans output transient components
69 \param stead output steady state components
72 void aubio_tss_do (aubio_tss_t * o, cvec_t * input, cvec_t * trans,
75 /** set transient / steady state separation threshold
77 \param o tss object as returned by new_aubio_tss()
78 \param thrs new threshold value
81 uint_t aubio_tss_set_threshold (aubio_tss_t * o, smpl_t thrs);
83 /** set parameter a, defaults to 3
85 \param o tss object as returned by new_aubio_tss()
86 \param alpha new value for alpha parameter
89 uint_t aubio_tss_set_alpha (aubio_tss_t * o, smpl_t alpha);
91 /** set parameter b, defaults to 3
93 \param o tss object as returned by new_aubio_tss()
94 \param beta new value for beta parameter
97 uint_t aubio_tss_set_beta (aubio_tss_t * o, smpl_t beta);
103 #endif /* _AUBIO_TSS_H */