/usr/include/aubio/spectral/tss.h is in libaubio-dev 0.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | /*
Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
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 <http://www.gnu.org/licenses/>.
*/
/** \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 1--5, Limerick, Ireland, 2001.
Available at http://www.csis.ul.ie/dafx01/proceedings/papers/duxbury.pdf
\example spectral/test-tss.c
*/
#ifndef _AUBIO_TSS_H
#define _AUBIO_TSS_H
#ifdef __cplusplus
extern "C" {
#endif
/** Transient / Steady-state Separation object */
typedef struct _aubio_tss_t aubio_tss_t;
/** create tss object
\param buf_size buffer size
\param hop_size step size
*/
aubio_tss_t *new_aubio_tss (uint_t buf_size, uint_t hop_size);
/** delete tss object
\param o tss object as returned by new_aubio_tss()
*/
void del_aubio_tss (aubio_tss_t * o);
/** split input into transient and steady states components
\param o 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 * o, cvec_t * input, cvec_t * trans,
cvec_t * stead);
/** set transient / steady state separation threshold
\param o tss object as returned by new_aubio_tss()
\param thrs new threshold value
*/
uint_t aubio_tss_set_threshold (aubio_tss_t * o, smpl_t thrs);
/** set parameter a, defaults to 3
\param o tss object as returned by new_aubio_tss()
\param alpha new value for alpha parameter
*/
uint_t aubio_tss_set_alpha (aubio_tss_t * o, smpl_t alpha);
/** set parameter b, defaults to 3
\param o tss object as returned by new_aubio_tss()
\param beta new value for beta parameter
*/
uint_t aubio_tss_set_beta (aubio_tss_t * o, smpl_t beta);
#ifdef __cplusplus
}
#endif
#endif /* _AUBIO_TSS_H */
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