1 /* Sound_to_Harmonicity.cpp
2 *
3 * Copyright (C) 1992-2011,2015,2016,2017,2019 Paul Boersma
4 *
5 * This code is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or (at
8 * your option) any later version.
9 *
10 * This code is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 * See the GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this work. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #include "Sound_to_Pitch.h"
20 #include "Sound_to_Harmonicity.h"
21
Sound_to_Harmonicity_ac(Sound me,double dt,double minimumPitch,double silenceThreshold,double periodsPerWindow)22 autoHarmonicity Sound_to_Harmonicity_ac (Sound me, double dt, double minimumPitch,
23 double silenceThreshold, double periodsPerWindow)
24 {
25 try {
26 autoPitch pitch = Sound_to_Pitch_any (me, dt, minimumPitch, periodsPerWindow, 15, 1,
27 silenceThreshold, 0.0, 0.0, 0.0, 0.0, 0.5 / my dx);
28 autoHarmonicity thee = Harmonicity_create (my xmin, my xmax, pitch -> nx,
29 pitch -> dx, pitch -> x1);
30 for (integer i = 1; i <= thy nx; i ++) {
31 if (pitch -> frames [i]. candidates [1]. frequency == 0.0) {
32 thy z [1] [i] = -200.0;
33 } else {
34 const double r = pitch -> frames [i]. candidates [1]. strength;
35 thy z [1] [i] = ( r <= 1e-15 ? -150.0 : r > 1.0 - 1e-15 ? 150.0 : 10.0 * log10 (r / (1.0 - r)) );
36 }
37 }
38 return thee;
39 } catch (MelderError) {
40 Melder_throw (me, U": harmonicity analysis (ac) not performed.");
41 }
42 }
43
Sound_to_Harmonicity_cc(Sound me,double dt,double minimumPitch,double silenceThreshold,double periodsPerWindow)44 autoHarmonicity Sound_to_Harmonicity_cc (Sound me, double dt, double minimumPitch,
45 double silenceThreshold, double periodsPerWindow)
46 {
47 try {
48 autoPitch pitch = Sound_to_Pitch_any (me, dt, minimumPitch, periodsPerWindow, 15, 3,
49 silenceThreshold, 0.0, 0.0, 0.0, 0.0, 0.5 / my dx);
50 autoHarmonicity thee = Harmonicity_create (my xmin, my xmax, pitch -> nx,
51 pitch -> dx, pitch -> x1);
52 for (integer i = 1; i <= thy nx; i ++) {
53 if (pitch -> frames [i]. candidates [1]. frequency == 0.0) {
54 thy z [1] [i] = -200.0;
55 } else {
56 double r = pitch -> frames [i]. candidates [1]. strength;
57 thy z [1] [i] = ( r <= 1e-15 ? -150.0 : r > 1.0 - 1e-15 ? 150.0 : 10.0 * log10 (r / (1.0 - r)) );
58 }
59 }
60 return thee;
61 } catch (MelderError) {
62 Melder_throw (me, U": harmonicity analysis (cc) not performed.");
63 }
64 }
65
66 /* End of file Sound_to_Harmonicity.cpp */
67