1 /* Pitch_to_Sound.cpp
2 *
3 * Copyright (C) 1992-2011,2015,2016,2017 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 /*
20 * pb 2002/07/16 GPL
21 * pb 2005/02/09 Pitch_to_Sound_sine
22 * pb 2007/02/25 changed default sampling frequency to 44100 Hz
23 * pb 2008/01/19 double
24 * pb 2011/06/05 C++
25 */
26
27 #include "Pitch_to_PointProcess.h"
28 #include "PointProcess_and_Sound.h"
29 #include "Pitch_to_Sound.h"
30 #include "PitchTier_to_Sound.h"
31 #include "Pitch_to_PitchTier.h"
32
Pitch_to_Sound(Pitch me,double tmin,double tmax,bool hum)33 autoSound Pitch_to_Sound (Pitch me, double tmin, double tmax, bool hum) {
34 static double formant [1 + 6] { 0.0, 600.0, 1400.0, 2400.0, 3400.0, 4500.0, 5500.0 };
35 static double bandwidth [1 + 6] { 0.0, 50.0, 100.0, 200.0, 300.0, 400.0, 500.0 };
36 try {
37 autoPointProcess point = Pitch_to_PointProcess (me);
38 autoSound sound = PointProcess_to_Sound_pulseTrain (point.get(), 44100.0, 0.7, 0.05, 30);
39 if (hum) {
40 Sound_filterWithFormants (sound.get(), tmin, tmax, 6, formant, bandwidth);
41 }
42 return sound;
43 } catch (MelderError) {
44 Melder_throw (me, U": not converted to Sound.");
45 }
46 }
47
Pitch_play(Pitch me,double tmin,double tmax)48 void Pitch_play (Pitch me, double tmin, double tmax) {
49 try {
50 Function_unidirectionalAutowindow (me, & tmin, & tmax);
51 autoSound sound = Pitch_to_Sound (me, tmin, tmax, false);
52 Sound_playPart (sound.get(), tmin, tmax, nullptr, nullptr);
53 } catch (MelderError) {
54 Melder_throw (me, U": not played.");
55 }
56 }
57
Pitch_hum(Pitch me,double tmin,double tmax)58 void Pitch_hum (Pitch me, double tmin, double tmax) {
59 try {
60 Function_unidirectionalAutowindow (me, & tmin, & tmax);
61 autoSound sound = Pitch_to_Sound (me, tmin, tmax, true);
62 Sound_playPart (sound.get(), tmin, tmax, nullptr, nullptr);
63 } catch (MelderError) {
64 Melder_throw (me, U": not played.");
65 }
66 }
67
Pitch_to_Sound_sine(Pitch me,double tmin,double tmax,double samplingFrequency,bool roundToNearestZeroCrossings)68 autoSound Pitch_to_Sound_sine (Pitch me, double tmin, double tmax, double samplingFrequency, bool roundToNearestZeroCrossings) {
69 try {
70 autoPitchTier tier = Pitch_to_PitchTier (me);
71 autoSound sound = PitchTier_to_Sound_sine (tier.get(), tmin, tmax, samplingFrequency);
72 integer iframe = 1;
73 double unvoicedMin = my xmin;
74 double unvoicedMax = my x1 + (iframe - 1.5) * my dx;
75 for (;;) {
76 while (! Pitch_isVoiced_i (me, iframe)) {
77 unvoicedMax = my x1 + (iframe - 0.5) * my dx;
78 if (++ iframe > my nx) break;
79 }
80 if (unvoicedMax > unvoicedMin) {
81 Sound_setZero (sound.get(), unvoicedMin, unvoicedMax, roundToNearestZeroCrossings);
82 }
83 if (iframe > my nx) break;
84 while (Pitch_isVoiced_i (me, iframe)) {
85 unvoicedMin = my x1 + (iframe - 0.5) * my dx;
86 if (++ iframe > my nx) break;
87 }
88 if (iframe > my nx) break;
89 }
90 unvoicedMax = my xmax;
91 if (unvoicedMax > unvoicedMin) {
92 Sound_setZero (sound.get(), unvoicedMin, unvoicedMax, roundToNearestZeroCrossings);
93 }
94 return sound;
95 } catch (MelderError) {
96 Melder_throw (me, U": not converted to Sound (sine).");
97 }
98 }
99
100 /* End of file Pitch_to_Sound.cpp */
101