123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101 |
- /* Pitch_to_Sound.cpp
- *
- * Copyright (C) 1992-2011,2015,2016,2017 Paul Boersma
- *
- * This code 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 2 of the License, or (at
- * your option) any later version.
- *
- * This code 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 this work. If not, see <http://www.gnu.org/licenses/>.
- */
- /*
- * pb 2002/07/16 GPL
- * pb 2005/02/09 Pitch_to_Sound_sine
- * pb 2007/02/25 changed default sampling frequency to 44100 Hz
- * pb 2008/01/19 double
- * pb 2011/06/05 C++
- */
- #include "Pitch_to_PointProcess.h"
- #include "PointProcess_and_Sound.h"
- #include "Pitch_to_Sound.h"
- #include "PitchTier_to_Sound.h"
- #include "Pitch_to_PitchTier.h"
- autoSound Pitch_to_Sound (Pitch me, double tmin, double tmax, bool hum) {
- static double formant [1 + 6] { 0.0, 600.0, 1400.0, 2400.0, 3400.0, 4500.0, 5500.0 };
- static double bandwidth [1 + 6] { 0.0, 50.0, 100.0, 200.0, 300.0, 400.0, 500.0 };
- try {
- autoPointProcess point = Pitch_to_PointProcess (me);
- autoSound sound = PointProcess_to_Sound_pulseTrain (point.get(), 44100.0, 0.7, 0.05, 30);
- if (hum) {
- Sound_filterWithFormants (sound.get(), tmin, tmax, 6, formant, bandwidth);
- }
- return sound;
- } catch (MelderError) {
- Melder_throw (me, U": not converted to Sound.");
- }
- }
- void Pitch_play (Pitch me, double tmin, double tmax) {
- try {
- autoSound sound = Pitch_to_Sound (me, tmin, tmax, false);
- if (tmax <= tmin) { tmin = my xmin; tmax = my xmax; } // autowindowing
- Sound_playPart (sound.get(), tmin, tmax, nullptr, nullptr);
- } catch (MelderError) {
- Melder_throw (me, U": not played.");
- }
- }
- void Pitch_hum (Pitch me, double tmin, double tmax) {
- try {
- autoSound sound = Pitch_to_Sound (me, tmin, tmax, true);
- if (tmax <= tmin) { tmin = my xmin; tmax = my xmax; } // autowindowing
- Sound_playPart (sound.get(), tmin, tmax, nullptr, nullptr);
- } catch (MelderError) {
- Melder_throw (me, U": not played.");
- }
- }
- autoSound Pitch_to_Sound_sine (Pitch me, double tmin, double tmax, double samplingFrequency, bool roundToNearestZeroCrossings) {
- try {
- autoPitchTier tier = Pitch_to_PitchTier (me);
- autoSound sound = PitchTier_to_Sound_sine (tier.get(), tmin, tmax, samplingFrequency);
- integer iframe = 1;
- double unvoicedMin = my xmin;
- double unvoicedMax = my x1 + (iframe - 1.5) * my dx;
- for (;;) {
- while (! Pitch_isVoiced_i (me, iframe)) {
- unvoicedMax = my x1 + (iframe - 0.5) * my dx;
- if (++ iframe > my nx) break;
- }
- if (unvoicedMax > unvoicedMin) {
- Sound_setZero (sound.get(), unvoicedMin, unvoicedMax, roundToNearestZeroCrossings);
- }
- if (iframe > my nx) break;
- while (Pitch_isVoiced_i (me, iframe)) {
- unvoicedMin = my x1 + (iframe - 0.5) * my dx;
- if (++ iframe > my nx) break;
- }
- if (iframe > my nx) break;
- }
- unvoicedMax = my xmax;
- if (unvoicedMax > unvoicedMin) {
- Sound_setZero (sound.get(), unvoicedMin, unvoicedMax, roundToNearestZeroCrossings);
- }
- return sound;
- } catch (MelderError) {
- Melder_throw (me, U": not converted to Sound (sine).");
- }
- }
- /* End of file Pitch_to_Sound.cpp */
|