Add speechPlayer Klatt implementation as Klatt 6.

2026-11-06 15:12:24 +00:00 · 2020-12-06 08:34:38 -08:00
parent 7df533b7b7
commit 5e502661d6
21 changed files with 928 additions and 11 deletions
@@ -0,0 +1,67 @@
+/*
+This file is a part of the NV Speech Player project. 
+URL: https://bitbucket.org/nvaccess/speechplayer
+Copyright 2014 NV Access Limited.
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License version 2.0, as published by
+the Free Software Foundation.
+This program 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.
+This license can be found at:
+http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+*/
+
+#ifndef SPEECHPLAYER_H
+#define SPEECHPLAYER_H
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef double speechPlayer_frameParam_t;
+
+typedef struct {
+	// voicing and cascaide
+	speechPlayer_frameParam_t voicePitch; //  fundermental frequency of voice (phonation) in hz
+	speechPlayer_frameParam_t vibratoPitchOffset; // pitch is offset up or down in fraction of a semitone
+	speechPlayer_frameParam_t vibratoSpeed; // Speed of vibrato in hz
+	speechPlayer_frameParam_t voiceTurbulenceAmplitude; // amplitude of voice breathiness from 0 to 1 
+	speechPlayer_frameParam_t glottalOpenQuotient; // fraction between 0 and 1 of a voice cycle that the glottis is open (allows voice turbulance, alters f1...)
+	speechPlayer_frameParam_t voiceAmplitude; // amplitude of voice (phonation) source between 0 and 1.
+	speechPlayer_frameParam_t aspirationAmplitude; // amplitude of aspiration (voiceless h, whisper) source between 0 and 1.
+	speechPlayer_frameParam_t cf1, cf2, cf3, cf4, cf5, cf6, cfN0, cfNP; // frequencies of standard cascaide formants, nasal (anti) 0 and nasal pole in hz
+	speechPlayer_frameParam_t cb1, cb2, cb3, cb4, cb5, cb6, cbN0, cbNP; // bandwidths of standard cascaide formants, nasal (anti) 0 and nasal pole in hz
+	speechPlayer_frameParam_t caNP; // amplitude from 0 to 1 of cascade nasal pole formant
+	// fricatives and parallel
+	speechPlayer_frameParam_t fricationAmplitude; // amplitude of frication noise from 0 to 1.
+	speechPlayer_frameParam_t pf1, pf2, pf3, pf4, pf5, pf6; // parallel formants in hz
+	speechPlayer_frameParam_t pb1, pb2, pb3, pb4, pb5, pb6; // parallel formant bandwidths in hz
+	speechPlayer_frameParam_t pa1, pa2, pa3, pa4, pa5, pa6; // amplitude of parallel formants between 0 and 1
+	speechPlayer_frameParam_t parallelBypass; // amount of signal which should bypass parallel resonators from 0 to 1
+	speechPlayer_frameParam_t preFormantGain; // amplitude from 0 to 1 of all vocal tract sound (voicing, frication) before entering formant resonators. Useful for stopping/starting speech
+	speechPlayer_frameParam_t outputGain; // amplitude from 0 to 1 of final output (master volume) 
+	speechPlayer_frameParam_t endVoicePitch; //  pitch of voice at the end of the frame length 
+} speechPlayer_frame_t;
+
+typedef short sampleVal;
+
+typedef struct {
+	sampleVal value;
+} sample;
+
+typedef void* speechPlayer_handle_t;
+
+speechPlayer_handle_t speechPlayer_initialize(int sampleRate);
+void speechPlayer_queueFrame(speechPlayer_handle_t playerHandle, speechPlayer_frame_t* framePtr, unsigned int minFrameDuration, unsigned int fadeDuration, int userIndex, bool purgeQueue);
+int speechPlayer_synthesize(speechPlayer_handle_t playerHandle, unsigned int sampleCount, sample* sampleBuf); 
+int speechPlayer_getLastIndex(speechPlayer_handle_t playerHandle);
+void speechPlayer_terminate(speechPlayer_handle_t playerHandle);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif