mirror of
https://github.com/rhasspy/espeak-ng.git
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117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
/*
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* Copyright (C) 2005 to 2007 by Jonathan Duddington
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* email: jonsd@users.sourceforge.net
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* Copyright (C) 2013-2016 Reece H. Dunn
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see: <http://www.gnu.org/licenses/>.
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*/
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#ifndef ESPEAK_NG_SPECT_H
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#define ESPEAK_NG_SPECT_H
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#include <espeak-ng/espeak_ng.h> // for espeak_ng_STATUS
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#include "voice.h" // for N_PEAKS
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#include "synthesize.h" // for N_KLATTP2
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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float polint(float xa[], float ya[], int n, float x);
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#define FRAME_WIDTH 1000 // max width for 8000kHz frame
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#define MAX_DISPLAY_FREQ 9500
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#define T_AMPLITUDE 308
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#define T_AV 312
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#define T_FNZ 321
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#define FILEID1_SPECTSEQ 0x43455053
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#define FILEID2_SPECTSEQ 0x51455354 // for eSpeak sequence
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#define FILEID2_SPECTSEK 0x4b455354 // for Klatt sequence
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#define FILEID2_SPECTSQ2 0x32515354 // with Klatt data
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typedef struct {
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unsigned short pitch1;
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unsigned short pitch2;
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unsigned char env[128];
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} PitchEnvelope;
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typedef struct {
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short freq;
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short bandw;
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} formant_t;
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typedef struct {
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short pkfreq;
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short pkheight;
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short pkwidth;
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short pkright;
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short klt_bw;
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short klt_ap;
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short klt_bp;
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} peak_t;
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typedef struct {
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int keyframe;
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short amp_adjust;
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float length_adjust;
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double rms;
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float time;
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float pitch;
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float length;
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float dx;
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unsigned short nx;
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short markers;
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int max_y;
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unsigned short *spect; // sqrt of harmonic amplitudes, 1-nx at 'pitch'
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short klatt_param[N_KLATTP2];
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formant_t formants[N_PEAKS]; // this is just the estimate given by Praat
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peak_t peaks[N_PEAKS];
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} SpectFrame;
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double GetFrameRms(SpectFrame *frame, int amp);
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typedef struct {
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int numframes;
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short amplitude;
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int spare;
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char *name;
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SpectFrame **frames;
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PitchEnvelope pitchenv;
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int pitch1;
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int pitch2;
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int duration;
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int grid;
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int bass_reduction;
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int max_x;
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short max_y;
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int file_format;
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} SpectSeq;
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SpectSeq *SpectSeqCreate(void);
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void SpectSeqDestroy(SpectSeq *spect);
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espeak_ng_STATUS LoadSpectSeq(SpectSeq *spect, const char *filename);
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#ifdef __cplusplus
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}
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#endif
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#endif
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