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/*
singwave.h:
Copyright (C) 1996, 1997 Perry Cook, John ffitch
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*******************************************/
/* "Singing" Looped Soundfile Class, */
/* by Perry R. Cook, 1995-96 */
/* This Object contains all that's needed */
/* to make a pitched musical sound, like */
/* a simple voice or violin. In general, */
/* it will not be used alone (because of */
/* of munchinification effects from pitch */
/* shifting. It will be used as an */
/* excitation source for other instruments*/
/*******************************************/
#if !defined(__SingWave_h)
#define __SingWave_h
extern MYFLT phonGains[32][2];
extern MYFLT phonParams[32][4][3];
extern char phonemes[32][4];
/*******************************************/
/* Modulator Class, Perry R. Cook, 1995-96*/
/* This Object combines random and */
/* periodic modulations to give a nice */
/* natural human modulation function. */
/*******************************************/
#include "physutil.h"
#include "clarinet.h"
#include "moog1.h"
typedef struct SubNoise {
Noise lastOutput;
int32_t counter;
int32_t howOften;
} SubNoise;
typedef struct Modulatr {
FUNC *wave;
MYFLT v_rate;
MYFLT v_time;
MYFLT v_phase;
MYFLT v_lastOutput;
SubNoise noise;
OnePole onepole;
MYFLT vibAmt;
MYFLT lastOutput;
} Modulatr;
typedef struct SingWave {
Modulatr modulator;
Envelope envelope;
Envelope pitchEnvelope;
FUNC *wave;
MYFLT rate;
MYFLT sweepRate;
MYFLT mytime;
MYFLT lastOutput;
} SingWave;
/*******************************************/
/* 4 Formant Synthesis Instrument */
/* by Perry R. Cook, 1995-96 */
/* This instrument contains an excitation */
/* singing wavetable (looping wave with */
/* random and periodic vibrato, smoothing */
/* on frequency, etc.), excitation noise, */
/* and four sweepable complex resonances. */
/* */
/* Measured Formant data (from me) is */
/* included, and enough data is there to */
/* support either parallel or cascade */
/* synthesis. In the floating point case */
/* cascade synthesis is the most natural */
/* so that's what you'll find here. */
/* */
/* For right now, there's a simple command*/
/* line score interface consisting of 3 */
/* letter symbols for the phonemes, =xx */
/* sets the pitch to x, + and - add and */
/* subtract a half step, and ... makes it */
/* keep doing what it's doing for longer. */
/*******************************************/
typedef struct VOICF {
OPDS h;
MYFLT *ar; /* Output */
MYFLT *amp, *frequency;
MYFLT *phoneme, *formant;
MYFLT *vibf, *vibAmt;
MYFLT *ifn, *ivfn;
MYFLT oldform;
int32_t
ph;
MYFLT basef;
MYFLT lastGain;
SingWave voiced;
Noise noise;
Envelope noiseEnv;
FormSwep filters[4];
OnePole onepole;
OneZero onezero;
} VOICF;
#endif
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