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/*
clarinet.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
*/
/******************************************/
/* Clarinet model ala Smith */
/* after McIntyre, Schumacher, Woodhouse */
/* by Perry Cook, 1995-96 */
/* Recoded for Csound by John ffitch */
/* November 1997 */
/* */
/* This is a waveguide model, and thus */
/* relates to various Stanford Univ. */
/* and possibly Yamaha and other patents.*/
/* */
/******************************************/
#if !defined(__Clarinet_h)
#define __Clarinet_h
#include "physutil.h"
/**********************************************/
/* One break poinr32_t linear reed table object */
/* by Perry R. Cook, 1995-96 */
/* Consult McIntyre, Schumacher, & Woodhouse */
/* Smith, Hirschman, Cook, Scavone, */
/* more for information. */
/**********************************************/
typedef struct ReedTabl {
MYFLT offSet;
MYFLT slope;
} ReedTabl;
/*******************************************/
/* One Zero Filter Class, */
/* by Perry R. Cook, 1995-96 */
/* The parameter gain is an additional */
/* gain parameter applied to the filter */
/* on top of the normalization that takes */
/* place automatically. So the net max */
/* gain through the system equals the */
/* value of gain. sgain is the combina- */
/* tion of gain and the normalization */
/* parameter, so if you set the poleCoeff */
/* to alpha, sgain is always set to */
/* gain / (1.0 - fabs(alpha)). */
/*******************************************/
typedef struct OneZero {
MYFLT gain; /* Filter subclass */
MYFLT inputs;
MYFLT zeroCoeff;
MYFLT sgain;
} OneZero;
void make_OneZero(OneZero*);
MYFLT OneZero_tick(OneZero*, MYFLT);
void OneZero_setGain(OneZero*, MYFLT);
void OneZero_setCoeff(OneZero*, MYFLT);
void OneZero_print(CSOUND*, OneZero*);
/* ********************************************************************** */
typedef struct CLARIN {
OPDS h;
MYFLT *ar; /* Output */
MYFLT *amp, *frequency;
MYFLT *reedStffns, *attack, *dettack, *noiseGain, *vibFreq;
MYFLT *vibAmt, *ifn, *lowestFreq;
FUNC *vibr; /* Table for vibrato */
MYFLT v_rate; /* Parameters for vibrato */
MYFLT v_time;
/* MYFLT v_phaseOffset; */
DLineL delayLine;
ReedTabl reedTable;
OneZero filter;
Envelope envelope;
Noise noise;
int32 length;
MYFLT outputGain;
int32 kloop;
} CLARIN;
/* int32_tclarinetset(CLARINET *p); */
/* int32_tclarinet(CLARINET *p) */
#endif
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