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/*
flute.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
*/
/******************************************/
/* WaveGuide Flute ala Karjalainen, */
/* Smith, Waryznyk, etc. */
/* with polynomial Jet ala Cook */
/* 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(__Flute_h)
#define __Flute_h
#include "physutil.h"
/**********************************************/
/* Jet Table Object by Perry R. Cook, 1995-96 */
/* Consult Fletcher and Rossing, Karjalainen, */
/* Cook, more, for information. */
/* This, as with many other of my "tables", */
/* is not a table, but is computed by poly- */
/* nomial calculation. */
/**********************************************/
typedef struct FLUTE {
OPDS h;
MYFLT *ar; /* Output */
MYFLT *amp, *frequency;
MYFLT *jetRatio, *attack, *dettack, *noiseGain, *vibFreq;
MYFLT *vibAmt, *ifn, *lowestFreq;
MYFLT *jetRefl; /* Optional 0.5 */
MYFLT *endRefl; /* Optional 0.5 */
FUNC *vibr;
MYFLT v_rate; /* Parameters for vibrato */
MYFLT v_time;
/* MYFLT v_phaseOffset; */
DLineL jetDelay;
DLineL boreDelay;
OnePole filter;
DCBlock dcBlock;
Noise noise;
ADSR adsr;
MYFLT lastFreq;
MYFLT lastJet;
MYFLT maxPress;
MYFLT vibrGain;
MYFLT outputGain;
MYFLT kloop;
MYFLT lastamp;
MYFLT limit;
} FLUTE;
#endif
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