/***************************************************/ /*! \class BlowBotl \brief STK blown bottle instrument class. This class implements a helmholtz resonator (biquad filter) with a polynomial jet excitation (a la Cook). Control Change Numbers: - Noise Gain = 4 - Vibrato Frequency = 11 - Vibrato Gain = 1 - Volume = 128 by Perry R. Cook and Gary P. Scavone, 1995 - 2002. */ /***************************************************/ #if !defined(__BOTTLE_H) #define __BOTTLE_H #include "Instrmnt.h" #include "JetTabl.h" #include "BiQuad.h" #include "PoleZero.h" #include "Noise.h" #include "ADSR.h" #include "WaveLoop.h" class BlowBotl : public Instrmnt { public: //! Class constructor. BlowBotl(); //! Class destructor. ~BlowBotl(); //! Reset and clear all internal state. void clear(); //! Set instrument parameters for a particular frequency. void setFrequency(MY_FLOAT frequency); //! Apply breath velocity to instrument with given amplitude and rate of increase. void startBlowing(MY_FLOAT amplitude, MY_FLOAT rate); //! Decrease breath velocity with given rate of decrease. void stopBlowing(MY_FLOAT rate); //! Start a note with the given frequency and amplitude. void noteOn(MY_FLOAT frequency, MY_FLOAT amplitude); //! Stop a note with the given amplitude (speed of decay). void noteOff(MY_FLOAT amplitude); //! Compute one output sample. MY_FLOAT tick(); //! Perform the control change specified by \e number and \e value (0.0 - 128.0). void controlChange(int number, MY_FLOAT value); protected: JetTabl *jetTable; BiQuad *resonator; PoleZero *dcBlock; Noise *noise; ADSR *adsr; WaveLoop *vibrato; MY_FLOAT maxPressure; MY_FLOAT noiseGain; MY_FLOAT vibratoGain; MY_FLOAT outputGain; }; #endif