79 void noteOn( StkFloat frequency, StkFloat amplitude );
88 StkFloat
tick(
unsigned int channel = 0 );
109 StkFloat outputGain_;
111 StkFloat vibratoGain_;
116inline StkFloat Saxofony :: tick(
unsigned int )
118 StkFloat pressureDiff;
119 StkFloat breathPressure;
123 breathPressure = envelope_.
tick();
124 breathPressure += breathPressure * noiseGain_ * noise_.tick();
125 breathPressure += breathPressure * vibratoGain_ * vibrato_.tick();
127 temp = -0.95 * filter_.tick( delays_[0].lastOut() );
128 lastFrame_[0] = temp - delays_[1].lastOut();
129 pressureDiff = breathPressure - lastFrame_[0];
130 delays_[1].tick( temp );
131 delays_[0].tick( breathPressure - (pressureDiff * reedTable_.tick(pressureDiff)) - temp );
133 lastFrame_[0] *= outputGain_;
134 return lastFrame_[0];
139 unsigned int nChannels = lastFrame_.
channels();
140#if defined(_STK_DEBUG_)
141 if ( channel > frames.
channels() - nChannels ) {
142 oStream_ <<
"Saxofony::tick(): channel and StkFrames arguments are incompatible!";
143 handleError( StkError::FUNCTION_ARGUMENT );
147 StkFloat *samples = &frames[channel];
148 unsigned int j, hop = frames.
channels() - nChannels;
149 if ( nChannels == 1 ) {
150 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop )
154 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
156 for ( j=1; j<nChannels; j++ )
157 *samples++ = lastFrame_[j];
STK linear interpolating delay line class.
Definition: DelayL.h:28
STK linear line envelope class.
Definition: Envelope.h:23
STK instrument abstract base class.
Definition: Instrmnt.h:20
STK noise generator.
Definition: Noise.h:22
STK one-zero filter class.
Definition: OneZero.h:21
STK reed table class.
Definition: ReedTable.h:28
STK faux conical bore reed instrument class.
Definition: Saxofony.h:52
Saxofony(StkFloat lowestFrequency)
Class constructor, taking the lowest desired playing frequency.
~Saxofony(void)
Class destructor.
void controlChange(int number, StkFloat value)
Perform the control change specified by number and value (0.0 - 128.0).
void setFrequency(StkFloat frequency)
Set instrument parameters for a particular frequency.
void startBlowing(StkFloat amplitude, StkFloat rate)
Apply breath pressure to instrument with given amplitude and rate of increase.
void noteOn(StkFloat frequency, StkFloat amplitude)
Start a note with the given frequency and amplitude.
StkFloat tick(unsigned int channel=0)
Compute and return one output sample.
Definition: Saxofony.h:116
void noteOff(StkFloat amplitude)
Stop a note with the given amplitude (speed of decay).
void clear(void)
Reset and clear all internal state.
void stopBlowing(StkFloat rate)
Decrease breath pressure with given rate of decrease.
void setBlowPosition(StkFloat aPosition)
Set the "blowing" position between the air column terminations (0.0 - 1.0).
STK sinusoid oscillator class.
Definition: SineWave.h:26
StkFloat tick(void)
Compute and return one output sample.
Definition: SineWave.h:99
An STK class to handle vectorized audio data.
Definition: Stk.h:279
unsigned int channels(void) const
Return the number of channels represented by the data.
Definition: Stk.h:416
unsigned int frames(void) const
Return the number of sample frames represented by the data.
Definition: Stk.h:419
The STK namespace.
Definition: ADSR.h:6