81 void noteOn( StkFloat frequency, StkFloat amplitude );
90 StkFloat
tick(
unsigned int channel = 0 );
116 StkFloat outputGain_;
118 StkFloat vibratoGain_;
123 StkFloat pressureDiff;
124 StkFloat breathPressure;
128 breathPressure = envelope_.
tick();
129 breathPressure += breathPressure * noiseGain_ * noise_.
tick();
130 breathPressure += breathPressure * vibratoGain_ * vibrato_.
tick();
133 pressureDiff = delays_[0].
lastOut() - breathPressure;
136 StkFloat pa = breathPressure + pressureDiff * reedTable_.
tick( pressureDiff );
137 StkFloat pb = delays_[1].
lastOut();
140 lastFrame_[0] = delays_[0].
tick( vent_.
lastOut()+pb );
141 lastFrame_[0] *= outputGain_;
146 StkFloat pth = tonehole_.
lastOut();
147 temp = scatter_ * (pa + pb - 2 * pth);
149 delays_[2].
tick( filter_.
tick(pa + temp) * -0.95 );
150 delays_[1].
tick( pb + temp );
151 tonehole_.
tick( pa + pb - pth + temp );
153 return lastFrame_[0];
158 unsigned int nChannels = lastFrame_.
channels();
159 #if defined(_STK_DEBUG_)
160 if ( channel > frames.
channels() - nChannels ) {
161 oStream_ <<
"BlowHole::tick(): channel and StkFrames arguments are incompatible!";
166 StkFloat *samples = &frames[channel];
167 unsigned int j, hop = frames.
channels() - nChannels;
168 if ( nChannels == 1 ) {
169 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop )
173 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
175 for ( j=1; j<nChannels; j++ )
176 *samples++ = lastFrame_[j];
STK clarinet physical model with one register hole and one tonehole.
Definition: BlowHole.h:51
void setFrequency(StkFloat frequency)
Set instrument parameters for a particular frequency.
void controlChange(int number, StkFloat value)
Perform the control change specified by number and value (0.0 - 128.0).
void setVent(StkFloat newValue)
Set the register hole state (0.0 = closed, 1.0 = fully open).
void startBlowing(StkFloat amplitude, StkFloat rate)
Apply breath pressure to instrument with given amplitude and rate of increase.
StkFloat tick(unsigned int channel=0)
Compute and return one output sample.
Definition: BlowHole.h:121
void clear(void)
Reset and clear all internal state.
void noteOn(StkFloat frequency, StkFloat amplitude)
Start a note with the given frequency and amplitude.
~BlowHole(void)
Class destructor.
BlowHole(StkFloat lowestFrequency)
Class constructor.
void setTonehole(StkFloat newValue)
Set the tonehole state (0.0 = closed, 1.0 = fully open).
void noteOff(StkFloat amplitude)
Stop a note with the given amplitude (speed of decay).
void stopBlowing(StkFloat rate)
Decrease breath pressure with given rate of decrease.
STK linear interpolating delay line class.
Definition: DelayL.h:28
StkFloat lastOut(void) const
Return the last computed output value.
Definition: DelayL.h:76
StkFloat tick(StkFloat input)
Input one sample to the filter and return one output.
Definition: DelayL.h:163
STK linear line envelope class.
Definition: Envelope.h:22
StkFloat tick(void)
Compute and return one output sample.
Definition: Envelope.h:88
STK instrument abstract base class.
Definition: Instrmnt.h:20
STK noise generator.
Definition: Noise.h:22
StkFloat tick(void)
Compute and return one output sample.
Definition: Noise.h:59
STK one-zero filter class.
Definition: OneZero.h:21
StkFloat tick(StkFloat input)
Input one sample to the filter and return one output.
Definition: OneZero.h:79
STK one-pole, one-zero filter class.
Definition: PoleZero.h:22
StkFloat tick(StkFloat input)
Input one sample to the filter and return one output.
Definition: PoleZero.h:79
StkFloat lastOut(void) const
Return the last computed output value.
Definition: PoleZero.h:62
STK reed table class.
Definition: ReedTable.h:28
StkFloat tick(StkFloat input)
Take one sample input and map to one sample of output.
Definition: ReedTable.h:81
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:287
unsigned int channels(void) const
Return the number of channels represented by the data.
Definition: Stk.h:415
unsigned int frames(void) const
Return the number of sample frames represented by the data.
Definition: Stk.h:418
static void handleError(const char *message, StkError::Type type)
Static function for error reporting and handling using c-strings.
The STK namespace.
Definition: ADSR.h:8