57 void noteOn( StkFloat frequency, StkFloat amplitude );
66 StkFloat
tick(
unsigned int channel = 0 );
86 StkFloat maxPressure_;
88 StkFloat vibratoGain_;
95 StkFloat breathPressure;
96 StkFloat randPressure;
97 StkFloat pressureDiff;
100 breathPressure = maxPressure_ * adsr_.
tick();
101 breathPressure += vibratoGain_ * vibrato_.
tick();
103 pressureDiff = breathPressure - resonator_.
lastOut();
105 randPressure = noiseGain_ * noise_.
tick();
106 randPressure *= breathPressure;
107 randPressure *= (1.0 + pressureDiff);
109 resonator_.
tick( breathPressure + randPressure - ( jetTable_.
tick( pressureDiff ) * pressureDiff ) );
110 lastFrame_[0] = 0.2 * outputGain_ * dcBlock_.
tick( pressureDiff );
112 return lastFrame_[0];
117 unsigned int nChannels = lastFrame_.
channels();
118 #if defined(_STK_DEBUG_)
119 if ( channel > frames.
channels() - nChannels ) {
120 oStream_ <<
"BlowBotl::tick(): channel and StkFrames arguments are incompatible!";
125 StkFloat *samples = &frames[channel];
126 unsigned int j, hop = frames.
channels() - nChannels;
127 if ( nChannels == 1 ) {
128 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop )
132 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
134 for ( j=1; j<nChannels; j++ )
135 *samples++ = lastFrame_[j];
STK ADSR envelope class.
Definition: ADSR.h:27
StkFloat tick(void)
Compute and return one output sample.
Definition: ADSR.h:117
STK biquad (two-pole, two-zero) filter class.
Definition: BiQuad.h:21
StkFloat tick(StkFloat input)
Input one sample to the filter and return a reference to one output.
Definition: BiQuad.h:119
StkFloat lastOut(void) const
Return the last computed output value.
Definition: BiQuad.h:87
STK blown bottle instrument class.
Definition: BlowBotl.h:33
void noteOff(StkFloat amplitude)
Stop a note with the given amplitude (speed of decay).
void controlChange(int number, StkFloat value)
Perform the control change specified by number and value (0.0 - 128.0).
void clear(void)
Reset and clear all internal state.
StkFloat tick(unsigned int channel=0)
Compute and return one output sample.
Definition: BlowBotl.h:93
void setFrequency(StkFloat frequency)
Set instrument parameters for a particular frequency.
void stopBlowing(StkFloat rate)
Decrease breath velocity with given rate of decrease.
void startBlowing(StkFloat amplitude, StkFloat rate)
Apply breath velocity to instrument with given amplitude and rate of increase.
BlowBotl(void)
Class constructor.
~BlowBotl(void)
Class destructor.
void noteOn(StkFloat frequency, StkFloat amplitude)
Start a note with the given frequency and amplitude.
STK instrument abstract base class.
Definition: Instrmnt.h:20
STK jet table class.
Definition: JetTable.h:24
StkFloat tick(StkFloat input)
Take one sample input and map to one sample of output.
Definition: JetTable.h:54
STK noise generator.
Definition: Noise.h:22
StkFloat tick(void)
Compute and return one output sample.
Definition: Noise.h:59
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
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