54 void noteOn( StkFloat frequency, StkFloat amplitude );
63 StkFloat
tick(
unsigned int channel = 0 );
82 StkFloat baseFrequency_;
87inline StkFloat Simple :: tick(
unsigned int )
89 lastFrame_[0] = loopGain_ * loop_->
tick();
90 biquad_.tick( noise_.tick() );
91 lastFrame_[0] += (1.0 - loopGain_) * biquad_.lastOut();
92 lastFrame_[0] = filter_.tick( lastFrame_[0] );
93 lastFrame_[0] *= adsr_.tick();
99 unsigned int nChannels = lastFrame_.
channels();
100#if defined(_STK_DEBUG_)
101 if ( channel > frames.
channels() - nChannels ) {
102 oStream_ <<
"Simple::tick(): channel and StkFrames arguments are incompatible!";
103 handleError( StkError::FUNCTION_ARGUMENT );
107 StkFloat *samples = &frames[channel];
108 unsigned int j, hop = frames.
channels() - nChannels;
109 if ( nChannels == 1 ) {
110 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop )
114 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
116 for ( j=1; j<nChannels; j++ )
117 *samples++ = lastFrame_[j];
STK ADSR envelope class.
Definition ADSR.h:25
STK biquad (two-pole, two-zero) filter class.
Definition BiQuad.h:26
STK file looping / oscillator class.
Definition FileLoop.h:27
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-pole filter class.
Definition OnePole.h:21
STK wavetable/noise instrument.
Definition Simple.h:33
void keyOff(void)
Start envelope toward "off" target.
void keyOn(void)
Start envelope toward "on" target.
void noteOff(StkFloat amplitude)
Stop a note with the given amplitude (speed of decay).
Simple(void)
Class constructor.
~Simple(void)
Class destructor.
void setFrequency(StkFloat frequency)
Set instrument parameters for a particular frequency.
StkFloat tick(unsigned int channel=0)
Compute and return one output sample.
Definition Simple.h:87
void controlChange(int number, StkFloat value)
Perform the control change specified by number and value (0.0 - 128.0).
void noteOn(StkFloat frequency, StkFloat amplitude)
Start a note with the given frequency and amplitude.
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