42 Brass( StkFloat lowestFrequency = 8.0 );
54 void setLip( StkFloat frequency );
63 void noteOn( StkFloat frequency, StkFloat amplitude );
66 void noteOff( StkFloat amplitude );
72 StkFloat
tick(
unsigned int channel = 0 );
93 StkFloat slideTarget_;
94 StkFloat vibratoGain_;
95 StkFloat maxPressure_;
101 StkFloat breathPressure = maxPressure_ * adsr_.
tick();
102 breathPressure += vibratoGain_ * vibrato_.
tick();
104 StkFloat mouthPressure = 0.3 * breathPressure;
105 StkFloat borePressure = 0.85 * delayLine_.
lastOut();
106 StkFloat deltaPressure = mouthPressure - borePressure;
107 deltaPressure = lipFilter_.
tick( deltaPressure );
108 deltaPressure *= deltaPressure;
109 if ( deltaPressure > 1.0 ) deltaPressure = 1.0;
112 lastFrame_[0] = deltaPressure * mouthPressure + ( 1.0 - deltaPressure) * borePressure;
113 lastFrame_[0] = delayLine_.
tick( dcBlock_.
tick( lastFrame_[0] ) );
115 return lastFrame_[0];
120 unsigned int nChannels = lastFrame_.
channels();
121 #if defined(_STK_DEBUG_)
122 if ( channel > frames.
channels() - nChannels ) {
123 oStream_ <<
"Brass::tick(): channel and StkFrames arguments are incompatible!";
128 StkFloat *samples = &frames[channel];
129 unsigned int j, hop = frames.
channels() - nChannels;
130 if ( nChannels == 1 ) {
131 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop )
135 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
137 for ( j=1; j<nChannels; j++ )
138 *samples++ = lastFrame_[j];