56   void noteOn( StkFloat frequency, StkFloat amplitude );
 
   62   StkFloat 
tick( 
unsigned int channel = 0 );
 
   85   temp = gains_[3] * adsr_[3]->tick() * waves_[3]->tick();
 
   86   temp2 = vibrato_.
tick() * modDepth_ * 0.1;
 
   88   waves_[0]->setFrequency(baseFrequency_ * (1.0 + temp2) * ratios_[0]);
 
   89   waves_[1]->setFrequency(baseFrequency_ * (1.0 + temp2) * ratios_[1]);
 
   90   waves_[2]->setFrequency(baseFrequency_ * (1.0 + temp2) * ratios_[2]);
 
   91   waves_[3]->setFrequency(baseFrequency_ * (1.0 + temp2) * ratios_[3]);
 
   93   waves_[0]->addPhaseOffset(temp * mods_[0]);
 
   94   waves_[1]->addPhaseOffset(temp * mods_[1]);
 
   95   waves_[2]->addPhaseOffset(temp * mods_[2]);
 
   96   waves_[3]->addPhaseOffset( twozero_.
lastOut() );
 
   97   twozero_.
tick( temp );
 
   98   temp =  gains_[0] * tilt_[0] * adsr_[0]->tick() * waves_[0]->tick();
 
   99   temp += gains_[1] * tilt_[1] * adsr_[1]->tick() * waves_[1]->tick();
 
  100   temp += gains_[2] * tilt_[2] * adsr_[2]->tick() * waves_[2]->tick();
 
  102   lastFrame_[0] = temp * 0.33;
 
  103   return lastFrame_[0];
 
  108   unsigned int nChannels = lastFrame_.
channels();
 
  109 #if defined(_STK_DEBUG_) 
  110   if ( channel > frames.
channels() - nChannels ) {
 
  111     oStream_ << 
"FMVoices::tick(): channel and StkFrames arguments are incompatible!";
 
  116   StkFloat *samples = &frames[channel];
 
  117   unsigned int j, hop = frames.
channels() - nChannels;
 
  118   if ( nChannels == 1 ) {
 
  119     for ( 
unsigned int i=0; i<frames.
frames(); i++, samples += hop )
 
  123     for ( 
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
 
  125       for ( j=1; j<nChannels; j++ )
 
  126         *samples++ = lastFrame_[j];