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# VoicForm.h

    00001 #ifndef STK_VOICFORM_H
    00002 #define STK_VOICFORM_H
    00003
    00004 #include "Instrmnt.h"
    00005 #include "Envelope.h"
    00006 #include "Noise.h"
    00007 #include "SingWave.h"
    00008 #include "FormSwep.h"
    00009 #include "OnePole.h"
    00010 #include "OneZero.h"
    00011
    00012 namespace stk {
    00013
    00014 /***************************************************/
    00039 /***************************************************/
    00040
    00041 class VoicForm : public Instrmnt
    00042 {
    00043   public:
    00045
    00048   VoicForm( void );
    00049
    00051   ~VoicForm( void );
    00052
    00054   void clear( void );
    00055
    00057   void setFrequency( StkFloat frequency );
    00058
    00060   bool setPhoneme( const char* phoneme );
    00061
    00063   void setVoiced( StkFloat vGain ) { voiced_->setGainTarget(vGain); };
    00064
    00066   void setUnVoiced( StkFloat nGain ) { noiseEnv_.setTarget(nGain); };
    00067
    00069   void setFilterSweepRate( unsigned int whichOne, StkFloat rate );
    00070
    00072   void setPitchSweepRate( StkFloat rate ) { voiced_->setSweepRate(rate); };
    00073
    00075   void speak( void ) { voiced_->noteOn(); };
    00076
    00078   void quiet( void );
    00079
    00081   void noteOn( StkFloat frequency, StkFloat amplitude );
    00082
    00084   void noteOff( StkFloat amplitude ) { this->quiet(); };
    00085
    00087   void controlChange( int number, StkFloat value );
    00088
    00090   StkFloat tick( unsigned int channel = 0 );
    00091
    00092 protected:
    00093
    00094   SingWave *voiced_;
    00095   Noise    noise_;
    00096   Envelope noiseEnv_;
    00097   FormSwep filters_[4];
    00098   OnePole  onepole_;
    00099   OneZero  onezero_;
    00100
    00101 };
    00102
    00103 inline StkFloat VoicForm :: tick( unsigned int )
    00104 {
    00105   StkFloat temp;
    00106   temp = onepole_.tick( onezero_.tick( voiced_->tick() ) );
    00107   temp += noiseEnv_.tick() * noise_.tick();
    00108   lastFrame_[0] = filters_[0].tick(temp);
    00109   lastFrame_[0] += filters_[1].tick(temp);
    00110   lastFrame_[0] += filters_[2].tick(temp);
    00111   lastFrame_[0] += filters_[3].tick(temp);
    00112   /*
    00113     temp  += noiseEnv_.tick() * noise_.tick();
    00114     lastFrame_[0]  = filters_[0].tick(temp);
    00115     lastFrame_[0]  = filters_[1].tick(lastFrame_[0]);
    00116     lastFrame_[0]  = filters_[2].tick(lastFrame_[0]);
    00117     lastFrame_[0]  = filters_[3].tick(lastFrame_[0]);
    00118   */
    00119   return lastFrame_[0];
    00120 }
    00121
    00122 } // stk namespace
    00123
    00124 #endif

The Synthesis ToolKit in C++ (STK)
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