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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
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