diff options
Diffstat (limited to 'plugins/LinuxVST/src/Coils/CoilsProc.cpp')
| -rwxr-xr-x | plugins/LinuxVST/src/Coils/CoilsProc.cpp | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/plugins/LinuxVST/src/Coils/CoilsProc.cpp b/plugins/LinuxVST/src/Coils/CoilsProc.cpp index cc0456a..409fd66 100755 --- a/plugins/LinuxVST/src/Coils/CoilsProc.cpp +++ b/plugins/LinuxVST/src/Coils/CoilsProc.cpp @@ -20,7 +20,8 @@ void Coils::processReplacing(float **inputs, float **outputs, VstInt32 sampleFra if (boost < 0.001) boost = 0.001; //there's a divide, we can't have this be zero figureL[0] = figureR[0] = 600.0/getSampleRate(); //fixed frequency, 600hz figureL[1] = figureR[1] = 0.023; //resonance - double offset = B; + double offset = (B*2.0)-1.0; + double sinOffset = sin(offset); //we can cache this, it's expensive double wet = C; double K = tan(M_PI * figureR[0]); double norm = 1.0 / (1.0 + K / figureR[1] + K * K); @@ -43,7 +44,7 @@ void Coils::processReplacing(float **inputs, float **outputs, VstInt32 sampleFra //figure[8] = (inputSample * figure[4]) - (tempSample * figure[6]); //inputSample = tempSample + sin(drySample-tempSample); //or - //inputSample = tempSample + ((sin(((drySample-tempSample)/boost)+offset)-offset)*boost); + //inputSample = tempSample + ((sin(((drySample-tempSample)/boost)+offset)-sinOffset)*boost); // //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of //the full frequencies but distorts like a real transformer. Purest case, and since @@ -53,7 +54,7 @@ void Coils::processReplacing(float **inputs, float **outputs, VstInt32 sampleFra long double tempSample = (inputSampleL * figureL[2]) + figureL[7]; figureL[7] = -(tempSample * figureL[5]) + figureL[8]; figureL[8] = (inputSampleL * figureL[4]) - (tempSample * figureL[6]); - inputSampleL = tempSample + ((sin(((drySampleL-tempSample)/boost)+offset)-offset)*boost); + inputSampleL = tempSample + ((sin(((drySampleL-tempSample)/boost)+offset)-sinOffset)*boost); //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of //the full frequencies but distorts like a real transformer. Since //we are not using a high Q we can remove the extra sin/asin on the biquad. @@ -61,7 +62,7 @@ void Coils::processReplacing(float **inputs, float **outputs, VstInt32 sampleFra tempSample = (inputSampleR * figureR[2]) + figureR[7]; figureR[7] = -(tempSample * figureR[5]) + figureR[8]; figureR[8] = (inputSampleR * figureR[4]) - (tempSample * figureR[6]); - inputSampleR = tempSample + ((sin(((drySampleR-tempSample)/boost)+offset)-offset)*boost); + inputSampleR = tempSample + ((sin(((drySampleR-tempSample)/boost)+offset)-sinOffset)*boost); //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of //the full frequencies but distorts like a real transformer. Since //we are not using a high Q we can remove the extra sin/asin on the biquad. @@ -103,7 +104,8 @@ void Coils::processDoubleReplacing(double **inputs, double **outputs, VstInt32 s if (boost < 0.001) boost = 0.001; //there's a divide, we can't have this be zero figureL[0] = figureR[0] = 600.0/getSampleRate(); //fixed frequency, 600hz figureL[1] = figureR[1] = 0.023; //resonance - double offset = B; + double offset = (B*2.0)-1.0; + double sinOffset = sin(offset); //we can cache this, it's expensive double wet = C; double K = tan(M_PI * figureR[0]); double norm = 1.0 / (1.0 + K / figureR[1] + K * K); @@ -126,7 +128,7 @@ void Coils::processDoubleReplacing(double **inputs, double **outputs, VstInt32 s //figure[8] = (inputSample * figure[4]) - (tempSample * figure[6]); //inputSample = tempSample + sin(drySample-tempSample); //or - //inputSample = tempSample + ((sin(((drySample-tempSample)/boost)+offset)-offset)*boost); + //inputSample = tempSample + ((sin(((drySample-tempSample)/boost)+offset)-sinOffset)*boost); // //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of //the full frequencies but distorts like a real transformer. Purest case, and since @@ -136,7 +138,7 @@ void Coils::processDoubleReplacing(double **inputs, double **outputs, VstInt32 s long double tempSample = (inputSampleL * figureL[2]) + figureL[7]; figureL[7] = -(tempSample * figureL[5]) + figureL[8]; figureL[8] = (inputSampleL * figureL[4]) - (tempSample * figureL[6]); - inputSampleL = tempSample + ((sin(((drySampleL-tempSample)/boost)+offset)-offset)*boost); + inputSampleL = tempSample + ((sin(((drySampleL-tempSample)/boost)+offset)-sinOffset)*boost); //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of //the full frequencies but distorts like a real transformer. Since //we are not using a high Q we can remove the extra sin/asin on the biquad. @@ -144,7 +146,7 @@ void Coils::processDoubleReplacing(double **inputs, double **outputs, VstInt32 s tempSample = (inputSampleR * figureR[2]) + figureR[7]; figureR[7] = -(tempSample * figureR[5]) + figureR[8]; figureR[8] = (inputSampleR * figureR[4]) - (tempSample * figureR[6]); - inputSampleR = tempSample + ((sin(((drySampleR-tempSample)/boost)+offset)-offset)*boost); + inputSampleR = tempSample + ((sin(((drySampleR-tempSample)/boost)+offset)-sinOffset)*boost); //given a bandlimited inputSample, freq 600hz and Q of 0.023, this restores a lot of //the full frequencies but distorts like a real transformer. Since //we are not using a high Q we can remove the extra sin/asin on the biquad. |