diff options
Diffstat (limited to 'plugins/MacAU/Coils/Coils.cpp')
| -rwxr-xr-x | plugins/MacAU/Coils/Coils.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/plugins/MacAU/Coils/Coils.cpp b/plugins/MacAU/Coils/Coils.cpp index e8e222b..75cb6db 100755 --- a/plugins/MacAU/Coils/Coils.cpp +++ b/plugins/MacAU/Coils/Coils.cpp @@ -198,6 +198,7 @@ void Coils::CoilsKernel::Process( const Float32 *inSourceP, figure[0] = 600.0/GetSampleRate(); //fixed frequency, 600hz figure[1] = 0.023; //resonance Float64 offset = GetParameter( kParam_Two ); + Float64 sinOffset = sin(offset); //we can cache this, it's expensive Float64 wet = GetParameter( kParam_Three ); @@ -218,7 +219,7 @@ void Coils::CoilsKernel::Process( const Float32 *inSourceP, //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 @@ -227,7 +228,7 @@ void Coils::CoilsKernel::Process( const Float32 *inSourceP, long double tempSample = (inputSample * figure[2]) + figure[7]; figure[7] = -(tempSample * figure[5]) + figure[8]; figure[8] = (inputSample * figure[4]) - (tempSample * figure[6]); - 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. Since //we are not using a high Q we can remove the extra sin/asin on the biquad. |