diff options
Diffstat (limited to 'plugins/MacAU/Capacitor/Capacitor.cpp')
| -rwxr-xr-x | plugins/MacAU/Capacitor/Capacitor.cpp | 25 |
1 files changed, 6 insertions, 19 deletions
diff --git a/plugins/MacAU/Capacitor/Capacitor.cpp b/plugins/MacAU/Capacitor/Capacitor.cpp index f810f0e..bfe38c2 100755 --- a/plugins/MacAU/Capacitor/Capacitor.cpp +++ b/plugins/MacAU/Capacitor/Capacitor.cpp @@ -196,9 +196,7 @@ void Capacitor::CapacitorKernel::Reset() lastLowpass = 1000.0; lastHighpass = 1000.0; lastWet = 1000.0; - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -229,9 +227,6 @@ void Capacitor::CapacitorKernel::Process( const Float32 *inSourceP, Float64 invLowpass; Float64 invHighpass; Float64 dry; - Float32 fpTemp; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; long double inputSample; Float32 drySample; @@ -324,19 +319,11 @@ void Capacitor::CapacitorKernel::Process( const Float32 *inSourceP, inputSample = (drySample * dry) + (inputSample * wet); - //noise shaping to 32-bit floating point - if (fpFlip) { - fpTemp = inputSample; - fpNShapeA = (fpNShapeA*fpOld)+((inputSample-fpTemp)*fpNew); - inputSample += fpNShapeA; - } - else { - fpTemp = inputSample; - fpNShapeB = (fpNShapeB*fpOld)+((inputSample-fpTemp)*fpNew); - inputSample += fpNShapeB; - } - fpFlip = !fpFlip; - //end noise shaping on 32 bit output + //32 bit dither, made small and tidy. + int expon; frexpf((Float32)inputSample, &expon); + long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62); + inputSample += (dither-fpNShape); fpNShape = dither; + //end 32 bit dither *destP = inputSample; |