diff options
Diffstat (limited to 'plugins/MacAU/HardVacuum/HardVacuum.cpp')
-rwxr-xr-x | plugins/MacAU/HardVacuum/HardVacuum.cpp | 25 |
1 files changed, 6 insertions, 19 deletions
diff --git a/plugins/MacAU/HardVacuum/HardVacuum.cpp b/plugins/MacAU/HardVacuum/HardVacuum.cpp index 15bb5ec..d652431 100755 --- a/plugins/MacAU/HardVacuum/HardVacuum.cpp +++ b/plugins/MacAU/HardVacuum/HardVacuum.cpp @@ -191,9 +191,7 @@ ComponentResult HardVacuum::Initialize() void HardVacuum::HardVacuumKernel::Reset() { lastSample = 0.0; - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -226,9 +224,6 @@ void HardVacuum::HardVacuumKernel::Process( const Float32 *inSourceP, Float64 skew; long double inputSample; Float64 drySample; - Float32 fpTemp; - Float64 fpOld = 0.618033988749894848204586; //golden ratio! - Float64 fpNew = 1.0 - fpOld; while (nSampleFrames-- > 0) { inputSample = *sourceP; @@ -319,19 +314,11 @@ void HardVacuum::HardVacuumKernel::Process( const Float32 *inSourceP, inputSample = (inputSample * wet) + (drySample * dry); } - //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; |