diff options
Diffstat (limited to 'plugins/MacAU/PDBuss/PDBuss.cpp')
-rwxr-xr-x | plugins/MacAU/PDBuss/PDBuss.cpp | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/plugins/MacAU/PDBuss/PDBuss.cpp b/plugins/MacAU/PDBuss/PDBuss.cpp index 5e27a7c..6f450c6 100755 --- a/plugins/MacAU/PDBuss/PDBuss.cpp +++ b/plugins/MacAU/PDBuss/PDBuss.cpp @@ -170,9 +170,7 @@ void PDBuss::PDBussKernel::Reset() settingchase = -90.0; chasespeed = 350.0; previousSample = 0.0; - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -187,10 +185,6 @@ void PDBuss::PDBussKernel::Process( const Float32 *inSourceP, UInt32 nSampleFrames = inFramesToProcess; const Float32 *sourceP = inSourceP; Float32 *destP = inDestP; - Float32 fpTemp; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; - Float64 inputgain = GetParameter( kParam_One ); Float64 intensity = GetParameter( kParam_Two ); Float64 apply; @@ -265,19 +259,11 @@ void PDBuss::PDBussKernel::Process( const Float32 *inSourceP, previousSample = sin(drySample); //apply the sine while storing previous sample - //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; |