diff options
Diffstat (limited to 'plugins/MacAU/Hermepass/Hermepass.cpp')
| -rwxr-xr-x | plugins/MacAU/Hermepass/Hermepass.cpp | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/plugins/MacAU/Hermepass/Hermepass.cpp b/plugins/MacAU/Hermepass/Hermepass.cpp index 8c8da5d..c969719 100755 --- a/plugins/MacAU/Hermepass/Hermepass.cpp +++ b/plugins/MacAU/Hermepass/Hermepass.cpp @@ -174,8 +174,7 @@ void Hermepass::HermepassKernel::Reset() iirF = 0.0; iirG = 0.0; iirH = 0.0; - fpNShapeA = 0.0; - fpNShapeB = 0.0; + fpNShape = 0.0; fpFlip = true; } @@ -194,10 +193,9 @@ void Hermepass::HermepassKernel::Process( const Float32 *inSourceP, long double overallscale = 1.0; overallscale /= 44100.0; overallscale *= GetSampleRate(); - Float32 fpTemp; long double fpOld = 0.618033988749894848204586; //golden ratio! long double fpNew = 1.0 - fpOld; - + Float64 rangescale = 0.1 / overallscale; Float64 cutoff = pow(GetParameter( kParam_One ),3); @@ -301,20 +299,13 @@ void Hermepass::HermepassKernel::Process( const Float32 *inSourceP, //with everything an array value. However, this makes just as much sense for this few poles. inputSample -= correction; - - //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; |