diff options
Diffstat (limited to 'plugins/MacAU/Ensemble/Ensemble.cpp')
-rwxr-xr-x | plugins/MacAU/Ensemble/Ensemble.cpp | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/plugins/MacAU/Ensemble/Ensemble.cpp b/plugins/MacAU/Ensemble/Ensemble.cpp index dec69cb..cdb1f4c 100755 --- a/plugins/MacAU/Ensemble/Ensemble.cpp +++ b/plugins/MacAU/Ensemble/Ensemble.cpp @@ -190,8 +190,7 @@ void Ensemble::EnsembleKernel::Reset() airEven = 0.0; airOdd = 0.0; airFactor = 0.0; - fpNShapeA = 0.0; - fpNShapeB = 0.0; + fpNShape = 0.0; fpFlip = true; } @@ -229,11 +228,6 @@ void Ensemble::EnsembleKernel::Process( const Float32 *inSourceP, int count; int ensemble; Float64 temp; - - Float32 fpTemp; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; - long double inputSample; Float64 drySample; //now we'll precalculate some stuff that needn't be in every sample @@ -308,20 +302,13 @@ void Ensemble::EnsembleKernel::Process( const Float32 *inSourceP, if (wet !=1.0) { 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; destP += inNumChannels; |