diff options
Diffstat (limited to 'plugins/MacAU/Desk/Desk.cpp')
| -rwxr-xr-x | plugins/MacAU/Desk/Desk.cpp | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/plugins/MacAU/Desk/Desk.cpp b/plugins/MacAU/Desk/Desk.cpp index d9bdb53..69dcf98 100755 --- a/plugins/MacAU/Desk/Desk.cpp +++ b/plugins/MacAU/Desk/Desk.cpp @@ -152,9 +152,7 @@ void Desk::DeskKernel::Reset() lastSample = 0.0; lastOutSample = 0.0; lastSlew = 0.0; - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -184,11 +182,7 @@ void Desk::DeskKernel::Process( const Float32 *inSourceP, Float64 bridgerectifier; Float64 combSample; long double inputSample; - long double drySample; - Float32 fpTemp; - Float64 fpOld = 0.618033988749894848204586; //golden ratio! - Float64 fpNew = 1.0 - fpOld; - + long double drySample; while (nSampleFrames-- > 0) { inputSample = *sourceP; @@ -251,19 +245,11 @@ void Desk::DeskKernel::Process( const Float32 *inSourceP, //drive section inputSample /= gain; - //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; sourceP += inNumChannels; |