diff options
Diffstat (limited to 'plugins/MacAU/C5RawChannel/C5RawChannel.cpp')
| -rwxr-xr-x | plugins/MacAU/C5RawChannel/C5RawChannel.cpp | 25 |
1 files changed, 6 insertions, 19 deletions
diff --git a/plugins/MacAU/C5RawChannel/C5RawChannel.cpp b/plugins/MacAU/C5RawChannel/C5RawChannel.cpp index 15d4f7a..2b2eb79 100755 --- a/plugins/MacAU/C5RawChannel/C5RawChannel.cpp +++ b/plugins/MacAU/C5RawChannel/C5RawChannel.cpp @@ -160,9 +160,7 @@ void C5RawChannel::C5RawChannelKernel::Reset() { lastFXChannel = 0.0; lastSampleChannel = 0.0; - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -177,9 +175,6 @@ void C5RawChannel::C5RawChannelKernel::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; long double centering = GetParameter( kParam_One ) * 0.5; centering = 1.0 - pow(centering,5); @@ -238,19 +233,11 @@ void C5RawChannel::C5RawChannelKernel::Process( const Float32 *inSourceP, inputSample = sin(inputSample); //amplitude aspect - //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; |