diff options
Diffstat (limited to 'plugins/MacAU/TubeDesk/TubeDesk.cpp')
| -rwxr-xr-x | plugins/MacAU/TubeDesk/TubeDesk.cpp | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/plugins/MacAU/TubeDesk/TubeDesk.cpp b/plugins/MacAU/TubeDesk/TubeDesk.cpp index 4b730c4..cf2c042 100755 --- a/plugins/MacAU/TubeDesk/TubeDesk.cpp +++ b/plugins/MacAU/TubeDesk/TubeDesk.cpp @@ -157,9 +157,7 @@ void TubeDesk::TubeDeskKernel::Reset() lastSample = 0.0; lastOutSample = 0.0; lastSlew = 0.0; - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -200,9 +198,6 @@ void TubeDesk::TubeDeskKernel::Process( const Float32 *inSourceP, Float64 combSample; long double inputSample; long double drySample; - Float32 fpTemp; - Float64 fpOld = 0.618033988749894848204586; //golden ratio! - Float64 fpNew = 1.0 - fpOld; while (nSampleFrames-- > 0) { inputSample = *sourceP; @@ -295,20 +290,11 @@ void TubeDesk::TubeDeskKernel::Process( const Float32 *inSourceP, inputSample /= gain; //end of Desk section - //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; |