diff options
Diffstat (limited to 'plugins/MacAU/NCSeventeen/NCSeventeen.cpp')
| -rwxr-xr-x | plugins/MacAU/NCSeventeen/NCSeventeen.cpp | 29 |
1 files changed, 7 insertions, 22 deletions
diff --git a/plugins/MacAU/NCSeventeen/NCSeventeen.cpp b/plugins/MacAU/NCSeventeen/NCSeventeen.cpp index cc27033..14f0cf2 100755 --- a/plugins/MacAU/NCSeventeen/NCSeventeen.cpp +++ b/plugins/MacAU/NCSeventeen/NCSeventeen.cpp @@ -173,9 +173,7 @@ void NCSeventeen::NCSeventeenKernel::Reset() basslev = 0.0; treblev = 0.0; cheblev = 0.0; - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -189,12 +187,7 @@ void NCSeventeen::NCSeventeenKernel::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; - + Float32 *destP = inDestP; Float64 inP2; Float64 chebyshev; Float64 overallscale = 1.0; @@ -389,19 +382,11 @@ void NCSeventeen::NCSeventeenKernel::Process( const Float32 *inSourceP, if (inputSample < -0.95) inputSample = -0.95; //iron bar - //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; //built in output trim and dry/wet by default |