1 files changed, 7 insertions, 21 deletions
diff --git a/plugins/MacAU/HighImpact/HighImpact.cpp b/plugins/MacAU/HighImpact/HighImpact.cpp
index 91cbd6a..43ca1f5 100755
--- a/plugins/MacAU/HighImpact/HighImpact.cpp
+++ b/plugins/MacAU/HighImpact/HighImpact.cpp
@@ -175,9 +175,7 @@ ComponentResult HighImpact::Initialize()
 void		HighImpact::HighImpactKernel::Reset()
 {
 	lastSample = 0.0;
-	fpNShapeA = 0.0;
-	fpNShapeB = 0.0;
-	fpFlip = true;
+	fpNShape = 0.0;
 }
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -201,11 +199,7 @@ void		HighImpact::HighImpactKernel::Process(	const Float32 	*inSourceP,
 	Float64 drySample;
 	Float64 output = GetParameter( kParam_Two );
 	Float64 wet = GetParameter( kParam_Three );
-	Float64 dry = 1.0-wet;
-	Float32 fpTemp;
-	Float64 fpOld = 0.618033988749894848204586; //golden ratio!
-	Float64 fpNew = 1.0 - fpOld;	
-	
+	Float64 dry = 1.0-wet;	
 	Float64 clamp;
 	Float64 threshold = (1.25 - out);
 	
@@ -279,19 +273,11 @@ void		HighImpact::HighImpactKernel::Process(	const Float32 	*inSourceP,
 		//nice little output stage template: if we have another scale of floating point
 		//number, we really don't want to meaninglessly multiply that by 1.0.
 		
-		//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;