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SPU2-X: Give some more range to the balancing, I realized its most probably safe for our ears ( an it seems to be based on testing ;P). 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4861 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
gigaherz 2011-08-10 21:21:49 +00:00
parent 08b2cac8aa
commit 3373f6852b
1 changed files with 4 additions and 2 deletions
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6
plugins/spu2-x/src/DplIIdecoder.cpp
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@ -76,12 +76,14 @@ void ProcessDplIISample32( const StereoOut32& src, Stereo51Out32DplII * s)
float Rearness = 1-Frontness; // And the other way around float Rearness = 1-Frontness; // And the other way around
// Equalize the power levels for L/R // Equalize the power levels for L/R
float B = std::min(0.5f,std::max(-0.5f,Balance)); float B = std::min(0.9f,std::max(-0.9f,Balance));
float VL = L / (1-B); // if B>0, it means R>L, so increase L, else decrease L float VL = L / (1-B); // if B>0, it means R>L, so increase L, else decrease L
float VR = R / (1+B); // vice-versa float VR = R / (1+B); // vice-versa
// 1.73+1.22 = 2.94; 2.94 = 0.34 = 0.9996; Close enough... xcept VL/VR are equalized to < 1 // 1.73+1.22 = 2.94; 2.94 = 0.34 = 0.9996; Close enough.
// The range for VL/VR is approximately 0..1,
// But in the cases where VL/VR are > 0.5, Rearness is 0 so it should never overflow.
const float RearScale = 0.34f * 2; const float RearScale = 0.34f * 2;
float SL = (VR*1.73f - VL*1.22f) * RearScale * Rearness; float SL = (VR*1.73f - VL*1.22f) * RearScale * Rearness;