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Tricks of the Mac Game Programming Gurus
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TricksOfTheMacGameProgrammingGurus.iso
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Tools
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SoundEffects 0.9.2
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Effects Folder
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Low Pass FIR
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Low Pass FIR.rsrc
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TEXT_1000_About.txt
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1994-11-21
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The Low Pass effect module makes the selected waveform smoother, by averaging every sample with the preceding one.
The equation is
y(n) = [x(n) + x(n-1)]/2,
where y is the output and x the input.
The response is that of a low-pass filter, with a zero at z=-1 and a pole at z=0.