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What's the math behind a digital volume control?

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Pardon my ignorance but it has been written by some that digital attenuation is "lopping off the least significant bits (LSB) from the 16-bit word (say)"
In trying to understand this, if you divide a datastream by 2, say, will that sound be softer, and will it be shifted in pitch?
So is attenuation performed by a mathematical process that reduces the number by a factor?
Or is there different mathematical algorithms that could be applied to achieve the end result of "lower volume"?
Or is this just a stupid question?



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Topic - What's the math behind a digital volume control? - JayM 17:46:32 02/08/07 (11)


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