Destroyer OS.;350341 Wrote: 
> As I understand it, with the SB2/3, the bits start dropping when volume
> gets below a certain point, can someone tell me about where that is?

Your understanding is incorrect.

In digital volume controls you start with some integer value, multiply
it by the volume factor (which is some number less than 1), and round
the result to the nearest integer value.  You're probably thinking of
the errors introduced by that rounding.  Since the SB2/3 uses 24 bits
for internal calculations, the rounding errors are in the 24th (really,
the "25th") bit, which means more than 144dB down from full scale. 
Errors at that level are totally inaudible under all circumstances.

There is a real issue with digital volume control, but it isn't
"dropping bits" - it's just that any digital device has some intrinsic
noise floor, and lowering the volume decreases the signal while leaving
that noise floor unchanged, hence lowering signal/noise.  But that's a
smooth function of the volume - there's no special value where it
becomes a problem.


-- 
opaqueice
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