Provided I understand what Patrick said correctly, then while it's true
that no resolution is lost in the arithmetic (for attenuations less
than 30dB), the resulting 24 bit sample must then be passed through a
24 bit DAC. And to achieve "no loss of resolution" then requires a
perfectly linear 24 bit DAC. Of course, no such beast actually exists
in the real world, so the bottom 2 or 3 bits are probably random noise.
In that sense, there is some minor loss of resolution, but I'd suggest
that those inaccuracies are probably orders of magnitude smaller than
the tracking inaccuracies of even the best analogue potentiometer.


-- 
cliveb

Performers -> dozens of mixers and effects -> clipped/hypercompressed
mastering -> you think a few extra ps of jitter matters?
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