rkrug wrote: > mlsstl <mlsstl.7fzv3z (AT) no-mx (DOT) forums.slimdevices.com> writes: > [color=blue] > > cliveb wrote: [color=green] > >> In the context of using digital volume control, the purpose of > passive > >> attenuation in the analogue domain is so you can avoid applying a lot > of > >> digital attenuation - which results in loss of resolution. > > If you are worried about resolution loss in the volume control, then you > are screwed forever, because both digital and analog volume controls > throw away resolution when you increase the attenuation. Some people > have been mislead to think that analog volume controls *don't* lose > resolution when you turn the volume down. Not true. > > Analog volume controls work in a context where the circuits they drive > have noise. That is just how reality works. When you torn them down, > resolution gets lost as the signal falls closer to the noise floor. > > One of the problems with audio signals in the analog domain is that > there is no defined level matching like there is in the digital domain. > In the digitial domain, Full Scale (FS) is the same for every component > regardless of whether the equipment is consumer or professional, or who > makes it. > > We've already discussed how in the analog domain, the choice of > reference levels is free floating, and vastly different depending on > whether you are using consumer gear or pro gear.
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