> To get a doubling of loudness, it is important to note that an increase
> of 10dB is necessary. And to reproduce that volume through our
> loudspeakers, note that we require ten times more power from the
> amplifier, which is voltage increase of 3.16 times.
>
> If your stereo volume is set to a point where at squeezebox music keeps
> the party ticking... now if in normal listening it is say half as
> loud...
>
> then i think you are going to drop from 16 bit resolution to one third
> of that. but anyone can correct me if they like... its not really my
> area....
>   

Apparently not.

Actually, 1bit=6.02 dB, so you are talking 1 2/3 bits, i.e. going from 
16 to 14 1/3.

But only if the signal is digital.

In the analog domain, it's simply a matter of raising the noise floor, 
i.e. no bits are lost.

Tom

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