On Fri, 2005-12-23 at 03:00 +0100, David Kastrup wrote: > James Courtier-Dutton <[EMAIL PROTECTED]> writes: > > > Hi, > > > > I have a question for some audio professionals out there. > > What is the smallest sensible gain control step in dB. > > Is it 0.5dB ? > > I am asking, because if one is using a digital gain control in a 24bit > > fixed point DSP, once could use almost any step size, so I am looking > > for the smallest sensible size to use. > > Well, the minimum possible difference for 24bit is between -2^23+1 and > -2^23, and that would be about 0.000001dB.
He said sensible not possible. Lee
