On Sun, Feb 26, 2006 at 11:36:26PM +0000, Dan Mills wrote:
> 0dB indicates a signal having the same power as the reference (in
> this case 0dB indicates a signal having an amplitude of 20uPa). Note
> that referencing a scale based on power to a pressure level is a
> little unnatural, but as long as the base pressure and viscosity are
> constant it can be done.
IIRC the brownian motion of air molecules is not so far below 0dB.
-- FAReceived on Mon Feb 27 04:15:12 2006
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