On Sat, 20 Nov 2010 15:57:15 -0500, Randy Yates
wrote:
(Don Pearce) writes:
[...]
FFS. The dB is NOT a unit of anything. It is a ratio expressed in log
form for convenience (to avoid huge numbers). Nothing more and nothing
less.
"dB" is a ratio of powers.
http://www.digitalsignallabs.com/db.pdf
"dBm", "dBV", etc., are units.
Except it's not always. See my note to John O'Flaherty. Not all dBs
are created equal.
--
Randy Yates % "...the answer lies within your soul
Digital Signal Labs % 'cause no one knows which side
% the coin will fall."
http://www.digitalsignallabs.com % 'Big Wheels', *Out of the Blue*, ELO
Eric Jacobsen
Minister of Algorithms
Abineau Communications
http://www.abineau.com