Questions on Levels
In article , 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.
dB is a ratio.
dBft and dBlb to talk about decibels with respect to a foot or a pound
are perfectly reasonable.
Probably the most common measurement, dBSPL, is actually referenced to a
pressure.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."
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