owens writes:
> Before you go trying tools it may be useful to ask your self what you
> are trying to accomplish.  As others have pointed out in a similar
> thread the term db is a ratio.

Sthu Deus writes:
> Not correct.

It is ten times the base ten log of the ratio of two power levels.  Thus
3 db signifies a power ratio of 10^(.3) or approximately two.

> The "0 db" is the sound level - meaning "the highest" w/o any
> undesired effects.

In acoustics "0 db" is the threshold of hearing.  Sound power is
measured in db with this as the reference level.
-- 
John Hasler


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