Date: Thu, 10.04.08 07:29
The last of the thre
regarding, but not limited to: The last of the thre
MVDV> On Wednesday April 09 2008 13:26, you wrote to James Bradley:
JB>> WD> What's a "deciple"?
JB>> A unit to measure "sound" level.
WD> That's a goodone too ...
MVDV> Not really.
MVDV> Although often (wrongly) used for sound, the decibel (tenth
MVDV> of a Bell) is not a measure for sound. The Bell is for
MVDV> comparing things on a logaritmic scale. One Bell
MVDV> corresponds to a ten fold increase. Increase in what you
MVDV> may ask. Increase in whatever you are measuring.
MVDV> Increase the power of a 1 Watt radio transmitter by 10 dB
MVDV> and you have q 10 Watt transmitter. Increase you salary by
MVDV> 3 dB and you earn twice as much.
Hence the quote.
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