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* "David W. Tamkin" <[EMAIL PROTECTED]> on Thu, 19 Aug 1999
| A *reading* of 20 dB would have ten times as much energy reaching the sensor
| (or reaching the ear) as a reading of 10 dB. An *increase* of 20 dB would
| mean 100 times the energy (or really the power) of the previous reading.
Yeah, that's right. I had the right log, but I was thinking exponential
for some reason (which would explain why my description did not sound quite
right).
As far as the average listener is concerned, 90dB is loud, 100dB is LOUD,
110dB is REALLY EFFING LOUD, and 120db is OHMYGODTURNITOFFMYEARSAREGOINGTO
EXPLODE!!!AAAAGGGGHHHHH!!!!! :)
I used to have a little table that listed how long you could listen to
certain things before permanent damage occoured. Two of the high end
sounds were "rock concert", 110dB, 7 minutes, and "jet airliners taking
off", 120dB, 20 seconds.
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