How Many Times More Intense Was The Noise Level A The Rock Concert Than On The Farm Tractor ?
Sheilagh spent the day driving a Farm Tractor. The noise level was 98 dB. Ryan worked on the sound crew for a Rock concert. The noise level was 120 dB. How many times more intense was the noise level a the Rock concert than on the Farm tractor ?
Tags: Concert, Farm, Intense, Level, Many, More, Noise, Rock, Than, Times
September 9th, 2009 at 7:16 am
1.2244898 times more intense.
98 x 1.2244898 = 120
September 9th, 2009 at 9:22 am
Basic formula
dbW = 10 * log (p2/p1)
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120 – 98 = +22 dbs gain
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30 db gain is double the sound
September 9th, 2009 at 3:12 pm
decibels are on a log scale. If something is 10 decibels louder, it’s 10 times as loud. If it’s 20 decibles louder, it’s 10^2 times as loud.
So, this is 22 dB louder
10^2.2 = 158.5 times as loud
September 9th, 2009 at 9:42 pm
1.224499
if db are measured in a linear maner