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Music Pages > Sound Table
Sound Levels for Nonlinear (Decibel) and Linear (Intensity) Scales
decibels intensity* type of sound
130 10 artillery fire at close proximity
(threshold of pain)
120 1 amplified rock music; near jet engine
110 10^-1 loud orchestral music, in audience
100 10^-2 electric saw
90 10^-3 bus or truck interior
80 10^-4 car interior
70 10^-5 average street noise; loud telephone bell
60 10^-6 normal conversation; business office
50 10^-7 restaurant; private office
40 10^-8 quiet room in home
30 10^-9 quiet lecture hall; bedroom
20 10^-10 radio, television, or recording studio
10 10^-11 soundproof room
0 10^-12 absolute silence (threshold of hearing)
*In watts per square metre; ^ indicates exponentiation of the intensity figure.
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