Source
Intensity
Sound

Level

# of Times

Greater Than TOH

Threshold of Hearing (TOH)
1 x 10-12 W/m2
0 dB
100
Rustling Leaves
1 x 10-11 W/m2
10 dB
101
Whisper
1 x 10-10 W/m2
20 dB
102
Normal Conversation
1 x 10-6 W/m2
60 dB
106
Busy Street Traffic
1 x 10-5 W/m2
70 dB
107
Vacuum Cleaner
1 x 10-4 W/m2
80 dB
108
Large Orchestra
6.3 x 10-3 W/m2
98 dB
109.8
Earbuds at Maximum Level
1 x 10-2 W/m2
100 dB
1010
Front Rows of Rock Concert
1 x 10-1 W/m2
110 dB
1011
Threshold of Pain
1 x 101 W/m2
130 dB
1013
Military Jet Takeoff
1 x 102 W/m2
140 dB
1014
Instant Perforation of Eardrum
1 x 104 W/m2
160 dB
1016







Simple Beats!

Diffraction!

Beats!

Standing Waves in Pipes!

Doppler Shift!

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