Source |
Sound Pressure Level (dB) |
Large Rocket (nearby) |
180 to 194 |
Jet Aircraft, Artillery Fire |
150 |
Shotgun Blast |
145 |
Propeller Aircraft |
140 |
Pneumatic Riveter, Jackhammer, Pain Threshold |
130 |
Rock Concert, Thunder, Automobile Horn |
120 |
Construction Noise |
110 |
Subway Train |
100 |
Heavy Truck, Niagra Falls |
90 |
Noisy Office, Noisy Restaurant |
80 |
Busy Traffic, Normal Radio |
70 |
Normal Conversation, Dishwasher |
60 |
Quiet Office |
50 |
Library |
40 |
Soft Whisper |
30 |
Rustling Leaves |
20 |
Normal Breathing |
10 |
Let P be the measured rms pressure level. The sound pressure level (SPL) in decibels (dB) is: |
The speed of sound in air is 1125
feet/sec (343 meters/sec)
|
More Acoustic Information - Vibrationdata.com Pages
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