Decibel Scale Atakpame, Togo West Africa May 1, 2007
I have a digital sound meter I am carrying for reference, I purhased at Radio Shack in the USA for about 50 U.S. dollars. The hope to measure the level of sounds around the world. I sort of think in term or No Smoking or Smoking choices. I think any guide would be helpful to explain large source of temporary or regular noise.
The decibel scale is used primarily to compare sound intensities although it can be used to compare voltages.
Decibels Typical sound 0 --- Threshold of hearing 10 --- Rustle of leaves in gentle breeze 10 --- Quiet whisper 20 --- Average whisper 20-50 --- Quiet conversation 40-45 --- Hotel; theater (between performances) 50-65 --- Loud conversation 65-70 --- Traffic on busy street 65-90 --- Train 75-80 --- Factory (light/medium work) 90 --- Heavy traffic 90-100 --- Thunder 110-140 --- Jet aircraft at takeoff 130 --- Threshold of pain 140-190 --- Space rocket at takeoff
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