Barrie By-law 2006-140, s. 1(29) — Noise By-law
Noise By-law
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Sound Pressure Level The “sound pressure level” is twenty times the logarithm to the base 10 of the ratio of the effective pressure
- (p) of a sound to the reference pressure
- (pr) of 20 uPa. Thus the sound pressure level in dB=20 log10 p. pr
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