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Noise Pollution Part 1 (Measurement (Sound Pressure Level, Unit is decibel…
Noise Pollution Part 1
Controlling
Sorce
Transmission Path
Protective Equipment
Noise
Impact
Sleeplessness
Human Performance
Nervous System
Damage to Material
Noise is "Un"wanted Sound
Measurement
Sound Pressure Level
Unit is decibel (dB)
dB = 20log(P/0.00002)
dB = 10log(I/10e-12)
Sorce
Domestic
Natural
Comercial
Industrial