Industrial Insulation Standard

Introduction acoustic insulation

CINI 9.2.01 | 2009-10-01

Vibrations (pressure waves), which we produce by for example speaking,
radio, music, process plant, etc. are propagated through the air
and are perceived as sound by the human ear. Difference is made between:

The sound intensity is expressed in decibel (dB). Sound pressure levels are ranging from 0 dB (auditory threshold) to 140 dB (threshold of pain).

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