What is the size of the area (in sq meters) where the noise level is captured?
This depends on the sound source(s) of interest and the situation. Sound level decreases by 6 dB for each doubling of distance. For example, if a sound source measures 110 dB at 1 meter, then at 2 meters you will measure 104 db, at 4 meters 98 dB etc. In a completely quiet environment, you […]