While addressing vehicular noise has been a focus, it is equally vital to regulate loudspeaker usage in communal and religious settings.

An instrument for measuring the level of sound pressure in DECIBELs. Such measurements are called sound level readings. See: SOUND LEVEL. Sound level meters usually ...

In practice, CNEL values are comparable to NEF and exceed them by 35 ± 2 dB. The total noise exposure per day (CNEL) is calculated from the equation: where NL max is the maximum Noise Level in dBA and ...