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 ...

Given the nature of their network, the early telephone pioneers’ efforts at sound level metering were based on line losses over a “standard mile” of cable. Meters calibrated to this standard ...

In a bid for quieter conditions, the Decatur City Commission voted to approve an amendment to its current noise ordinances, ...

In a bid for quieter conditions, the Decatur City Commission voted to approve an amendment to its current noise ordinances, ...

Historically, the A, B, and C weighting networks on a SOUND LEVEL METER were derived as the inverse of the 40, 70 and 100 dB Fletcher-Munson curves and used to determine SOUND LEVEL.