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 ...

New research challenges traditional blood pressure measurement guidelines by showing that public spaces, even noisy ones, ...

A scale developed originally by K.D. Kryter in 1959 to attempt to measure the perceived noisiness of jet aircraft by observers on the ground. The scale has been adopted by the International Standards ...