A measure of acoustic wave force. The force that sound can exert against an object; our ear drums as an example. It is measured in dB's and is "0" referenced to 1 dyne per square centimeter.
SOUND-PRESSURE LEVEL (SPL)
Meaning of SOUND-PRESSURE LEVEL (SPL) in English
Film and video English vocabulary. Английский словарь фильмов и видео. 2012