sound pressure; acoustic pressure
Technical term in acoustics and audio engineering; refers to the local pressure deviation from ambient atmospheric pressure caused by a sound wave.
Sound pressure level is expressed in decibels.
このスピーカーは高い音圧を出せる。
This speaker can produce high sound pressure.
sound pressure level; SPL
Compound of 音 (おん, 'sound') and 圧 (あつ, 'pressure'), directly corresponding to the English term 'sound pressure'.