acoustic impedance


Definition of acoustic impedance

: the ratio of sound-pressure amplitude to volume-velocity amplitude across a given surface in a medium transmitting sound, the relationship being measured in acoustic ohms and commonly treated as a complex quantity whose components are acoustic reactance and acoustic resistance : the acoustic analogue of reactance in alternating-current circuits

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Cite this Entry

“Acoustic impedance.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2020.

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