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RDF Terms

Acoustic Impediance

Applicable units are those of quantitykind:AcousticImpedance

$\textit{Acoustic Impedance}$ at a surface is the complex quotient of the average sound pressure over that surface by the sound volume flow rate through that surface.

http://en.wikipedia.org/wiki/Acoustic_impedance

$Z_a= \frac{p}{q} = \frac{p}{vS}$, where $p$ is the sound pressure, $q$ is the sound volume velocity, $v$ is sound particle velocity, and $S$ is the surface area through which an acoustic wave of frequence $f$ propagates.

Acoustic impedance at a surface is the complex quotient of the average sound pressure over that surface by the sound volume flow rate through that surface.

Z