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The Sensitivity Of The Microphone

Microphone open circuit voltage and the ratio of the sound pressure acting on the diaphragm. In fact, microphone in the sound field will cause the scattering of sound field, so there are two definitions of sensitivity. One is the actual sound pressure acts on the diaphragm, called sound pressure sensitivity and the other refers to the microphone sound field sound pressure is not placed, known as acoustic sensitivity, sound sensitivity can be divided into free field and diffuse field sensitivity sensitivity. Usually recorded with a microphone for sound pressure sensitivity of microphone by application type for measuring sound pressure or sound sensitivity.

Sensitivity is measured in v/PA (Volt/Pascal, V/Pa), the sensitivity level is typically used to say reference sensitivity for the 1V/Pa.


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