piezoresistive microphone
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piezoresistive microphone
(pē¦ā·zō·ri¦zis·tiv ′mī·krə′fōn)
(engineering acoustics) A microphone in which a piezoresistive material is deposited on the edges of a membrane, and variations in the resistance of this material resulting from motion of the membrane are sensed, typically in a Wheatstone bridge.
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