gradient microphone

gradient microphone

[′grād·ē·ənt ′mī·krə‚fōn]
(engineering acoustics)
A microphone whose electrical response corresponds to some function of the difference in pressure between two points in space.
References in periodicals archive ?
The cost-effective implementation has broad applicability for voice input and communications as the acoustic housing improvement is compatible with standard pressure gradient microphone sensors, enhancing the voice quality of a portable communication device.
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