High noise level microphones used in aircraft.
Hintz, Edward Joseph Jr.
Ewing, Gerald D.
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The objective of this paper is to do a comparative analysis of three of the present "State of the Art" high noise level microphones. They are the M-87/AIC and M-87/AIC+ (EV 693) both made by Electro-Voice and the HNL bone conduction microphone made by SETCOM Corporation. The advantages and disadvantages of using a bone conduction microphone over a boom mounted microphone are also investigated.