Directional microphone system

Details Directional microphone system Directional microphone system

2006-10-03

2006-10-03

Pendleton, Brian T. (Department: 2615)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Directional

C381S092000, C381S357000

Reexamination Certificate

active

07116792

ABSTRACT:
A second-order microphone system is constructed of two null-less first-order microphone elements. The null-less first-order microphone elements prevent the degradations that occur in performance when a second-order microphone system is used at the side of a person's head.

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