Microphone system with directional response

Details Microphone system with directional response Microphone system with directional response

2007-05-01

2007-05-01

Le, Huyen (Department: 2615)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Directional

C381S092000

Reexamination Certificate

active

10539177

ABSTRACT:
Hearing aid with a microphone system for providing a directional response by generating a fixed forward pointing directivity pattern and a fixed backward pointing directivity pattern and where the forward and backward directivity pattern signals are mixed at a ratio, which ensures energy minimization of the output signal, and where the fixed directivity patterns are set for optimized directivity when the microphone system is located near or at an object.

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patent: 7020290 (2006-03-01), Ribic
patent: 2002/0034310 (2002-03-01), Hou
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patent: 0197558 (2001-12-01), None
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