Hearing aid and operating method with switching among...

Details Hearing aid and operating method with switching among... Hearing aid and operating method with switching among...

2008-03-04

2008-03-04

Tran, Sinh (Department: 2615)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Directional

C381S092000, C381S119000

Reexamination Certificate

active

07340073

ABSTRACT:
In a hearing aid having a microphone system composed of multiple microphone units, in order to avoid artefacts from being created when switching between different directional characteristics, the signal levels of microphone signals that respectively originate from different microphone units with different-order directional characteristics are matched with regard to a reference signal. The switching or superimposition is then always carried out between microphone signals with the same signal level, so that the switching or superimposition does not result in any sudden level changes.

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