Title：Hearing Aid Device
Country：China
Patent No.：201310625422.3
Legal Status：Authorized
Inventor：Zhihua Wang, Fei Chen, Woogeun Rhee
Assignee：Tsinghua University
Address：Mailbox No. 82, Beijing 100084
Filing Date：2013-11-28
Issue Date：2016-08-17
Abstract：
The invention provides a hearing aid comprising a left ear aid, a right ear aid, and a portable terminal. The left ear aid comprises a left microphone, a left receiver, a first wireless transceiver, and a first battery. The right ear aid comprises a right microphone, a right receiver, a second transceiver and a second battery. The portable terminal comprises a third wireless transceiver, a dual-channel digital signal processor and a third battery. The third wireless transceiver receives left and right channel output. Acoustical signals processed by the dual-channel digital signal processor are output from left and right channels by the third transceiver. The digital signal processing part of the hearing aid is moved from the ear aids to the portable terminal, so that load of the batteries of the ear aids is reduced; a high-performance hardware circuit of the portable terminal, a flexible algorithm and more sufficient battery level provide wide functional extension and update space for complex digital signal processing, especially for binaural voice signal processing.
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