Programmable signal processing device

H - Electricity – 04 – R

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349/26

H04R 25/00 (2006.01) H04R 3/00 (2006.01)

Patent

CA 1176366

ABSTRACT OF THE DISCLOSURE The invention relates to a programmable signal pro- cessing device primarily intended for hearing aids and of the kind which include an electronically controlled signal pro- cessor. Hearing aids for persons having impaired hearing are normally adjusted for only one frequency response and are adapted to amplify the frequencies which the patient has difficulty in hearing. At different sound environments, as for example conversations with disturbing background sounds, normal conversation in quiet environments or at lectures, the conditions of listening are different. Up to now this pro- blem has not been solved satisfactorily for hearing aids. With the present invention a number of different signal pro- cesses, can easily be selected to suit different sound situa- tions automatically or by the user himself. This is accompli- shed in that a memory is arranged to store information/data for at least two unique signal processes adjusted to different sound environments/listening situations and that a control unit, manual or automatic, is arranged to transmit information/ data, for one of the unique signal processes, from the memory to the signal processor, to bring about one signal process adjusted to a particular sound environment/listening situa- tion.

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