A HEARING AID DEVICE INCLUDING A SELF-CHECKING UNIT FOR DETERMINE STATUS OF ONE OR MORE FEATURES OF THE HEARING AID DEVICE BASED ON FEEDBACK RESPONSE
The disclosure present a method for determining a status of one or more features of a hearing aid device and a hearing system, wherein the hearing system includes the hearing aid device, and the hearing aid device comprises a housing part, a connection part and an ear piece connected via the connect...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The disclosure present a method for determining a status of one or more features of a hearing aid device and a hearing system, wherein the hearing system includes the hearing aid device, and the hearing aid device comprises a housing part, a connection part and an ear piece connected via the connection part to the housing part, and wherein the hearing aid device comprising; a first microphone configured to receive a first acoustic signal and provide a first audio signal based on the first acoustic signal, a signal processor connected to the first microphone and configured to receive the first audio signal and provide an output audio signal based on the first audio signal, a speaker configured to receive the output audio signal and output an acoustic output signal via the ear piece, an anti-feedback unit configured to receive the output audio signal from the signal processor and a secondary first audio signal from the first microphone, and the anti-feedback unit is further configured to estimate a first feedback response of a feedback path from the speaker to the first microphone based on a feedback estimate and the received secondary first audio signal and the output audio signal, and
wherein the hearing system includes a self-checking unit configured to communicate with the anti-feedback unit, and the self-checking unit is configured to compare the first feedback response with a first feedback input signal, and the hearing system is configured to determine a status of one or more features in the hearing aid device based on the comparison between the first feedback response and the first feedback input signal. |
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