Method to determine a feedback threshold in a hearing device

Details Method to determine a feedback threshold in a hearing device Method to determine a feedback threshold in a hearing device

2006-03-07

2006-03-07

Tran, Sinh (Department: 2646)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Noise compensation circuit

C381S321000

Reexamination Certificate

active

07010135

ABSTRACT:
A feedback threshold in a hearing device is determined by feeding an input signal to the hearing device while it is inserted in an ear canal of a user. The input signal results in a higher amplification than a supposed, that is, not yet known, feedback threshold. An amplification in the forward path of the device is measured. The feedback threshold is equal to the measured amplification.

REFERENCES:
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patent: 6134329 (2000-10-01), Gao et al.
patent: 6404895 (2002-06-01), Weidner
patent: 2001/0002930 (2001-06-01), Kates
patent: 2003/0012391 (2003-01-01), Armstrong et al.
patent: 00/21332 (2000-04-01), None

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