Electrical audio signal processing systems and devices – Hearing aids – electrical – Noise compensation circuit
Reexamination Certificate
2007-02-20
2007-02-20
Le, Huyen (Department: 2615)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Noise compensation circuit
C381S312000, C381S313000
Reexamination Certificate
active
10273066
ABSTRACT:
A hearing aid is provided that avoids disturbing acoustic effects caused by on, off, or switchover events. The signal processing in the hearing aid is switched in sliding fashion from a first operating condition into a second operating condition. According to the invention, both operating conditions are simultaneously present in the hearing aid during the switching event. The sliding transition ensues by a parallel signal processing in at least two signal paths of the hearing aid, whereby a signal that results from the first operating condition and a signal that results from the second operating condition are added in changing weighting.
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Fischer Eghart
Hamacher Volkmar
Le Huyen
Schiff & Hardin LLP
Siemens Audiologische Technik GmbH
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