Method for processing an input signal to generate an output...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Noise compensation circuit

Reexamination Certificate

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C381S312000

Reexamination Certificate

active

07372969

ABSTRACT:
A method and a system for defining a threshold value (Omax, Omin, OTR) serving to limit the output signal of a processing unit which is fed an input signal. An input-signal level is determined and the threshold value (Omax, Omin, OTR) is set as a function of that input-signal level. By virtue of the fact that the threshold value is set as a function of the input-signal level, i.e. in adaptive fashion, it is also possible to limit transient noise whose level is well below the maximum value of the threshold value. As a result, when the method or system is applied in a hearing aid, the hearing comfort of the wearer of the hearing aid can be significantly enhanced.

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Search report for Australian Patent Application No. 2001276230, dated Nov. 16, 2007.

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