Electronic devices, methods of operating the same, and...

Details Electronic devices, methods of operating the same, and... Electronic devices, methods of operating the same, and...

2006-07-25

2006-07-25

Mei, Xu (Department: 2644)

Electrical audio signal processing systems and devices

Directive circuits for microphones

C381S094100, C381S317000

Reexamination Certificate

active

07082204

ABSTRACT:
Noise, such as wind noise, for example, may be detected in an electronic device by generating first and second microphone signals. Cross correlation coefficients are determined for the first and the second microphone signals and autocorrelation coefficients are determined for the first and second microphone signals, respectively. A determination may be made with regard to the presence of a noise component in at least one of the microphone signals based on the cross correlation coefficients, the first autocorrelation coefficients, and the second autocorrelation coefficients.

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International Search Report, PCT/EP03/06470, Sep. 17, 2003.

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