Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices
Reexamination Certificate
2006-05-02
2006-05-02
Meky, Moustafa M. (Department: 2157)
Electrical audio signal processing systems and devices
Monitoring/measuring of audio devices
C704S246000
Reexamination Certificate
active
07039193
ABSTRACT:
Whether a microphone is connected to a real-time audio communication system of a computer may be detected by recording an audio sample through the real-time audio communication system, filtering a DC component is filtered out of the audio data, recognizing a pattern in the auto-correlation coefficients of the filtered audio sample, and determining whether a microphone is properly connected to the real-time audio communication system based on the values of the auto-correlation function coefficients and the predetermined values.
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Mantegna John
Wu Shuwu
America Online Inc.
Meky Moustafa M.
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