MICROPHONE ARRAY CALIBRATION METHOD AND APPARATUS
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United States of America Patent
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app pub date -
Aug 15, 2012
filing date -
Dec 22, 2008
priority date (Note) -
Abandoned
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Abstract
An apparatus for providing real-time calibration for two or more microphones. A calibrator for receiving a left microphone signal and a right microphone signal and generating phase difference data. A phase and amplitude correction system for receiving one of the left microphone signal or the right microphone signal the phase difference data and generating calibration data for a beamformer. The beamformer receiving the calibration data, the left microphone signal and the right microphone signal and generating a monaural beamformed signal.
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