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Method of accelerating the training of an acoustic echo canceller in a full-duplex beamforming-based audio conferencing system
Method of accelerating the training of an acoustic echo canceller in a full-duplex beamforming-based audio conferencing system
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机译:在基于全双工波束形成的音频会议系统中加速回声消除器训练的方法
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摘要
A method and apparatus is set forth for accelerating the total acoustic echo cancellation convergence time in a microphone array full-duplex conferencing system with beamformer. The invention is based on sequentially switching the beamformer to untrained sectors during periods of far-end speech activity and performing real-time cancellation of far-end echo signals from the near-end signals to consecutively adapt and store filter coefficients for the echo canceller corresponding to each sector.
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