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    • 3. 发明授权
    • Mechanical rotation and electrical interface combination
    • 机械旋转和电气接口组合
    • US07535722B2
    • 2009-05-19
    • US11477582
    • 2006-06-29
    • Lars Nord
    • Lars Nord
    • H05K5/00
    • H04M1/0233H01R13/6271H01R39/64H04M1/0216
    • A mechanical rotation and electrical interface device is provided in a portable electronic device. The interface device includes a hinge having a single signal connection in its interior between a first and a second part of the portable electronic device, a first processing unit connected to the hinge and to a number of parallel conductors in the first part, where the first processing unit receives a number of parallel electrical signals generated in the first part, combines these into a single signal and transmits this single signal over the single signal connection, and a second processing unit connected to the hinge and to a number of parallel conductors provided in the second part, where the second processing unit receives the combined signal, splits it into a number of parallel signals and provides these to the parallel conductors provided in the second part.
    • 在便携式电子设备中提供机械旋转和电接口设备。 接口装置包括铰链,其内部具有在便携式电子设备的第一和第二部分之间的单一信号连接,连接到铰链的第一处理单元和第一部分中的多个平行导体,其中第一 处理单元接收在第一部分中生成的多个并行电信号,将它们组合成单个信号,并通过单个信号连接发送该单个信号;以及第二处理单元,连接到铰链和多个平行导体, 第二部分,其中第二处理单元接收组合信号,将其分割成多个并行信号,并将其提供给设置在第二部分中的并行导体。
    • 8. 发明授权
    • Noise reduction and audio-visual speech activity detection
    • 降噪和视听语音活动检测
    • US07684982B2
    • 2010-03-23
    • US10542869
    • 2004-01-09
    • Morio Taneda
    • Morio Taneda
    • G10L21/02
    • G10L15/25G10L15/20G10L21/0208G10L25/78G10L2021/02168
    • A noise reduction system including an audio-visual user interface combines visual features extracted from a digital video sequence with audio features extracted from an analog audio sequence. The digital video sequence may show the face of a speaker, and the analog audio sequence may include background noise in an environment of said speaker. Audio sequence detection means are used to detect said analog audio sequence, and audio feature extraction and analysis means are used to analyze said analog audio sequence and extract said audio features therefrom. Video sequence detection means are used to detect said video sequence, and visual feature extraction and analysis means are used to analyze the detected video sequence and extract said visual features therefrom. A noise reduction circuit is configured to separate the speaker's voice from said background noise based on a combination of derived speech characteristics and output a speech activity indication signal. The speech activity indication signal includes a combination of speech activity estimates supplied by said audio feature extraction and analysis means and said visual feature extraction and analysis means. A multi-channel acoustic echo cancellation unit is configured to perform a near-end speaker detection and double-talk detection algorithm based on the speech characteristics derived by said audio feature extraction and analysis means and said visual feature extraction and analysis means.
    • 包括视听用户界面的降噪系统将从数字视频序列提取的视觉特征与从模拟音频序列中提取的音频特征相结合。 数字视频序列可以显示扬声器的面部,并且模拟音频序列可以在所述扬声器的环境中包括背景噪声。 音频序列检测装置用于检测所述模拟音频序列,音频特征提取和分析装置用于分析所述模拟音频序列并从中提取所述音频特征。 视频序列检测装置用于检测所述视频序列,并且使用视觉特征提取和分析装置来分析检测到的视频序列并从中提取所述视觉特征。 降噪电路被配置为基于导出语音特征的组合将扬声器的语音与所述背景噪声分离,并输出语音活动指示信号。 语音活动指示信号包括由所述音频特征提取和分析装置提供的语音活动估计和所述视觉特征提取和分析装置的组合。 多声道回波消除单元被配置为基于由所述音频特征提取和分析装置以及所述视觉特征提取和分析装置导出的语音特征来执行近端说话者检测和双方通话检测算法。