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    • 8. 发明授权
    • Speech recognizing apparatus
    • 语音识别装置
    • US06701292B1
    • 2004-03-02
    • US09699777
    • 2000-10-30
    • Chiharu KawaiHiroshi KatayamaTakehiro Nakai
    • Chiharu KawaiHiroshi KatayamaTakehiro Nakai
    • G10L1510
    • G10L15/10
    • A speech-recognizing apparatus for recognizing input speech comprises, an analysis unit for computing a characteristic vector for each of frames of the input speech, a correction-value storage unit for storing a correction distance in advance, a vector-to-vector-distance-computing unit for computing a vector-to-vector distance between the characteristic vector and the phoneme characteristic vector, an average-value-computing unit for computing an average value of vector-to-vector distances for one of the frames, a correction unit for computing a corrected vector-to-vector distance as a value of an expression of (the vector-to-vector distance-the average value+the correction distance), and a recognition unit for cumulating corrected vector-to-vector distances into a cumulative vector-to-vector distance and comparing the cumulative vector-to-vector distance with the word standard pattern in order to recognize the input speech.
    • 用于识别输入语音的语音识别装置包括:用于计算输入语音的每个帧的特征向量的分析单元,用于预先存储校正距离的校正值存储单元,矢量到矢量的距离 计算单元,用于计算特征矢量和音素特征向量之间的矢量到矢量的距离;平均值计算单元,用于计算一个帧的矢量到矢量距离的平均值,校正单元 用于计算校正的矢量到矢量距离作为(矢量到矢量距离 - 平均值+校正距离)的表达式的值,以及用于将校正的矢量到矢量距离累加到 累积矢量到矢量距离,并将累积矢量与矢量距离与字标准模式进行比较,以识别输入语音。