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    • 9. 发明授权
    • Apparatus and method for recognizing voice
    • 用于识别语音的装置和方法
    • US08140334B2
    • 2012-03-20
    • US11475963
    • 2006-06-28
    • Sang-bae JeongNam-hoon KimJeong-su KimIn-jeong ChoiIck-sang Han
    • Sang-bae JeongNam-hoon KimJeong-su KimIn-jeong ChoiIck-sang Han
    • G10L15/14G10L15/00
    • G10L15/142
    • An apparatus and method for recognizing voice. The apparatus includes a feature vector extraction unit dividing an input voice signal into predetermined unit regions, and extracting feature vectors corresponding to each of the unit regions; a predicted node extraction unit extracting a list of second nodes whose travels to a first node corresponding to the extracted feature vectors are predicted, with reference to a network of one or more nodes; a single waveform similarity calculation unit calculating degrees of single waveform similarity of the first node and the second nodes of the list by substituting the extracted feature vectors into single waveform probability distributions that constitute voice signals corresponding to the second nodes; a multiple waveform similarity calculation unit calculating degrees of multiple waveform similarity by substituting the extracted feature vectors into multiple waveform probability distributions that constitute single waveform probability distributions usable to calculate the degrees of single waveform similarity in a preset range; and an output unit outputting a function-performing signal corresponding to a multiple waveform probability distribution that enables calculation of a highest of the calculated degrees of multiple waveform similarity.
    • 用于识别语音的装置和方法。 该装置包括:特征向量提取单元,将输入的语音信号划分为预定的单位区域;提取与每个单位区域对应的特征向量; 参考一个或多个节点的网络,预测提取与对应于所提取的特征向量的对第一节点的行进的第二节点的列表的预测节点提取单元; 单个波形相似度计算单元,通过将提取的特征向量代入构成对应于第二节点的语音信号的单波形概率分布来计算第一节点和列表的第二节点的单波形相似度的度数; 多波形相似度计算单元,通过将所提取的特征向量代入构成单个波形概率分布的多个波形概率分布来计算多个波形相似度,以计算预设范围内的单一波形相似度; 以及输出单元,输出与多波形概率分布相对应的功能执行信号,能够计算所计算出的多重波形相似度的最高值。