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    • 9. 发明授权
    • Speaker independent speech recognition system and method using neural
network and DTW matching technique
    • 使用神经网络和DTW匹配技术的扬声器独立语音识别系统和方法
    • US5528728A
    • 1996-06-18
    • US89825
    • 1993-07-12
    • Yoshihiro MatsuuraToby Skinner
    • Yoshihiro MatsuuraToby Skinner
    • G10L15/10G10L15/02G10L15/12G10L15/16G01L5/06G01L9/00
    • G10L15/16G10L15/12
    • Improved speaker independent speech recognition system and method are disclosed in which an utterance by an unspecified person into an electrical signal is input through a device such as a telephone, the electrical signal from the input telephone converting the electrical signal into a time series of characteristic multidimensional vectors, the time series of characteristic multidimensional vectors are received, each of the vectors being converted into a plurality of candidates so that the plurality of phonemes constitutes a plurality of strings of phonemes in time series as a plurality of candidates, the plurality of candidates of phonemes are compared simultaneously (one at a time) with a reference pattern of a reference string of phonemes for each word previously stored in a dictionary to determine which string of phonemes derived from the phoneme recognition means has a highest similarity to one of the reference strings of the phonemes for the respective words stored in the dictionary using a predetermined word matching technique, and at least one candidate of the words as a result of word recognition on the basis of one of the plurality of the strings of phonemes which has the highest similarity to the corresponding one of the reference strings of the respective words is output as the result of speech recognition.
    • 公开了改进的与说话者无关的语音识别系统和方法,其中未指定的人进入电信号的话语通过诸如电话的设备输入,来自输入电话的电信号将电信号转换成时间序列的特征多维 向量,接收特征多维向量的时间序列,每个矢量被转换成多个候选,使得多个音素以时间序列构成多个音素串作为多个候选,多个候选的 将音素同时比较(一次一个))与先前存储在字典中的每个字的音素的参考串的参考图案,以确定从音素识别装置导出的哪个音素字符串与参考串之一具有最高的相似性 的词汇存储在词典中的各个词 使用预定的字匹配技术,以及作为词识别的结果的单词的至少一个候选,所述多个字符串与所述多个音素中的相应一个参考字符串具有最高相似性的音素中的一个 作为语音识别的结果输出各个单词。