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    • 13. 发明授权
    • Word spotting in a variable noise level environment
    • 在可变噪声水平环境中的字眼
    • US5794194A
    • 1998-08-11
    • US794770
    • 1997-02-03
    • Yoichi TakebayashiHiroyuki TsuboiHiroshi Kanazawa
    • Yoichi TakebayashiHiroyuki TsuboiHiroshi Kanazawa
    • G10L15/00G10L15/04G10L5/06G10L7/08
    • G10L15/05G10L2015/088
    • Low- and high-dimensional feature parameters are obtained by analyzing a speech pattern to be recognized. A word spotting section extracts a plurality of approximate word feature vector candidates representing word features from the low-dimensional feature parameter without fixing word boundaries. Start and end points are detected for each of the word feature vector candidates. Detail word feature vector candidates are extracted from the high-dimensional feature parameter in accordance with the detected start and end points. A recognition dictionary stores reference patterns with which the detail word feature vector candidates are matched. A pattern matching section calculates similarity values between each of the detail word feature vector candidates and the reference patterns stored in the recognition dictionary. A recognition result selects reference patterns stored in the recognition dictionary when its similarity value is greater than a prescribed threshold value.
    • 通过分析要识别的语音模式获得低维和高维特征参数。 单词识别部分从低维特征参数提取表示单词特征的多个近似字特征向量候选而不固定词边界。 对于每个单词特征向量候选来检测起点和终点。 根据检测到的起点和终点,从高维特征参数提取细节特征向量候选。 识别词典存储细节词特征向量候选与之匹配的参考模式。 模式匹配部分计算每个细节特征向量候选和存储在识别字典中的参考模式之间的相似度值。 当识别结果的相似度值大于规定的阈值时,识别结果选择存储在识别词典中的参考模式。
    • 15. 发明授权
    • Computer system for interactive help using human-understandable
knowledge and computer-understandable knowledge
    • 使用人类可理解知识和计算机可理解知识的交互式帮助的计算机系统
    • US6098061A
    • 2000-08-01
    • US816972
    • 1997-03-13
    • Kazuyuki GotohHideo NumagamiYoichi TakebayashiKouichi Sasaki
    • Kazuyuki GotohHideo NumagamiYoichi TakebayashiKouichi Sasaki
    • G06F17/30G06F9/44G06N5/02G06N5/04G06N5/00
    • G06N5/02
    • A computer-understandable knowledge base for accumulating computer-understandable task knowledge and a know-how knowledge base for accumulating know-how knowledge understandable for a human being are provided. In accordance with, for example, a result of the process for solving a problem which has been performed by the computer-understandable knowledge base 1, know-how knowledge relating to the problem solution is automatically retrieved and presented. Since know-how knowledge relating to the problem solution is automatically retrieved and presented in accordance with the state of the problem solving process which has been performed by the computer-understandable knowledge base, a user is able to efficiently make a reference to required know-how knowledge without a complicated process for conditions for retrieving the know-how knowledge. Even if a problem cannot be solved by the computer-understandable knowledge base, the know-how knowledge is used to guide the problem solution.
    • 提供了计算机可理解的知识库,用于积累计算机可理解的任务知识和专门知识库,用于积累人类可理解的知识知识。 根据例如解决由计算机可理解的知识库1执行的问题的处理的结果,自动检索和呈现与问题解决方案相关的知识知识。 由于根据计算机可理解的知识库执行的问题解决过程的状态自动检索和呈现与问题解决相关的知识知识,用户能够有效地参考所需的知识库, 知识如何没有复杂的过程,用于检索知识知识的条件。 即使计算机可理解的知识库无法解决问题,使用知识知识来指导问题解决方案。
    • 16. 发明授权
    • Speech recognition interface system suitable for window systems and
speech mail systems
    • 语音识别接口系统适用于窗口系统和语音邮件系统
    • US5632002A
    • 1997-05-20
    • US178731
    • 1993-12-28
    • Hideki HashimotoYoshifumi NagataShigenobu SetoYoichi TakebayashiHideaki ShinchiKoji Yamaguchi
    • Hideki HashimotoYoshifumi NagataShigenobu SetoYoichi TakebayashiHideaki ShinchiKoji Yamaguchi
    • G06F3/16H04M3/533G10L5/06
    • G06F3/165H04M3/533H04M2201/40
    • A speech recognition interface system capable of handling a plurality of application programs simultaneously, and realizing convenient speech input and output modes which are suitable for the applications in the window systems and the speech mail systems. The system includes a speech recognition unit for carrying out a speech recognition processing for a speech input made by a user to obtain a recognition result; a program management table for managing program management data indicating a speech recognition interface function required by each application program; and a message processing unit for exchanging messages with the plurality of application programs in order to specify an appropriate recognition vocabulary to be used in the speech recognition processing of the speech input to the speech recognition unit, and to transmit the recognition result for the speech input obtained by the speech recognition unit by using the appropriate recognition vocabulary to appropriate ones of the plurality of application programs, according to the program management data managed by the program management table.
    • 一种能够同时处理多个应用程序的语音识别接口系统,并且实现了适合于窗口系统和语音邮件系统中的应用的方便的语音输入和输出模式。 该系统包括语音识别单元,用于对由用户进行的语音输入执行语音识别处理以获得识别结果; 用于管理指示每个应用程序所需的语音识别接口功能的程序管理数据的程序管理表; 以及消息处理单元,用于与多个应用程序交换消息,以便指定要在语音识别单元输入的语音的语音识别处理中使用的适当的识别词汇,并且发送用于语音输入的识别结果 根据由程序管理表管理的程序管理数据,由语音识别单元通过使用适当的识别词汇对多个应用程序中的适当的应用程序进行获取。
    • 17. 发明授权
    • Speech recognition system having word-based and phoneme-based
recognition means
    • 语音识别系统具有基于字和音素的识别手段
    • US5315689A
    • 1994-05-24
    • US996859
    • 1992-12-21
    • Hiroshi KanazawaYoichi Takebayashi
    • Hiroshi KanazawaYoichi Takebayashi
    • G10L15/00G10L9/00
    • G10L15/00
    • A speech recognition system includes a parameter extracting section for extracting a speech parameter of input speech, a first recognizing section for performing recognition processing by word-based matching, and a second recognizing section for performing word recognition by matching in units of word constituent elements. The first word recognizing section segments the speech parameter in units of words to extract a word speech pattern and performs word recognition by matching the word speech pattern with a predetermined word reference pattern. The second word recognizing section performs recognition in units of word constituent elements by using the extracted speech parameter and performs word recognition on the basis of candidates of an obtained word constituent element series. The speech recognition system further includes a recognition result output section for obtaining a recognition result on the basis of the word recognition results obtained by the first and second recognizing sections and outputting the obtained recognition result. The speech recognition system further includes a word reference pattern learning section for performing learning of a word reference pattern on the basis of the recognition result obtained by the recognizing result output section and the word speech pattern.
    • 语音识别系统包括用于提取输入语音的语音参数的参数提取部分,用于通过基于字的匹配进行识别处理的第一识别部分和用于通过字组成元素单元进行匹配来执行字识别的第二识别部分。 第一字识别部分以单词为单位对语音参数进行分段以提取单词语音模式,并通过将单词语音模式与预定字参考模式进行匹配来执行字识别。 第二字识别部分通过使用所提取的语音参数来执行单词组成元素的识别,并且基于获得的单词构成要素序列的候选进行字识别。 语音识别系统还包括识别结果输出部分,用于基于由第一和第二识别部分获得的字识别结果获得识别结果,并输出所获得的识别结果。 该语音识别系统还包括一个字参考模式学习部分,用于根据由识别结果输出部分获得的识别结果和单词语音模式来执行一个单词参考模式的学习。
    • 18. 发明授权
    • Speech recognition apparatus
    • 语音识别装置
    • US4624010A
    • 1986-11-18
    • US460303
    • 1983-01-24
    • Yoichi Takebayashi
    • Yoichi Takebayashi
    • G10L15/10G10L15/00G10L15/02G10L5/00
    • G10L15/00
    • A speech recognition apparatus includes a speech signal analyzing circuit for time-sequentially generating acoustic parameter patterns representing the phonetic features of speech signals, and phoneme reference memories each storing a plurality of reference parameter pattern vectors. A phoneme pattern vector from the speech signal analyzing circuit is compared with each of the reference pattern vectors stored in the phoneme reference memories in order to recognize an input speech. The speech signal analyzing circuit has a parameter extraction circuit for time-sequentially extracting acoustic parameter patterns representing the speech signal, a first phoneme pattern vector memory for storing a phoneme pattern vector including an acoustic parameter pattern of each frame from the parameter extraction circuit, and a second phoneme pattern vector memory for storing a phoneme pattern vector including a plurality of parameter patterns from the parameter extraction circuit.
    • 语音识别装置包括语音信号分析电路,用于时间顺序地产生表示语音信号的语音特征的声学参数模式,以及每个存储多个参考参数模式向量的音素参考存储器。 将来自语音信号分析电路的音素图案向量与存储在音素参考存储器中的每个参考图形矢量进行比较,以便识别输入语音。 语音信号分析电路具有用于时间顺序地提取表示语音信号的声学参数模式的参数提取电路,用于存储包括来自参数提取电路的每个帧的声学参数模式的音素模式向量的第一音素模式向量存储器,以及 第二音素图案向量存储器,用于存储来自参数提取电路的包括多个参数图案的音素图案向量。