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    • 42. 发明专利
    • Sound input device
    • 声音输入设备
    • JP2006084898A
    • 2006-03-30
    • JP2004270772
    • 2004-09-17
    • Nissan Motor Co Ltd日産自動車株式会社
    • KAMINUMA MITSUNOBU
    • G10L15/20G10L21/02
    • PROBLEM TO BE SOLVED: To provide a sound input device capable of removing diffusive noise with a slight increase in calculation quantity as compared with SBE applied to a general frequency domain ICA.
      SOLUTION: The sound input device detects a sound including a target sound and a non-target sound by a plurality of microphones 10-1 to 10-n to obtain a plurality of sound signals including target sound signals and non-target sound signals and implements an independent component analyzing method of acquiring, by repetitive learning, a filter separating one target sound signal from the sound signals. A sound frequency band is divided into a plurality of frequency division bands at a band division stage 30, discrimination levels for evaluating target sound separation performance of the filter obtained by the learning are calculated by the frequency division bands at an evaluation stage 50, and a frequency division band for learning calculation is determined at a determination stage 60 among the frequency division bands based upon the discrimination levels.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种与应用于一般频域ICA的SBE相比,能够轻微地增加计算量来消除扩散噪声的声音输入装置。 解决方案:声音输入装置通过多个麦克风10-1至10-n检测包括目标声音和非目标声音的声音,以获得包括目标声音信号和非目标声音的多个声音信号 信号和实现独立的分量分析方法,通过重复学习获得将一个目标声音信号与声音信号分离的滤波器。 在频带分割级30,将声频带分割为多个分频频带,通过评价阶段50的分频频带来计算用于评估通过学习获得的滤波器的目标声音分离性能的判别水平, 基于鉴别水平,在分频频带中的判定级60确定用于学习计算的分频频带。 版权所有(C)2006,JPO&NCIPI
    • 43. 发明专利
    • Speech recognition device, and dictionary preparation method for speech recognition device
    • 语音识别装置和用于语音识别装置的词典准备方法
    • JP2005189289A
    • 2005-07-14
    • JP2003427331
    • 2003-12-24
    • Nissan Motor Co Ltd日産自動車株式会社
    • KAMINUMA MITSUNOBURI AKINOBU
    • G10L15/18G10L15/00G10L15/06G10L15/28
    • PROBLEM TO BE SOLVED: To provide a speech recognition device capable of being flexibly compatible with application by effectively using memory, for the reason that although a conventional speech recognition device has utilized a network language dictionary and a statistical language dictionary, any of them has both advantages and disadvantages, and a practical performance has not been achieved, and moreover, although a method of combining them has also been offered, a sufficient result has not been obtained yet.
      SOLUTION: The speech recognition device uses a network syntax language dictionary and the statistical language dictionary together, and extracts a vocabulary having much frequency information to be connected to a vocabulary A included in the former language dictionary from the latter language dictionary, and adds this to the former language dictionary as a method. Thus, a language dictionary suitable for a user of the speech recognition device can be prepared.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供能够通过有效地使用存储器而能够灵活地与应用兼容的语音识别装置,因为尽管传统语音识别装置已经利用网络语言字典和统计语言字典, 它们既有优缺点,也没有实现实用性能,而且尽管还提供了组合它们的方法,但还没有获得足够的结果。 解决方案:语音识别装置一起使用网络语法语言字典和统计语言字典,并提取具有多个频率信息的词汇,以从后者语言字典连接到包括在前语言词典中的词汇A,以及 将其添加到前面的语言字典作为一种方法。 因此,可以准备适合于语音识别装置的用户的语言字典。 版权所有(C)2005,JPO&NCIPI
    • 44. 发明专利
    • Speech recognition apparatus
    • 语音识别装置
    • JP2005173134A
    • 2005-06-30
    • JP2003412250
    • 2003-12-10
    • Nissan Motor Co Ltd日産自動車株式会社
    • KAMINUMA MITSUNOBUCHINOMI SATOSHI
    • G10L15/18G10L15/00G10L15/08G10L15/10G10L15/28
    • PROBLEM TO BE SOLVED: To provide a speech recognition apparatus which creates an appropriate language dictionary by dynamically changing the language dictionary using information acquired by a communication means.
      SOLUTION: The speech recognition apparatus has a speech input means for inputting speech, a storage means for storing the language dictionary which is compared with the speech and evaluated, a speech recognition means for evaluating the speech by the language dictionary, the communication means, a next utterance prediction means for predicting the next utterance from information acquired by the communication means and a changing means for changing the contents of the language dictionary based on the next utterance predicted by the next utterance prediction means.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种语音识别装置,其通过使用由通信装置获取的信息动态地改变语言词典来创建适当的语言词典。 解决方案:语音识别装置具有用于输入语音的语音输入装置,用于存储与语音进行比较并评估的语言字典的存储装置,用于通过语言字典评估语音的语音识别装置,通信 意味着下一个话音预测装置,用于根据通信装置获取的信息预测下一个话语;以及改变装置,用于根据下一个话音预测装置预测的下一个发音改变语言词典的内容。 版权所有(C)2005,JPO&NCIPI
    • 45. 发明专利
    • Speech recognition device
    • 语音识别装置
    • JP2005037803A
    • 2005-02-10
    • JP2003276529
    • 2003-07-18
    • Nissan Motor Co Ltd日産自動車株式会社
    • KAMINUMA MITSUNOBUNAKAYAMA OKIHIKO
    • G01C21/00G10L15/00G10L15/06G10L15/10G10L15/28
    • PROBLEM TO BE SOLVED: To provide a speech recognition device to which an updating method for a language dictionary with which a vocabulary before replacement can be recognized even after the replacement by the update of the language dictionary and memory capacity, recognition rate or recognition time are not affected, can be applied. SOLUTION: The speech recognition device is principally constituted by installing a first memory means to use the language dictionary for recognition processing and a second memory means to use the language dictionary for the update processing, and storing, when the contents of the vocabularies stored in both the memory means are the same object, both the vocabularies in the first memory means together with an operation command indicating that the contents of of the vocabularies are the same object. Also, the constitution to control the updating method according to the use history of the vocabulary and the lapse of time after the update is employed for the dictionary updating. Consequently, the problem that when the language dictionary is updated in the speech recognition device, a user is requested to store the new information each time the update is performed and as a solution for the same, a method of previously storing both of the new and the old information is proposed but in such a case, the capacity of the storage device is increased and this causes the worry about the influence on a conversion speed and conversion accuracy, can be solved by the speech recognition device of this invention. Further, the speech recognition device includes the updating method for the language dictionary, with which a load on the user is reduced. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种语音识别装置,即使在通过更新语言字典和存储器容量的替换之后也可以识别用于替换之前的词汇的语言字典的更新方法,识别率或 识别时间不受影响,可以应用。 解决方案:语音识别装置主要通过安装第一存储装置来使用用于识别处理的语言字典和第二存储装置来使用用于更新处理的语言字典,并且当词汇的内容 存储在两个存储器装置中的是相同的对象,第一存储器中的词汇表都与指示词表的内容是相同对象的操作命令一起。 此外,采用根据词汇的使用历史和更新之后的时间流逝来控制更新方法的结构用于字典更新。 因此,当在语音识别装置中更新语言字典时,要求用户每次执行更新时存储新信息,并且作为其解决方案的问题,一种先前存储新的和 提出了旧的信息,但是在这种情况下,存储装置的容量增加,这导致担心对转换速度和转换精度的影响,可以通过本发明的语音识别装置来解决。 此外,语音识别装置包括语言字典的更新方法,用户的负载减少。 版权所有(C)2005,JPO&NCIPI
    • 46. 发明专利
    • Speech recognition device for traveling object
    • 用于旅行对象的语音识别装置
    • JP2004333870A
    • 2004-11-25
    • JP2003129740
    • 2003-05-08
    • Nissan Motor Co Ltd日産自動車株式会社
    • KAMINUMA MITSUNOBURI AKINOBU
    • G10L15/00G10L15/06G10L15/18G10L15/22G10L15/28
    • G10L15/197G10L15/183
    • PROBLEM TO BE SOLVED: To realize a recognition device that can have a high degree of freedom of grammatical input to a statistical language dictionary and dynamically realize high recognition performance like a network language dictionary while both the dictionary are mainly proposed for speech recognition.
      SOLUTION: An object to be applied is considered to be for a traveling object and simple speaking prediction is previously performed according to network grammar. A method of dynamically correcting the probability of concatenated words in the sequential and statistical language dictionary is based upon. A plurality of small-scale network grammar language dictionaries are installed as an embodied device and switched by contents, and necessary nodes of a large-scale network grammar language dictionary are selected. Here, the network language dictionary has limitations on grammar which can be inputted, but excellent recognition precision can be realized. The statistical language dictionary, on the other hand, has less grammatical restrictions, but speech recognition precision is low. In this embodiment, such problems are solved.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了实现能够对统计语言字典具有高自由度的语法输入的识别装置,并且动态地实现诸如网络语言字典之类的高识别性能,而这两种字典主要用于语音识别 。 解决方案:要应用的对象被认为是用于旅行对象,并且根据网络语法预先执行简单的说话预测。 在顺序和统计语言字典中动态地校正连接词的概率的方法是基于的。 安装多个小规模网络语法语言字典作为具体的设备,并通过内容进行切换,并选择大规模网络语法语言字典的必要节点。 这里,网络语言字典对可以输入的语法有限制,但是可以实现良好的识别精度。 另一方面,统计语言字典语法限制较少,但语音识别精度较低。 在本实施例中,解决了这些问题。 版权所有(C)2005,JPO&NCIPI
    • 48. 发明专利
    • Navigation system
    • 导航系统
    • JP2003035550A
    • 2003-02-07
    • JP2001223047
    • 2001-07-24
    • Nissan Motor Co Ltd日産自動車株式会社
    • KAMINUMA MITSUNOBU
    • G01C21/00G08G1/0969H04S1/00H04S7/00
    • PROBLEM TO BE SOLVED: To reduce troublesome feeling of a driver when a virtual sound source is presented audibly, and to accurately present the position of a guidance route to the driver.
      SOLUTION: The system is provided with sound output means 4, 8 and 7 which output sound, a current position detecting section 1 which detects current position information representing the current position of an own vehicle, an input section 2 which inputs destination information representing the destination of the own vehicle, a course determining/detecting section 11 which searches the guidance route through which the own vehicle reaches the destination being input in the input section 2 from the current position being input in the input section 2, a target spot determining section 12 which determines a spot to be targeted for the driver as a target spot in the guidance route searched by the course determining/detecting section 11, and a virtual sound source signal outputting/judging section 13 and a virtual sound source signal generating section 14 which calculate a relative position between the target spot being determined in the target spot determining section 12 and the current position being input in the input section 2, fix and set at least one virtual sound source at the target spot being determined in the target spot determining section 12, and generate/output a virtual sound source signal presenting the guidance route to the driver from the virtual sound source on the basis of the relative position.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:为了减少虚拟声源可听见地呈现驾驶员的烦琐感,并准确地向驾驶者呈现引导路线的位置。 解决方案:系统设有输出声音的声音输出装置4,8和7,检测表示本车当前位置的当前位置信息的当前位置检测部分1,输入表示目的地的目的地信息的输入部分2 ,从输入部2中输入的当前位置搜索本车到达目的地的引导路线的路线确定/检测部11,目标点确定部12 其将由驾驶员定位的点作为由路线确定/检测部分11搜索的引导路线中的目标点,虚拟声源信号输出/判断部分13和虚拟声源信号产生部分14计算 在目标点确定部分12中确定的目标点与当前位置之间的相对位置 在输入部分2中输入,在目标点确定部分12确定的目标点处固定和设置至少一个虚拟声源,并且从目标点确定部分12中向驾驶员生成/输出呈现引导路线的虚拟声源信号 虚拟声源在相对位置的基础上。