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Voice recognition device

  • US 8,099,290 B2
  • Filed: 10/20/2009
  • Issued: 01/17/2012
  • Est. Priority Date: 01/28/2009
  • Status: Active Grant
First Claim
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1. A voice recognition device comprising:

  • a sound standard model memory for storing a plurality of sound standard models corresponding respectively to a plurality of languages which are recognition objects;

    a voice label memory for storing a plurality of user dictionaries corresponding respectively to a plurality of languages;

    a first language switching unit for switching among a plurality of languages for said sound standard model memory to select one of the plurality of languages;

    a second language switching unit for switching among the plurality of languages for said voice label memory to select one of the plurality of languages;

    a control unit for causing said first language switching unit and said second language switching unit to switch in synchronization with each other;

    an acoustic analysis unit for performing an acoustic analysis process on an inputted voice uttered by a user to output a feature vector time series of said voice uttered by the user; and

    a voice recognition unit for creating a voice label string for said inputted voice uttered by the user on a basis of both the feature vector time series from said acoustic analysis unit, and data about a sound standard model corresponding to the language for said sound standard model memory which is selected by said first language switching unit while said first language switching unit is caused to switch, and registering said voice label string with the language for said voice label memory which is selected by said second language switching unit in synchronization with said first language switching unit.

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