| 摘要 |
PROBLEM TO BE SOLVED: To provide a language model update device for voice recognition devices, which can improve a recognition rate of a specified word in which improvement of the recognition rate is desired, and can suppress the degradation of the recognition rate of a similar word. SOLUTION: The language model update device for voice recognition devices 100 comprises: a keyword storage means 101 for storing a keyword; an influence degree calculation means 105 for calculating an influence degree to a similar word by improving a recognition rate of the keyword; a language score adjusting means 104 for adjusting at least either a bonus given to the language score of the keyword, or a penalty given to the language score of the similar word based on the influence degree; and a language score update means 106 for giving at least either the bonus which is adjusted by the language score adjusting means 104 to the language score of the keyword, or the penalty which is adjusted by the language score adjusting means 104 to the language score of the similar word. Thus, the language score of a language model 107 is updated. COPYRIGHT: (C)2010,JPO&INPIT |
