BOOK SEARCH DEVICE, BOOK SEARCH DATABASE GENERATION DEVICE, BOOK SEARCH METHOD, BOOK SEARCH DATABASE GENERATION METHOD, AND PROGRAM

摘要

The present invention efficiently searches for a book to be used for training for reducing metathesis. A book search database storage unit 110 stores a book search database in which information for specifying a book, frequency information for each neighborhood number for which among books, pairs of speech sound and kana notations appear in a normal order, and frequency information for each neighborhood number for which among books, the pairs appear in a reverse order, are associated with each other. A display unit 300 displays a book search screen including a correctly pronounced phrase input area and an incorrectly pronounced phrase input area. A subject pronunciation designation unit 120 determines two speech sound and kana notations and the neighborhood numbers, which are search conditions, on the basis of an input to the correctly pronounced phrase input area and an input to the incorrectly pronounced phrase input area. A subject book information generation unit 130 generates, from the book search database, a search result including information about a book matching the search conditions.