| 摘要 |
PROBLEM TO BE SOLVED: To select a music matching the mood of a user without requiring complex operations and to allow the user to intuitively understand the music when the music is selected by a music playback device. SOLUTION: When a main category change command is received, a main category change section 21 refers to a category information storage section 32 to change setting from a main category under current setting to other main category according to a predetermined order (a step S1010). After completing the main category change processing, a sub category change section 22 refers to the category information storage section 32 to select one sub category from among sub categories belonging to the newly set main category by use of random numbers (a step S1020). An image data generation section 24 reads the displayed information corresponding to the set main category and corresponding to the set sub category from a main-category expression-information storage section 33 and a sub-category expression-information storage section 34, and generates image data according to the read displayed information (S40). COPYRIGHT: (C)2008,JPO&INPIT
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