| 摘要 |
A storing unit stores a plurality of music data and music data relating information that relates a keyword to each of the music data, a reproducing unit reproduces the music data stored in the storing unit, a searching unit searches the storing unit for music data based on the music data relating information when a user inputs a keyword, an extracting unit extracts characteristics of the music data while the music data are reproduced by the reproducing unit, and a preparing unit prepares a keyword using the characteristics of the music data extracted by the extracting unit, relates the prepared keywords to the music data, and causes the storing unit to store the related data.
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