| 摘要 |
PROBLEM TO BE SOLVED: To provide a data processor capable of compressing audio data at an optimum data compression ratio when the audio data are compressed and stored. SOLUTION: The data processor 100 which compresses the audio data when storing the audio data is equipped with a category decision means 7 of deciding which specified category audio corresponding to the audio data belongs to, a compression ratio selecting means 8 of selecting a data compression ratio corresponding to the specified category, a data compressing means 9 of compressing the audio data at the data compression ratio into compressed audio data, and a storage means 6 of storing the compressed audio data. COPYRIGHT: (C)2007,JPO&INPIT
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