| 摘要 |
PROBLEM TO BE SOLVED: To reproduce data stored in a portable reproducing device in excellent quality. SOLUTION: Since enciphered and compressed music data stored in a portable reproducing device 3 are processed in a decoder section 45 and a music data processing section 46 of a reproduction-only audio system 5, music signals are obtained in the quality higher than reproduced in the decoder section 36 and the music data processing section 37 of the portable reproducing device 3. As a result, this reproducing system can provide a user with the music of excellent quality. COPYRIGHT: (C)2005,JPO&NCIPI
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