| 摘要 |
PROBLEM TO BE SOLVED: To provide a signal processing apparatus improved in data reliability by performing data recovery without any overhead such as rotation waiting, or by performing data repeatedly, and also to provide its implementing apparatus. SOLUTION: This signal processing apparatus includes a signal processing circuit to store reproduced signal in a secondary storage means such as a memory and to repeatedly process the reproduced signal stored in the secondary storage means. These operations are efficiently controlled by a switching condition detecting means for monitoring a data decoding state to perform data decoding processing. Thus, a data recovery processing speed is increased, or data reliability is enhanced. COPYRIGHT: (C)2008,JPO&INPIT
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