| 摘要 |
A content recording/erasing apparatus includes a hard disk. An unnecessary MPEG file recorded on the hard disk is intermittently erased part by part in parallel with a normal recording process. It is noted that prior to a start of erasing the unnecessary MPEG file, time length data relating to a total amount of an actual remaining amount of the hard disk and the unnecessary MPEG file is set in a remaining amount register, and a setting value is periodically subtracted.
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