| 摘要 |
An optical disc apparatus including a buffer controller managing a buffer memory, a disc state manager managing and searching for recordable/unrecordable states on a disc, a defect detector detecting defective sectors on the disc, and an optical disc drive device that can record even on the defective sectors. When a defective sector region i.e. a set of defective sectors exists in a wide range, file management information is recorded. If the range is narrow, recording is continued by recording dummy data on the defective sector region and resuming to record regular data upon arrival of normal sectors. The range of the defective sector region is defined as wide when the buffer memory would be exhausted on the way if the dummy data recording was continued, whereas it is defined as narrow when the buffer memory would not be exhausted.
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