Disk recording/reproducing apparatus and disks applied therein

Details Disk recording/reproducing apparatus and disks applied therein Disk recording/reproducing apparatus and disks applied therein

G - Physics

11

B

G11B 20/12 (2006.01) G11B 7/007 (2006.01) G11B 20/00 (2006.01)

Patent

CA 2078981

There is disclosed a disk recording/reproducing apparatus in which a recording area for addition data is ensured in a reproduction or playback only area where recording data of the same data structure as that of a recording/reproducing area are recorded, thus making it possible to reproduce the addition data along with the recording data. Compressed data obtained by implementing, by using an ATRAC encoder 13, data compression to successively inputted digital data is divided into clusters, and cluster connection sectors longer than an interleaving length are provided at the connection portions of respective clusters to implement interleaving processing to recording data to record them into a recording/reproducing,area of a magneto-optical disk 2, and to reproduce them by using an optical head 3. From a reproduction or playback only area of the magneto-optical disk 2, addition data are reproduced from sectors corresponding to the cluster connection sectors.

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