G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 20/12 (2006.01) G11B 20/18 (2006.01) G11B 27/034 (2006.01)
Patent
CA 2063910
A data recording method by which data of a compact disk can be recorded well onto a magneto-optic disk of the ISO format. Data of a compact disk are recorded onto a 5-inch magneto-optic disk (ISO format) of the 512 bytes/sector type of the CS system. The sector size of the magneto-optic disk is 610 bytes. Data included in one sector (98 frames) of the compact disk are 2.352 bytes and subcodings of P to W are 96 bytes. Data for one sector are divided into data groups A to H to construct a data format. A CRC is added to each data group. Further, a parity 2 (Reed-Solomon node) is added. Data (3,050 bytes) for one sector of the compact disk to which the CRCs, parities and so forth are added are recorded across 5 sectors of the magneto-optic disk. Data of a compact disk can be recorded onto a magneto-optic disk having a different sector size. and since error correction codes or error detection codes are added using the remaining area, the data can be recorded with a high degree of accuracy.
Gowling Lafleur Henderson Llp
Sony Corporation
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