| 摘要 |
A method of generating recording data of an extended format corresponding to a recording density higher than that of a standard format, includes the steps of dividing an input data sequence into a plurality of channels in units of predetermined data, performing error correction encoding for the respective channels by using the same error correction code as that of the standard format, thereby generating error correction blocks, synthesizing the error correction blocks of the respective channels, and generating recording data of the extended format from the synthesized error correction block.
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