| 摘要 |
PROBLEM TO BE SOLVED: To perform efficient recording/reproducing without depending upon the capacity of a file and to make the seamless property and random access property of data during recording/reproducing compatible with each other. SOLUTION: In the method for recording/reproducing information on/from an optical disc, the optical disc has a first to an n-th recording layers ((n) is an integer of 2 or greater) laminated on a substrate, each of the first to the n-th layers having data regions segmented into a first to an m-th data zone groups ((m) is an integer of 2 or greater) along a radial direction of the optical disc, each of the first to the m-th data zone groups including at least one data zone, the method comprising the steps of: (a) recording/reproducing information from a j-th data zone group of a first recording layer to a j-th data zone group of an n-th recording layer; and (b) repeating step (a) for j=1, 2, . . . , (m). COPYRIGHT: (C)2008,JPO&INPIT
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