| 摘要 |
A coding method for an information recording/reproduction apparatus and a recording medium, comprising the step of setting a second code bit of a second track adjacent to a first code bit of a first track in the direction perpendicular to a track to "0" or "nonmark" when the first code bit of the first track is "1" or "record mark.", wherein a first coding rule for obtaining a first code bit on an odd track and a second coding rule for obtaining a second code bit on an even track are used and a second bit adjacent to a first bit in the direction perpendicular to a track is set to "0" or "nonmark" by the second coding rule when the first code bit is "1" or "record mark".
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