| 摘要 |
The invention relates to a system and method of recording data on an optical disc by a plurality of laser beams positioned along inner tracks to outer tracks of said optical disc, said optical disc comprising segments each being identified by a start of segment, said method comprising the steps of: switching writing on (710) successively each laser beam at different starts of segments for recording data, switching writing off (720) successively each laser beam arriving at the start of a segment previously recorded by another laser beam, detecting (730) when only one laser beam remains writing on, detecting (740) a subsequent start of a segment accessed by said one laser beam, switching writing off (750) said one laser beam, shifting (760) all the laser beams so that the innermost laser beam gets positioned at said subsequent start.
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