| 摘要 |
A recording method and apparatus reduces jitter and increases the number of possible rewrites in an optical disc. When the absolute values of DSV values calculated for different DCC bits are equal, the selection of the DCC bit is carried out in a random manner, so that a different signal is recorded in each case on an optical disc medium even when the same user data is recorded. As a result, the deterioration of the marks and spaces is made uniform and the number of possible rewrites is increased.
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