| 摘要 |
A plurality of different pilot signal components are selectively superposed on an information signal, and mark signals which can indicate the types of pilot signals to be superposed are recorded, together with the information signal, on tracks on a recording medium, on which the pilot signals associated with the mark signals are recorded. The types of pilot signals can be quickly detected in a reproduction mode, and a satisfactory tracking control state is quickly achieved by modifying the tracking control signal.
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