| 摘要 |
Provided is a recording medium playback device intended to achieve a reduction in power consumption by stopping disk rotation during a period in which no content data is being read, while improving playability and responsiveness to external key inputs or the like. A system control section 106 instructs a servo control section 105 to stop rotating a spindle motor 102 after an optical pickup 103 completely reads the content data that is being reproduced, and to forcibly rotate the spindle motor 102 in order to start reading the next content data to be reproduced when the remaining amount of data accumulated in a buffer memory 113 falls to a threshold n or lower, the threshold n being calculated based on (a) a stabilization time of the spindle motor 102, (b) a moving time of the optical pickup 103, and (c) a speed at which data is read from the buffer memory 113.
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