| 摘要 |
The present invention relates to a method and apparatus for setting marks on the content recorded on a data recording medium and carrying out operations in accordance with the marks. The apparatus according to the present invention includes a playback unit and an advanced content processor. The playback unit reads the recorded content and produces decoded content by driving the recording medium. The advanced content processor interprets additional navigation data designated for interactive playback of the content; based on more than one mark information contained in the additional navigation data, the advanced content processor sets the corresponding position within the content according to individual mark information at the playback unit. When the detection of a set position is notified from the playback unit in the course of playback of the content, the advanced content processor carries out operations specified by the additional navigation data with respect to the mark information associated with the detected position.
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