| 摘要 |
The individual parts of a media presentation are associated with one another, and in addition to maintaining pointers in individual parts which indicate the last point at which playback was stopped, a pointer is maintained for the "container" created by the association. This pointer indicates the last part in the "container" that was played. When the presentation is played back, the user can select a particular part or can select "resume." If "resume" is selected, the pointer is retrieved and used to select the part to be played. Within the part, a further pointer may indicate where in the part to begin playback, based on where playback was last stopped.
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