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Video data editing apparatus, optical disc for use as a recording medium of a video data editing apparatus, and computer readable recording medium storing an editing program

  • US 6,148,140 A
  • Filed: 09/17/1998
  • Issued: 11/14/2000
  • Est. Priority Date: 09/17/1997
  • Status: Expired due to Term
First Claim
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1. An optical disc, comprising:

  • a data area recording a plurality of video objects that include a plurality of video object units, each video object unit including a plurality of sets of picture data and a plurality of sets of audio data,the plurality of video objects having a display order,wherein one of the video object units in a following video object, which is a video object out of the plurality of video objects that is to be reproduced following a preceding video object in the display order, includes a first audio data sequence and the second audio data sequence,the first audio data sequence being a plurality of sets of audio data that are to be reproduced during a specified period between a first audio frame and a second audio frame, out of a plurality of audio frames in the preceding video object,the second audio data sequence being a plurality of sets of audio data that are to be reproduced from a third audio frame onwards, out of a plurality of audio frames in the following video object,the first audio frame being a second next audio frame from an audio frame that corresponds to a time at which a first pack in the following video object is inputted,the second audio frame being located immediately before an audio frame in the preceding video object unit sequence that corresponds to a presentation start time of video frames in the following video object, andthe third audio frame being located immediately after the audio frame in the following video object that corresponds to a presentation end time of the second audio frame; and

    an index area storing a set of seamless linking information for each video object in the data area, the seamless linking information enabling seamless reproduction of a combination of two out of the plurality of video objects recording in the data area,each set of seamless linking information including;

    audio gap start time information indicating a presentation end time of the second audio frame as a decode processing halt time of an audio decoder;

    audio gap period information indicating a period between the presentation end time of the second audio frame to a presentation start time of the third audio frame as a decode halt period of the audio decoder; and

    location information indicating which video object unit, out of the video object units in the following video object, includes the first audio pack sequence.

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