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System and method for controlling play of multiple versions of the same motion picture stored on an optical disk

  • US 5,598,276 A
  • Filed: 12/18/1995
  • Issued: 01/28/1997
  • Est. Priority Date: 10/29/1993
  • Status: Expired due to Term
First Claim
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1. A system for playing a selected one of at least two versions of the same video program material contained on a software carrier, said software carrier having recorded thereon a single track with three different types of interleaved video data blocks containing respectively (1) video data unique to one of said at least two versions, (2) video data unique to the other of said at least two versions, and (3) video data common to said at least two versions, with said track containing at least one data block of each of said three types, comprising means for registering which of said versions is to be played, means for selecting only the blocks containing video data unique to the version being played and blocks containing video data common to said at least two versions, and means for sequentially reading only the selected video data to form a playback signal from the video data contained in the selected blocks to the exclusion of the video data in the same track in the unique to the version which is not being played.

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