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Apparatus for generating sub-picture units for subtitles and storage medium storing sub-picture unit generation program

  • US 6,046,778 A
  • Filed: 10/28/1998
  • Issued: 04/04/2000
  • Est. Priority Date: 10/29/1997
  • Status: Expired due to Fees
First Claim
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1. A sub-picture unit generation apparatus for generating a plurality of sub-picture units that compose a sub-picture stream which is interleaved with a video stream into a system stream, each sub-picture unit including a subtitle image that is to be superimposed on moving images reproduced from the video stream, the sub-picture unit generation apparatus comprising:

  • attribute storage means for storing a display attribute that shows a base position for arranging each subtitle image;

    character string storage means for storing a plurality of subtitle character strings;

    subtitle image generation means for generating a subtitle image from one of the plurality of subtitle character strings a stored in the character string storage means;

    display position determination means for determining a display position of the subtitle image according to the display attribute; and

    sub-picture unit generation means for generating a sub-picture unit that includes the subtitle image and display position data showing the determined display position.

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