Apparatus for generating sub-picture units for subtitles and sto

Details Apparatus for generating sub-picture units for subtitles and sto Apparatus for generating sub-picture units for subtitles and sto

1998-10-28

2000-04-04

Hsia, Sherrie

Television

Basic receiver with additional function

For display of additional information

348564, 348569, 348589, H04N 5445, H04N 5278

Patent

active

060467789

ABSTRACT:
To provide 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 includes an attribute storage unit for storing a display attribute that shows a base position for arranging each subtitle image, a character string storage unit for storing a plurality of subtitle character strings, a subtitle image generation unit for generating a subtitle image from one of the plurality of subtitle character strings stored in the character string storage unit, a display position determination unit for determining a display position of the subtitle image according to the display attribute, and a sub-picture unit generation unit for generating a sub-picture unit that includes the subtitle image and display position data showing the determined display position.

REFERENCES:
patent: 5561471 (1996-10-01), Kim et al.

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