Multimedia computer system
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United States of America Patent
Stats
-
Sep 15, 1998
Grant Date -
N/A
app pub date -
Aug 2, 1996
filing date -
Jan 24, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Full-motion video data with a sub-picture and sound is recorded in a DVD-ROM drive. The DVD-ROM drive is connected to an ATAPI interface. Using a data buffer of the ATAPI interface, an MPEG stream is transferred to an MPEG2 decoder on the system board at a variable rate, and video data, audio data, and a sub-picture included in the MPEG stream are decoded by the MPEG2 decoder incorporated in the system. The decoded sub-picture is drawn in a VRAM as in normal VGA graphics. The sub-picture image drawn in the VRAM is synthesized with the video from the MPEG2 decoder by a multimedia display controller and displayed on a screen.
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Family
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Cited Art Landscape
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