Optical disk having table relating sector address and time and optical disk reproducing apparatus
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United States of America Patent
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Dec 14, 1999
Issued Date -
N/A
app pub date -
Oct 14, 1998
filing date -
Feb 24, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
An optical disk recording thereon compressed moving picture data and an optical disk reproduction apparatus each capable of easily effecting trick play such as high speed reproduction and a retrieval operation at a high speed. Additional information necessary for trick play is recorded in an arbitrary area of an optical disk such as a TOC (Table of Contents) or a leading sector (sector 0) of the disk, and a sector address is added to each sector. To conduct trick play, an I picture, a P picture and a B picture contained in a GOP layer inside a bit stream of compressed image data are extracted and reproduced in accordance with a reproduction speed by looking up a trick play table.
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