Randomly accessible visual information recording medium and recording method, and reproducing device and reproducing method
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United States of America Patent
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Jan 13, 2015
Issued Date -
N/A
app pub date -
Oct 22, 2013
filing date -
Jul 1, 2004
priority date (Note) -
In Force
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Abstract
Access point pictures designated as randomly accessible positions are I pictures or P pictures. Information indicating the decoding sequence (I1, P1, B1, B2, B3, B4, P2, . . . ) of pictures functioning as access points and attribute information (picture_type) indicating whether a picture functions as an access point or is necessary for decoding of the access point following a given access point are recorded on the video information recording medium. Random access is possible even if the GOP interval is lengthened.
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