- 专利标题： Randomly accessible visual information recording medium and recording method, and reproducing device and reproducing method
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申请号： US11978648申请日： 2007-10-30
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公开(公告)号： US07778527B2公开(公告)日： 2010-08-17
- 发明人: Tomoaki Ryu , Kazuhiko Nakane , Masaaki Shimada , Yoshihisa Yamada
- 申请人： Tomoaki Ryu , Kazuhiko Nakane , Masaaki Shimada , Yoshihisa Yamada
- 申请人地址： JP Tokyo
- 专利权人： Mitsubishi Denki Kabushiki Kaisha
- 当前专利权人： Mitsubishi Denki Kabushiki Kaisha
- 当前专利权人地址： JP Tokyo
- 代理机构： Birch, Stewart, Kolasch & Birch, LLP
- 优先权： JP2004-195476 20040701; JP2004-205250 20040712; JP2004-214080 20040722; JP2004-229683 20040805; JP2004-238482 20040818
- 主分类号： H04N5/00
- IPC分类号： H04N5/00 ; H04N7/26
摘要：
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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