发明申请
- 专利标题： Information record apparatus and method, information reproduction apparatus and method, and computer program product
- 专利标题（中）： 信息记录装置和方法，信息再现装置和方法以及计算机程序产品
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申请号： US11124298申请日： 2005-05-09
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公开(公告)号： US20050254788A1公开(公告)日： 2005-11-17
- 发明人: Kenji Yamagata , Hiroshi Nakamura , Kyotaro Sato , Kenichiro Tada , Tomohiro Miura , Toshiro Tanikawa , Ken Miyagawa , Takashi Aoki , Shinya Hashimoto
- 申请人： Kenji Yamagata , Hiroshi Nakamura , Kyotaro Sato , Kenichiro Tada , Tomohiro Miura , Toshiro Tanikawa , Ken Miyagawa , Takashi Aoki , Shinya Hashimoto
- 优先权： JP2004-138444 20040507
- 主分类号： G11B20/10
- IPC分类号： G11B20/10 ; G10L19/00 ; G11B20/00 ; G11B20/12 ; G11B27/00 ; G11B27/034 ; H04N5/76 ; H04N5/781 ; H04N5/85 ; H04N5/913 ; H04N9/82
摘要：
An information record apparatus includes: a down-convert device for down-converting a first content information having a first reproduction quality (HD) into a second content information having a second reproduction quality (SD) which is lower quality than the first reproduction quality; a scramble device for generating scramble information by scrambling the first content information, on the basis of a predetermined scramble key; and a first record device for recording the second content information and the scramble information into a first record medium.
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