发明申请
- 专利标题： CONTROLLED METADATA REVELATION
- 专利标题（中）： 控制元数据迁移
-
申请号： US12309889申请日： 2007-08-07
-
公开(公告)号： US20090208180A1公开(公告)日： 2009-08-20
- 发明人: Stuart Ashby , Colin John Davies , Simon John Parnall , James Geoffrey Walker , David John White
- 申请人： Stuart Ashby , Colin John Davies , Simon John Parnall , James Geoffrey Walker , David John White
- 申请人地址： GB Middlesex
- 专利权人： NDS Limited
- 当前专利权人： NDS Limited
- 当前专利权人地址： GB Middlesex
- 国际申请： PCT/GB2007/002997 WO 20070807
- 主分类号： H04N5/93
- IPC分类号： H04N5/93
摘要：
A method of controlling revelation of one or more metadata items is disclosed. Each of the one or more metadata items is associated with one or more parts of an audio-visual data stream (101). The method comprises: for a given one or more parts (103, 105) of the audio-visual data stream (101), revealing one or more metadata items (113, 115, 117) associated with the given one or more parts (103, 105) of the audio-visual data stream (101) only after the given one or more parts (103, 105) of the audio-visual data stream (101) have been accessed.
公开/授权文献
- US08656435B2 Controlled metadata revelation 公开/授权日：2014-02-18
信息查询
