发明名称 |
SYSTEM AND METHOD TO PREVENT MANIPULATION OF TRANSMITTED VIDEO DATA |
摘要 |
The aim of the invention is to provide a solution to ensure that the content sent by the IRD is the content effectively displayed on the screen. It is then proposed a system to prevent manipulation of transmitted video data comprising an Integrated Receiver Decoder (IRD) receiving audio/video data, a display device (TV), said IRD comprising means to transmit an HDMI compliant audio/video stream toward the display device, characterized in that the system further comprises means to add an over-encryption layer to said HDMI/HDCP stream before reaching the display device and means to remove this added encryption layer so as to recover said HDMI/HDCP stream, before processing said HDMI/HDCP stream by said display device. |
申请公布号 |
WO2012007262(A1) |
申请公布日期 |
2012.01.19 |
申请号 |
WO2011EP60651 |
申请日期 |
2011.06.24 |
申请人 |
NAGRAVISION S.A.;KUDELSKI, ANDRE;NICOLAS, CHRISTOPHE |
发明人 |
KUDELSKI, ANDRE;NICOLAS, CHRISTOPHE |
分类号 |
G06F21/00;H04N7/24 |
主分类号 |
G06F21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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