High-Bandwidth Digital Content Protection: Created by Intel, HDCP is used with HDTV signals over DVI and HDMI connections. HDCP is embedded into most commercial digital video content, so all transport and display devices must support it in order to display the video. Analog video cannot support HDCP, so most HDCP-encrypted video signals can only be displayed at lower resolutions on analog displays (see Analog Sunset). HDCP “Key System Vectors” (KSV) or “keys” control the number of display devices that can display a single HDCP-encrypted video stream.

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