High-Bandwidth Digital-Content Protection (HDCP) is a device used for protecting the original content while transferring the content from a computer, satellite television receiver, or DVD player to the television screen or computer monitor. It is a form of Digital Right Management developed by Intel Corporation to control digital audio and video content while transferring across Digital Visual Interface (DVI) or High-Definition Multimedia Interface (HDMI) connections. For using HDCP, a license is essential provided by Digital Content Protection, LLC, a subsidiary of Intel.
The DRM device exists in the computer, DVD player or Set Top Box, that keep control the digital audio and video content and ask for the license, if HDCP license is present, it allows the content to display on the screen. Whenever power is on or the system has been on, the content immediately checks the existence of HDCP license. HDCP also control over the graphical images while traveling over high bandwidths and keep it as safe and unchanged as original images without any distortion or cross contamination, on the other hand it also restricts to DAT quality (analog quality) on digital audio output. HDCP licensees restricted to make copies of the content.
Nowadays the trends of wireless technology is being popular and with WI-FI technology, the value of HDCP has been increased as it protects the information. So more and more computer manufacturers are making computer systems with HDCP code.
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