HDCP (High-Bandwidth Digital Contents Protection)
Digital signal encryption system as copy protection for digital contents, for example for videos, music, etc. The transmission of digital contents is protected as the contents are encrypted on the transmitter's side, sent via a DVI output and once again decrypted on the recipient's side. Digital contents may not be reproduced if both the transmitter and recipient device do not support HDCP.
High Definition Multimedia Interface. Interface to transfer digital audio and video data