Digital rights management: Difference between revisions

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</ref> When the AACS key was similarly extracted the AACS Licensing Administrator began to issue cease-and-desist letters to websites to which the key was posted.<ref>http://www.chillingeffects.org/notice.cgi?sID=03218</ref> Another form of Blu-Ray DRM, [[Cinavia]], uses a form of audio watermarking that makes certain relases unplayble in players that are not equipped to recognize it, a notable example being Sony's Playstation 3 .<ref>https://www.anandtech.com/show/5693/cinavia-drm-how-i-learned-to-stop-worrying-and-love-blurays-selfdestruction/2</ref>

To attempt to prevent ripping video via a capture card, modern displays, optical disc players, and computers use the High-Definition Content Protection system to encrypt display signals.<ref>https://www.digital-cp.com/about_dcp</ref> For example, [[Netflix ~~4K Stream Quality Controversy~~|Netflix will refuse]] to stream content at the full resolution that the customer has paid for if the user is not using an HDCP-enabled video card and display.

To attempt to prevent ripping video via a capture card, modern displays, optical disc players, and computers use the High-Definition Content Protection system to encrypt display signals.<ref>https://www.digital-cp.com/about_dcp</ref> For example, [[Netflix stream-quality controversy|Netflix will refuse]] to stream content at the full resolution that the customer has paid for if the user is not using an HDCP-enabled video card and display.

==DRM in audio content==

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 </ref> When the AACS key was similarly extracted the AACS Licensing Administrator began to issue cease-and-desist letters to websites to which the key was posted.<ref>http://www.chillingeffects.org/notice.cgi?sID=03218</ref> Another form of Blu-Ray DRM, [[Cinavia]], uses a form of audio watermarking that makes certain relases unplayble in players that are not equipped to recognize it, a notable example being Sony's Playstation 3 .<ref>https://www.anandtech.com/show/5693/cinavia-drm-how-i-learned-to-stop-worrying-and-love-blurays-selfdestruction/2</ref>
-To attempt to prevent ripping video via a capture card, modern displays, optical disc players, and computers use the High-Definition Content Protection system to encrypt display signals.<ref>https://www.digital-cp.com/about_dcp</ref> For example, [[Netflix 4K Stream Quality Controversy|Netflix will refuse]] to stream content at the full resolution that the customer has paid for if the user is not using an HDCP-enabled video card and display.
+To attempt to prevent ripping video via a capture card, modern displays, optical disc players, and computers use the High-Definition Content Protection system to encrypt display signals.<ref>https://www.digital-cp.com/about_dcp</ref> For example, [[Netflix stream-quality controversy|Netflix will refuse]] to stream content at the full resolution that the customer has paid for if the user is not using an HDCP-enabled video card and display.
 ==DRM in audio content==