DRM licensing group presses on with plan to plug analog hole

11 06 2009

The AACS Licensing Authority, which licenses the AACS content protection scheme (read “DRM”) used in high-definition Blu-ray discs, has released the terms of its “AACS Final Adopter Agreement” online. Buried in its 188 pages of cryptic terms are details of what the AACSLA is calling the “analog sunset”—an eventual phasing out of analog output of AACS-protected content.

The goal of this phasing out is to plug the “analog hole,” whereby digital content can be copied by redigitizing the analog output of a Blu-ray player, for instance. Digital signals transmitted over HDMI are already protected by the HDCP scheme, which provides encryption between players and HDTVs and monitors.

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