By manipulating the signal level of the composite video, Macrovision fools the automatic gain control of most video recorders resulting in annoying shifts in color and brightness in the recorded video. The Analog Protection System, popularly known as Macrovision after the company that developed it, is a protection system that is applied to the composite analog video signal coming out of DVD players. The following part will illustrate these schemes in great details. Recordable DVD discs are also sometimes copy protected using Content Protection for Recordable Media (CPRM) encryption. These are Analog Protection System (APS) scrambling, Content Scramble System (CSS) encryption, and a system involving corrupted disc structure.
There are three types of copy protection that are used on commercial pre-recorded DVD discs.
The following article will talk about different types of DVD copy protection and how to remove DVD copy protection with the best DVD Copy protection removal software. The good news is that there are several program allow you to either circumvent or completely strip copy protection so that you can get full control over DVD that you have legally purchased. The copy protection used by media distributors not only helps to prevent piracy, but also prevents you from making backup copies of your DVDs.
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