What is ARccOS Protection and RipGuard Potection?
ARccOS (Advanced Regional Copy Control Operating Solution) is a copy-protection system made by Sony and is used on some DVDs. Designed as an additional layer to be used in conjunction with Content Scramble System (CSS), the system deliberately creates corrupted sectors on the DVD to mess with DVD copying.
Unfortunately, some DVDs with ARccOS like Disney's "Pirates of the Caribbean" cannot be played on some DVD players like Sony DVPCX995, Microsoft Xbox, Harman Kardon DVD101, Toshiba SD4700, and others. Sony has announced a future firmware update for their players to fix this incompatibility issue. One revision of the ARccOS scheme used by Sony was incompatible with a higher number of players than average. Sony has offered to replace those discs for owners having problems; the replacement discs will have a newer version of ARccOS coding on them, which Sony claims is more compatible.
RipGuard was design by Rovi In February 2005, to prevent or reduce digital DVD copying by altering the format of the DVD content to disrupt the DVD ripping software. Rovi claimed that "only 5 percent of users have the knowledge and determination required to break through the RipGuard DVD copy protection and decrypt the underlying CSS." It's compatible with today's DVD players and PCs.
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