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TestDisk is a free and open-source data recovery utility that helps users recover lost partitions or repair corrupted filesystems. [1] TestDisk can collect detailed information about a corrupted drive, which can then be sent to a technician for further analysis.
ARccOS (Advanced Regional Copy Control Operating Solution) is a copy-protection system made by Sony that 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, which cause copying software to produce errors (see bad sector).
Alternatively, in RS02 mode, the ECC data is appended to the end of the disc image before the image is burned to disc. When a CD or DVD has been augmented in RS02 mode, the 'augmented' section of the data remains invisible to the normal user, and the disc remains fully compatible with computers without knowledge of or installation of dvdisaster.
In late 2005, Sony BMG Music sparked the Sony CD copy protection scandal when it included a form of copy protection called Extended Copy Protection ("XCP") on discs from 52 artists. [1] Upon inserting such a disc in the CD drive of a computer running Microsoft Windows, the XCP software would be installed.
Sony also planned to release it as a hybrid console, the Play Station [7] and planned to use their Super Disc for video and other multimedia. [8] A separate partnership with Philips led to the development of a CD-ROM/XA format add-on for SNES, [ 6 ] and separately yielded a few Nintendo-themed games on the CD-i format. [ 6 ]
Free software implementations often lack features such as encryption and region coding due to licensing restrictions issues, and depending on the demands of the DVD producer, may not be considered suitable for mass-market use. DeVeDe (Linux) DVD Flick (Windows only) DVDStyler (Windows, Mac OS X, and Linux using wxWidgets.
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The Universal Media Disc (UMD) is a discontinued optical disc medium developed by Sony for use on its PlayStation Portable handheld gaming and multimedia platform. It can hold up to 1.8 gigabytes of data and is capable of storing video games, feature-length films, and music.