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Inserting corrupted sectors in areas where normal players will not access but ripping software does to trigger errors during replication. Burst Cutting Area Writing barcode in circular area near the center of the disc (referred to as burst cutting area) which cannot be written without using special equipment. DVD-Cops See CD-Cops in previous ...
Usually, similar to modern players, the media player will be reading audio into memory for later playback, especially given the extreme speeds used by CD-ROM drives in order to access raw data on other discs. Because of this, if there is a fault during playback, the player will already be performing a checksum to verify the data read is correct ...
For example, audio tracks on such media cannot be easily added to a personal music collection on a computer's hard disk or a portable (non-CD) music player. Also, many ordinary CD audio players (e.g. in car radios) had problems playing copy-protected media, mostly because they used hardware and firmware components also used in CD-ROM drives ...
Cactus Data Shield (CDS) is a form of CD/DVD copy protection for audio compact discs developed by Israeli company Midbar Technologies. [1] It has been used extensively by EMI (subsequently acquired by Sony Music), BMG and their subsidiaries.
Unlike DVD regions, Blu-ray regions are verified only by the player software, not by the computer system or the drive. The region code is stored in a file or the registry, and there are hacks to reset the region counter of the player software. In stand-alone players, the region code is part of the firmware.
Players from 1997 onward have more power-efficient skip protection. Portable players, more so portable CD players but also some portable DVD players, that invariably include an ASP feature (Anti-Skip-protection), struggle with CD-R/RW, DVD-R/RW and DVD+R/RW discs – due to the ASP feature being enabled.
A CD drive can have extraction errors when the data on the disc is not readable due to scratches or smudges. The drive can compensate by supplying a "best guess" of what the missing data was, then supplying the missing data.
As with any passive DRM technology some players are unable to play the non-standard disc. Since optical computer CD/DVD drives are also capable of reading Red Book audio CDs, a lot of player manufacturers [citation needed] use these same CD/DVD ROM drives instead of specialized Audio CD / Video DVD only drives in order to reduce costs.