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Xbox (DVD) Two sets of media descriptors are used. Initially, and on typical DVD-ROM drives, only a short partition containing a brief DVD Video can be seen. The lead-out section of the disk stores a second set of media descriptors describing the bounds of the main partition. It also contains a partially-encrypted "security sector" used for ...
DVD-ROM and DVD-R(W) use one encoding, DVD-RAM and DVD+R(W) uses another: Capacity: 4.7 GB (single-sided, single-layer – common) 8.5 GB (single-sided, double-layer) 9.4 GB (double-sided, single-layer) 17.08 GB (double-sided, double-layer) Up to four layers are possible in a standard form DVD. Read mechanism: 650 nm laser, 10.5 Mbit/s (1×)
Writing a DVD at 1× (1 385 000 bytes per second) [5] is approximately 9 times faster than writing a CD at 1× (153 600 bytes per second). [6] However, the actual speeds depend on the type of data being written to the disc. [6] For Blu-ray discs, 1× speed is defined as 36 megabits per second (Mbit/s), which is equal to 4.5 megabytes per second ...
The DVD-ROM's main-data (§16 [3]), which are consecutive logical blocks of 2048 bytes, are structured according to the DVD-Video format. The DVD-Video contains (besides others) an MPEG program stream which consists of so-called Packs. If CSS is applied to the disc then a subset of all Packs is encrypted with a title-key.
Optical disc authoring, including CD, DVD, and Blu-ray Disc authoring, is the process of assembling source material—video, audio or other data—into the proper logical volume format to then be recorded ("burned") onto an optical disc (typically a compact disc or DVD).
A DVD card, also called Business Card DVD, [1] is a DVD with the size and shape of a business card. Much like a traditional DVD, is an optical based media whose primary function is DVD-video playback and data storage. In the mid-late 2000s, the DVD card format has been used in the retail market to distribute sports and entertainment titles.
ATAPI (ATA Packet Interface) is a protocol used with the Parallel ATA (IDE) and Serial ATA standards so that a greater variety of devices can be connected to a computer than with the ATA command set alone.