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During the times of combo (CD-RW/DVD-ROM) drives, an additional speed rating (e.g. the 16× in 52×/32×/52×/16×) is designated for DVD-ROM media reading operations. For DVD writer drives, Blu-ray Disc combo drives, and Blu-ray Disc writer drives, the writing and reading speed of their respective optical media are specified in its retail box ...
The DVD specifications created and updated by the DVD Forum are published as so-called DVD Books (e.g. DVD-ROM Book, DVD-Audio Book, DVD-Video Book, DVD-R Book, DVD-RW Book, DVD-RAM Book, DVD-AR (Audio Recording) Book, DVD-VR (Video Recording) Book, etc.). [1] [2] [3] DVD discs are made up of two discs; normally one is blank, and the other ...
DVD+R DL discs employ two recordable dye layers, each capable of storing nearly the 4.7 GB capacity of a single-layer disc, almost doubling the total disc capacity to 8.5 GB. Discs can be read in many DVD devices (older units are less compatible) and can only be created using DVD+R DL and Super Multi drives.
The DVD and Blu-ray discs hold a higher capacity of data, so reading or writing those discs in the same 74-minute time-frame requires a higher data transfer rate. Drive speed can be limited intentionally to reduce noise from the drive or slow down ripping, such as the firmware component Riplock.
DVD-R DL (DL stands for Dual Layer [1]), also called DVD-R9, is a derivative of the DVD-R format standard. DVD-R DL discs hold 8.5 GB by utilizing two recordable dye layers, each capable of storing a little less than the 4.7 gigabyte (GB) of a single layer disc, almost doubling the total disc capacity. [2]
But a second write-once format DVD+R emerged in 2002, leading to a brief format war before dual format drives became common. A read-write format, DVD-RW, was introduced in 1999, but like earlier CDs it could not be read by "normal" DVD drives. Over time, improvements led to most newer DVD drives being able to read any of these media. [15]
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-R DS (DS stand for Double Side) is also called DVD-10 (Dual Side, Single Layer) or DVD-18 (Dual Side, Dual Layer), it is a sub category of DVD-R. A DVD-R DS has a storage capacity of 8.75 GB (DVD-10) or 15.9 GB (DVD-18).