In 2001, the DVD Forum approved the first DVD Multi specification - covering all currently developed formats approved by the Forum. Hitachi and Panasonic were first off the mark to announce DVD Multi-compliant drives, providing read/write … [Read more...]
DVD+R
The first DVD+RW drives had no capability to write to write-once DVD media. However, in early 2002 Verbatim became the first media maker to offer DVD+RW technology in both the ReWritable and Write-once formats. Like their DVD+RW media, the … [Read more...]
DVD-RW
Formerly known as DVD-R/W - and also briefly as DVD-ER - DVD-RW is Pioneer's evolutionary development of existing CD-RW/DVD-R technology that became available at the end of 1999. From the outset, the overriding design objective was to … [Read more...]
DVD+RW
Consistent with the bickering that had dogged DVD since its inception, the DVD-RAM specification was a compromise between two different proposals by the principal protagonists - the Hitachi, Matsushita Electric and Toshiba grouping and the … [Read more...]
DVD-RAM
Rewritable DVD-ROM drives, or DVD-RAM, employs phase-change technology with some MO features mixed in rather than the pure optical technology of CD and DVD discs and has its roots in the PD optical disc system. A land groove … [Read more...]
DVD-R – write once recordable DVDs
Similar in concept to CD-R, DVD-R (or, DVD-Recordable) is a write-once medium that can contain any type of information normally stored on mass produced DVD discs - video, audio, images, data files, multimedia programs, and so on. Depending on the type of information recorded, DVD-R … [Read more...]
DVD Recordable Formats
There are five recordable versions of DVD: DVD-R for General DVD-R for Authoring DVD-RAM DVD-RW, and DVD+RW. All writable DVD formats include a set of specifications that define a media's physical traits and characteristics. This layer of functionality is … [Read more...]
DVD-Audio
It's interesting to note that the first optical storage medium made available to the public was the now-familiar audio CD. Since then, the fields of digital audio and digital data have been intertwined in a symbiotic relationship, with one … [Read more...]
DVD DivX Codec
DIVX is essentially a limited-use, pay-per-view DVD technology. Marketed as a more affordable DVD format - with the financial backing of the Circuit City Stores retail chain - it allows a user to purchase a DIVX disc at a minimal cost and … [Read more...]
DVD-Video
DVD-Video titles are usually encoded from digital studio master tapes to MPEG-2 format. MPEG-2 offers greater overall compression than MPEG-1 and yields a much sharper, cleaner picture. MPEG-2-encoded video commonly uses 480 … [Read more...]