Higher data rates can result in higher quality, with almost no perceptible difference from the master at rates above 6 Mbps.As MPEG compression technology improves, better quality is being achieved at lower rates.DVD-ROM includes recordable variations: DVD-R/RW, DVD-RAM, and DVD R/RW (see 4.3).The application formats include DVD-Video, DVD-Video Recording (DVD-VR), DVD RW Video Recording (DVD VR), DVD-Audio Recording (DVD-AR), DVD-Audio (DVD-A), and Super Audio CD (SACD).He writes articles and columns about DVD for publications such as Widescreen Review and serves as Chairman of the IDMA/DVD Association.Jim was formerly DVD Evangelist at Microsoft, and is currently Chief Technologist at Sonic Solutions, the leading developer of DVD and BD creation software. It's an optical disc storage technology for video, audio, and computer data.Since you asked, here are the stats as of March 2009: Size: 598 KB Number of words: 69,767 Number of external links: 1,978 If you're wondering why it's all in one big piece instead of broken into smaller pieces that would load faster, the main reason is so you can use the find feature of your browser to easily search the entire FAQ. DVD is essentially a bigger, faster CD that can hold high-quality digital video, better-than-CD audio, pictures, and any other sort of digital information.I realize this causes problems with Web TV browsers. DVD encompasses home entertainment, computers, and business information with a single digital format.
There's plenty of other good information about DVD on the Internet.
There are also special application formats for game consoles such as Sony Play Station 2 and Microsoft Xbox.
All of the following have been proposed as the words behind the letters DVD. "nothing." The original initialism came from "digital video disc." Some members of the DVD Forum (see 6.1) tried to express how DVD goes far beyond video by retrofitting the painfully contorted phrase "digital versatile disc," but this has never been officially accepted by the DVD Forum as a whole.
It's important to understand the difference between the physical formats (such as DVD-ROM and DVD-R) and the application formats (such as DVD-Video and DVD-Audio). DVD-Video (often simply called DVD) defines how video programs such as movies are stored on disc and played in a DVD-Video player or a DVD computer (see 4.1).
The difference is similar to that between CD-ROM and Audio CD.