How do the various DVD formats differ?
DVD Video For viewing movies and other visual entertainment. The total capacity is 17 Gbytes if two layers on both sides of the disk are utilized. DVD-ROM Its basic technology is the same as DVD Video, but it also includes computer-friendly file formats. It is used to store data. This product should supplant conventional CD-ROMs in the near future. DVD-R Its capacity is 4.7 Gbytes. Originally designed for professional authoring, a version for general consumer use is now under development. As with CD-R, users can write only once to this disk. DVD-RAM This makes DVD a virtual hard disk, with a random read-write access. Originally a 2.6-Gbyte drive, its capacity has increased to 4.7-Gbyte-per-side. It can be re-written more than 100,000 times. DVD-RW Similar to DVD-RAM except that its technology features a sequential read-write access more like a phonograph than a hard disk. Its read-write capacity is 4.7 Gbytes per side. It can be re-written up to about 1,000 times. DVD Audio The latest
