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Basic Knowledge about DVD, DVD-R/RW, DVD+R/+RW, DVD-RAM, DVD+R DL/ DVD-R DL, DVD Sizes

DVD

DVD stands for Digital Versatile/Video Disc, which is the new generation of optical disc storage technology. Essentially speaking, DVD is a bigger CD, but better-than-CD audio, that can hold cinema-like video, still photos, and computer data, which aims at encompassing home entertainment, computers, and business information with a single digital format. DVD has won support from major electronics, hardware companies as well as movie and music studios. With this unprecedented support, DVD became the most successful consumer electronics product of all time in less than three years of its introduction.

DVD-R & DVD-RW

DVDR stands for DVD Recordable and DVDRW stands for DVD Rewriteable. DVD-R was the first DVD recording format released that was compatible with standalone DVD Players, while it is also a non-rewriteable format which compatible with most DVD Players and DVD-ROMs. DVD-RW is a rewriteable format and both DVD-R and DVD-RW support DVD-5(single side 4.37 computer GB DVDs) and DVD-10 (double sided 8.75 computer GB DVDs).

DVD+R & DVD+RW

DVD+R is a non-rewritable format which is compatible with most DVD Players and most DVD-ROMs. DVD+RW is a rewritable format and DVD+R & DVD+RW all supports DVD-5(single side 4.37 computer GB DVDs) and DVD-10 (double sided 8.75 computer GB DVDs)

DVD-RAM

DVD-RAM has the best recording features but it is not compatible with most DVD-ROM drives and DVD-Video players and it is usually used in some DVD Recorders.

DVD+R DL & DVD-R DL

DVD+R DL, or DVD+R9 is a Dual Layer writeable DVD+R which is dual layered discs supporting DVD-9 and dvd-18. DVD-R DL, or called DVD-R9 is a Dual Layer writeable DVD-R which also supports DVD-9 and dvd-18.

DVD Sizes

Basically speaking, there are 4 different DVD Sizes.

DVD-5, (4, 700, 000, 000 bytes, 4.37 computer GB), or called Single Sided Single Layered; DVD+R/DVD+RW and DVD-R/DVD-RW supports this format.

DVD-10, (9, 400, 000, 000 bytes, 8.75 computer GB), or called Double Sided Single Layered. DVD+R/DVD+RW and DVD-R/DVD-RW supports this format.

DVD-9, (8, 540, 000, 000 bytes, 7.95 computer GB), or called Single Sided Dual Layered. DVD+R supports this format.

DVD-18, (17, 080, 000, 000 bytes, 15.9 computer GB), or called Double Sided Dual Layered. DVD+R supports this format.

Other Non-standard DVD Formats

DVD-VCD is basically a VCD authored on a DVD which supports the VCD resolution but the audio has to be resampled to 48 kHz.

DVD-SVCD is basically a SVCD authored on a DVD. DVD do not support the SVCD resolution.

DVD-MP3 is MP3s burned on a DVD but very few MP3 capable standalone DVD Players supports it because most Players verify DVD as DVD-Video only.

DVD-ISO is MPEG ,MPG, VOB files burned on a DVD without any DVD Authoring(making the vob, ifo files) but very few standalone DVD Players supports it because most Players verify DVD as DVD-Video only.

Related DVD Software
CloneDVD 7 Ultimate – It could copy dvd movie, rip dvd to mp4/avi and other videos, also convert videos to dvd.
DVD X Player – The first all region dvd player software to play dvds, videos, photos. Also it could record dvds videos.

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