DVD-R

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DVD-R is a DVD recordable format. A DVD-R type has a storage capacity of 4.71 GB (or 4.38 GiB), although the capacity of the original standard developed by Pioneer was 3.95 GB (3.68 GiB). Both values are significantly larger than the storage capacity of its optical predecessor, the 700 MB CD-R – a DVD-R has 6.4 times the capacity of a CD-R. Pioneer has also developed an 8.54 GB dual layer version, DVD-R DL, which appeared on the market in 2005.

Data on a DVD-R cannot be changed, whereas a DVD-RW (DVD-rewritable) can be rewritten multiple (1000+) times. DVD-R(W) is one of three competing industry standard DVD recordable formats; the others are DVD+R(W) and DVD-RAM.

See also

References

• Bennett, Hugh. "In DVD's Own Image: DVD-R Technology and Promise." EMedia Professional July 1998: 30+
• Bennett, Hugh. Understanding Recordable & Rewritable DVD. Cupertino: Optical Storage Technology Association, Apr. 2004. [1]

External links

• DVD Forum
• Understanding Recordable & Rewritable DVD
• Care and Handling of CDs and DVDs
• Standard ECMA-279 80 mm (1.23 GB per side) and 120 mm (3.95 GB per side) DVD-Recordable Disk (DVD-R)
• ISO/IEC 23912, 80 mm (1,46 Gbytes per side) and 120 mm (4,70 Gbytes per side) DVD Recordable Disk (DVD-R)
• ISO/IEC 23912:2005 - publicly available standard