Types of DVD s
DVD-R (pronounced as DVDR or DVD "dash" R ) is a DVD recordable format. A DVD-R has more storage capacity than a CD-R, typically 4,700,372,992 bytes (4.7 GB or 4.37 GiB) instead of 700 MB, although the capacity of the original standard developed by Pioneer was 3.95 GB (3.68 GiB). Pioneer has also developed an 8.54 GB (8,547,991,552 bytes) dual layer version, which appeared on the market in 2005. A DVD-R can be written to only once, whereas a DVD-RW (DVD-rewritable) can be rewritten multiple times.
The DVD-R format was developed by Pioneer in autumn of 1997. It is supported by most DVD players, and is approved by the DVD Forum.
A competing format is DVD+R (also DVD+RW for the rewritables). Hybrid drives that handle both formats are often labeled DVD±R and Super Multi (which includes DVD-RAM support) and are very popular. (more)
posted by Azure Production @ 2:18 AM
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