Fandt der her på
http://www.dvdrhelp.com/dvd.htm hvor du kan læse om de forskellige standarder.
Today there are three competing DVD Recording standards, DVD-R/W and DVD+R/W have pretty similiar features and are compatible with many standalone DVD Players and most DVD-ROMs while DVD-RAM has less DVD Player and DVD-ROM compatibility but better recording features.
DVD-R and DVD-RW
DVD-R/W was the first DVD recording format released that was compatible with standalone DVD Players.
DVD-R is a non-rewriteable format and it is compatible with about 91% of all DVD Players and most DVD-ROMs.
DVD-RW is a rewriteable format and it is compatible with about 74% of all DVD Players and most DVD-ROMs.
DVD-R/W supports single side 4.7 GB* DVDs(called DVD-5) and double side 9.4 GB* DVDs(called DVD-10).
These formats are supported by DVDForum.
DVD+R and DVD+RW
DVD+R/W has some better features than DVD-R/W such as lossless linking and both CAV and CLV writing.
DVD+R is a non-rewritable format and it is compatible with about 86% of all DVD Players and most DVD-ROMs.
DVD+RW is a rewritable format and is compatible with about 74% of all DVD Players and most DVD-ROMs.
DVD+R/W supports single side 4.7 GB* DVDs(called DVD-5) and double side 9.4 GB* DVDs(called DVD-10).
These formats are supported by the DVD+RW Alliance.