Types of DVDs
Confused about DVDs? Here are is simple explaination of each disc.
The disc medium can be:
DVD-ROM (read only, manufactured by a press)
DVD-R/RW (R = Recordable once, RW = ReWritable)
DVD-RAM (random access rewritable)
DVD+R/RW (R = Recordable once, RW = ReWritable)
DVD-R DL ("dual layer")
DVD+R DL ("double layer")
Two DVDs with different bottom sides.
The disc may have one or two sides, and one or two layers of data per side; the number of sides and layers determines the disc capacity.
DVD-5: single sided, single layer, 4.7 gigabytes (GB), or 4.38 gibibytes (GiB)
DVD-9: single sided, double layer, 8.5 GB (7.92 GiB)
DVD-10: double sided, single layer on both sides, 9.4 GB (8.75 GiB)
DVD-14: double sided, double layer on one side, single layer on other, 13.3 GB (12.3 GiB)
DVD-18: double sided, double layer on both sides, 17.1 GB (15.9 GiB)
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posted by Azure Production @ 7:55 PM
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