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DVD-RW

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DVD-RW
(DVD-Read Write) A rewritable (re-recordable) DVD disc for both movies and data from the DVD Forum. Also called "DVD Dash RW" and "DVD Minus RW," DVD-RW uses phase change recording. The media hold 4.7GB per side and can be rewritten 1,000 times. See DVD drives, DVD, DVD+RW and optical disc.

In practice, the term "DVD" refers to all DVD formats. The phrase "rewrite the data on the DVD" really means "rewrite the data on the DVD-RW or DVD+RW." See DVD.

Phase Change Recording
In rewritable DVDs, different intensities of the laser turn bits in the phase change recording layer between a crystalline state and an amorphous state.
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Rewritable DVDs come in two main flavours, DVD+RW and DVD-RW.
Gadget clinic by guardian.co.uk / guardian.co.uk
The drive also supports 4X DVD-R DL, 16X DVD+-R, 8X DVD+RW, 6X DVD-RW, 48X CD-R and 32X CD-RW recording speeds.
SONY SPEEDS UP DOUBLE/DUAL LAYER DVD BURNING FOR MAC USERS by CD Computing News
It is compatible with a huge number of media formats - DVD, DVD+R, DVD-R, DVD+RW, DVD-RW, CD, CD-R, CD-RW and even JPEG.
Games: Tech Heads: Are we there yet by Daily Record (Glasgow, Scotland)
 
 
 
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