Community Newsletter: Q&A forum: 12/17/04 What's up with all those confusing DVD formats?

by: Lee Koo (ADMIN) December 15, 2004 9:23 AM PST

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12/17/04 What's up with all those confusing DVD formats?

by Lee Koo (ADMIN) ModeratorCNET staff - 12/15/04 9:23 AM

Thanks to everyone who submitted your answer to Edwin's question. If you have more questions to ask about wireless networking or have any additional opinions or suggestions, please by all means participate and add to this thread.

Thanks again everyone!
-Lee Koo
CNET Community


Question:

I've finally outgrown storing my huge collection of digital
photos and MP3s on CD-R and am moving toward getting a DVD
burner. However, I am confused by all the DVD formats
available, making my buying decision difficult. Can someone
please explain to me in detail what the differences are
between them all, especially the new double-layer ones? Thank
you!


Submitted by: Edwin G.


Answer:

DVD-R and DVD+R are different competing standards for recordable DVDs. DVD-R is more compatible with older devices such as DVD-ROMs and DVD players, but DVD+R is superior on a technical level. Both of them hold 4.37GB (or thereabouts) per disc.

Then there's DVD+R DL (dual-layer), which is a higher-capacity (and significantly more expensive) version of the DVD+R spec. It holds roughly 2 times the amount of data per disc--close to 9GB per disc.

Almost all DVD burners these days can do at least DVD+/-R and probably DVD+/-RW (which are also different from the plain +/-R specs) as well. So, it probably doesn't matter what media you buy so far as it being +/-R. But it's a good idea to check your burner to see what disc types it takes, just so you don't wind up with a bunch of useless discs.

Submitted by: Yew A.

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