UDF vs ISO for burning my DVD+-R

I am taking a bunch of movies and music off my hard-drives and putting them on DVD+R and DVD-R.
I am using Nero Burning ROM 6 and have the option to make DVD(UDF) and DVD(ISO) what's the difference and pros and cons of using one over the other?
davidgareauAsked:
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Lee W, MVPConnect With a Mentor Technology and Business Process AdvisorCommented:
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SysExpertCommented:
DVD ISO is used to replicate an exact image, and should not be used in most cases.

Use UDF.

ALso I would test with one of each just to be sure. Test them in your DVD palyer.

I hope this helps !
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davidgareauAuthor Commented:
No, this is for computer-based back up only, mostly divX and mp3 files, so it wouldn't work in my DVD player anyway.
I've tested both, and both work, but I don't see the difference or pros/cons.
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davidgareauAuthor Commented:
I noticed there's also DVD (USD/ISO) so now there's three.
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davidgareauAuthor Commented:
Yeah, I googled that, but it didn't give much info, plus I like experiences from you experts rather than simply theory or facts... I find it more "real-world"
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Lee W, MVPConnect With a Mentor Technology and Business Process AdvisorCommented:
It's great you want experiences from experts - but keep in mind, the people that write most of the sites others will refer to are experts as well and/or the experts feel the material is accurate and is just saying what they would have otherwise said.

I've got a library of over 1100 CDs and DVDs and wiith RARE exception, I have burned them all as ISO format.  I've generally only used UDF when I have files OVER 2GB as ISO can't handle files larger than that.  But I've never bothered to look it up and I don't have a real preference other than ISO being the older standard I just feel more comfortable with it.  But I've never had a problem reading UDF format DVDs.
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mutley69Connect With a Mentor Commented:
I'm always using the UDF option - because it's what's beïng used by the dvd-companies. UDF has support for UTF-8 - and that may be an extra over ISO. Maybe you can opt for a multi-standard approach UDF/ISO - but this may lead to more restrictions in naming/directory depth...

I've never had any problems using UDF (if you keep the version low enough you'll be able to read those disks under windows98).

Nero 7 does this automatically for you (i'm using the auto-feature right now) - so i don't remember which one i used (but it must be 1.02 or 1.05) - with a physical partition. If you keep the standard low enough you'll be able to read it on lots of older OS-es. Don't use multisession with dvd - because it's a non-standard feature, and that may cause problems (bah!)

The only reason to use ISO is to be able to use those disks in dvd-drives under OS-es that don't support UDF. (so older unixes, or something realy weird - msdos maybe?)

maybe you can play a bit with dvd+/-RW's to find out what you may need!

good luck
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davidgareauAuthor Commented:
thanks for the input and ideas.
I have half in UDF and half in ISO, I don't see much of a difference, because I'm sure that by the time that one is obsolete, I'll have reburned onto blueray or all hard-drive or something else.
thanks
david
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