FROM:
http://netforbeginners.about.com/cs/multimedia/a/DVD_explained_3.htm
There is no physical difference between a DVD-R/-RW disc and a DVD+R/+RW
disc.
There is, however, a series of technical differences between DVD-R/-RW
DVD+R/+RW recorder *format* . The DVD+R/+RW format offers subtle extra
functionality for people who record their own movies and audio.
*The Standards Differences*
1) The DVD-R (pronounced "DVD dash R") and -RW media formats are
officially approved by the standards group *DVD Forum*
<
http://www.dvdforum.org/format-format.htm> . The DVD Forum was founded
by Mitsubishi, Sony, Hitachi, and Time Warner, so it has tremendous
industry support for its technical standards.
2) DVD+R ("DVD plus” R) and +RW formats are not approved by the DVD
Forum standards group, but are instead supported by the *DVD+RW
Alliance. * <
http://www.dvdrw.com/why/customer-benefits.htm> The DVD+RW
Alliance is supported by Sony, Yamaha, Philips, Dell, and JP, so it also
has tremendous industry support for its technical standards. Note that
Sony supports both organizations.
3) Trivia "DVD Slim" format is not approved by any standards body.
4) Trivia: DVD RAM is a late 1990's format that has lost popularity, and
is effectively a non-choice for consumers today, since most movies in
2004 will not play on DVD RAM.
*The Functional Differences*
The main functional differences between DVD-R and DVD+R are:
1) the DVD recorder's built-in defects management,
2) the way the recorders format and rewrite DVDs,
3) the price.
According to the claims of the DVD Alliance, using a DVD+R/+RW recorder
will let you do the following:
*1. Instantly eject* without having to wait for finalized formatting.
*2. Ability to record* one DVD disc partially on PC and partially on
television.
*3. Background formatting:* while the disc is being formatted, you can
simultaneously record on already-formatted portions of the same disc.
*4. Enhanced ability to edit* filenames, movie and song titles, and
playlists.
*5. 100% compatibility* with all other DVD players, while still enjoying
these extra recording features.
On 10/05/2014 05:57 AM, Mark Jarvis wrote:
>
> It's been lo-o-ong time since I played with burning ISO files to
> media. The latest Ubuntu will require a DVD. Which is better DVD-R or
> DVD+R? Learning why would also be useful.
>
> Thanks for any advice.
>
>
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