I'm sorry for such a basic question on this newsgroup, but can someone
explain to me briefly the difference between DVD-R and DVD+R?

I have a Lite-On SOHW-1633S that will handle both, and I'm just now starting
to burn DVDs (I've done CD burning for years), and I'd like to know what
type of blank DVDs to buy.

Thanks,
Mark

The difference is a technical issue of exactly how data is recorded.
Try www.videohelp.com for more info.

Some articles have said that DVD+R is now more widely supported.

Most DVD players made in recent years support playback of both types.
It is worth checking if you have a dvd player what media it supports.

I generally use DVD-R because they are more often on sale and the
players I have read them with no problems.
I have a brother overseas with a laptop that will only burn DVD+R
media.

I haven't had any real problems with any of the brands but I have never
attempted to burn them at the maximum rate. I found with my burner that
a slower speed burning provides fewer errors.

"Some articles have said that DVD+R is now more widely supported."  I
have always heard that the -R are more widely supported...but anyway...

This is a good question.  I have tried to research it some but never
found any real answers.  It doesn't seem like it could be only a how
the data is recorded because then it seems like you wouldn't have to
purchase different disk.  Since different disk are required, it seems
like it would have to be related to the physical layout of the disk.
Anyway, I am interested to know what other peoeple say.

Andrew V. Romero

rrstudio2 wrote ...
http://www.videohelp.com/dvd
"DVD-R is a non-rewriteable format and it is compatible with
about 93% of all DVD Players and most DVD-ROMs."
"DVD+R is a non-rewritable format and it is compatible with
about 89% of all DVD Players and most DVD-ROMs."

I believe these numbers are based on actual reports from DVD
player owners as shown in this extensive list...
http://www.videohelp.com/dvdplayers

On 14 Nov 2005 10:32:17 -0800, "rrstud***@icqmail.com"
<rrstud***@icqmail.com> wrote:

Newer players will play both.  Some older players (or older firmware
revisions) are fussy.

As DVD players are currently priced as near to free as they could be
without being given away with cornflakes, it's not much of a problem.
If you've got a fussy player dump it and buy a new one.

On 11/12/2005, Mark Westling managed to type:
To your original question: The formats of the disks are to all intents
and purposes identical. They use different physics and chemistry to
represent the same bits, so the writing lasers need different settings,
and, once written, the reflectivities of the two kinds of disc might
vary a bit.  The hope is that, between the two technologies, the
differing return signals from zeros and ones still manage to work with
your players and drives.

I can't offer details (Duh! Of course not - I don't know them!), but
different dyes, different reflectivities, the use of changeable
polarization properties, these are the sorts of things that vary
between the + and - technologies.

HTH,
Gino

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