CMC Media

[Chewy]

Cmcmag dvd+r can be good disks if you burn slowly on a burner that likes them,
a plex 8x or my nec's, but our plex 12x just makes lots of coasters, our liteon and benQ
liked the older slower media. However the cmcmag's were usually the ones that
did the worst in copyonthefly when used as source disks. Since fuji, tdk and
memorex starting using them and they were $.40 on sale locally, I switched to
online suppliers that sell older topoftheline disks for ~$.30 in bulk(200).
The cmcmag's are a good deal at 20 cents, not 40 cents.
Is this back on topic?

[blutach]

Yes, it is.

Did you test your CMCs on your liteon for PI/PIF and jitter? I think you may find results that are less than pleasing.

Regards

[jm1647]

Here's a decent 8x burn I did using cmcmag media

[Taelon]

I never had any trouble with the CMC MAG E01 media either, this was burnt at 8x and is excellent up to about 4300 MB cmc.png

[blutach]

I never had any trouble with the CMC MAG E01 media either, this was burnt at 8x and is excellent up to about 4300 MB cmc.png

But will it be OK in a year's time? I am just not at all sure about their dyes.

If you have an old CMC burn from a year or so ago, it would be interesting to see a test.

PS Glad to see we're on topic again!

Regards

[anonymez]

something tells me we may be seeing more of CMC media in the future

http://www.digitimes.com/systems/a20050927A7040.html

[LT. Columbo]

your 100% right jm. i have dozens and dozens of cmc dvd-r's burned to perfection, and thus far almost a year now, are mint.

[tigerman8u]

Thanks for all your replies. Seems like some people get no problems with them. Looks tempting to buy a small quantity and try them out. The only thing I may be worried about is that 10 years down the line, the disks may not last as long as so-called better quality media like Ritek G04 etc.

I have no problems with cmc. Try some and see if they work for you. As for 10 years from now will some other technology have replaced the dvd ?

[Chewy]

Well I finally found an old(june 2003), pristine, cmc mag
to scan, it was a 4x dvd-r burned with pioneer 105 so I know
it was burned at 4x, quality score 92, not bad since I scanned at
8x. Almost as good as my old burns of verb's(MMC), prodisk & Ricohjpn,
they may have been burned at 8x(even the 4x dvd+r's).
Of course my new scans of TY 4x dvd-r's burned at 4x scan 95-99
time after time at 4-8x.
Hey I found one(a cmc mag from a different batch???) oct 2003, 1/2 way
thru 50% quality and dropping, same burner. It plays??? but shrink won't
even finish a backup of it. PIF's going off the chart.

[Chewy]

Well I just found a third cmc mag(sept 2003) and it's worse than the second.
All were MEMOREX! This one doesn't play anymore, looked fine, well crud!

I am with Blu on this one, I don't trust cmcmag at all anymore, one of the problem
movies gave issues only on problematic players 2 years ago, another played fine,
now both are useless, gone, in the trash can. I have noname disks from that era
which still play and test OK(above 50%).

[rsclark]

RBRTPL you mention a quality score. How do you obtain this quality score - what program do you use.

Thanks

[Chewy]

I use nero cd-dvd speed, the newest version 4.04 included with my
nero 6.6 suite, the trick is to find hardware that supports the disk
quality part of the test, the resulting quality score(never scan above 8x)
expressed as a percent(0-100) is a pretty good indication of media
quality. 0 may play but not for long or on many players. 50 is OK
99 is as good as it gets.
I have finally settled on 8x scans since I plan on doing quite a few.
Attached is a scan of a 4x burn of 16x ritek dvd+r media.

[jm1647]

There has been reports of DVD's squeaking as a result of poor bonding of the layers. It was mentioned to gently bend a DVD slightly and listen. If it squeaks definitely no long term I had a HP DVD come start coming apart from the outside edge on due to poor bonding of the layers. This happened before the squeaking report.