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The Lifespan of CD-R's

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The Lifespan of CD-R's

Postby BurninMan921 on Tue Sep 02, 2003 3:51 pm

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Postby Ian on Tue Sep 02, 2003 4:35 pm

The Reg just noticed that article?

Personally, I don't put too much faith into PC Active's findings. The whole article is vary vague and they leave too many questions unanswered.
"Blu-ray is just a bag of hurt." - Steve Jobs
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Postby BurninMan921 on Tue Sep 02, 2003 4:46 pm

Yeah, I've got some CD-Rs back from the stone-age (8x max :)), and all but one still read fine. Then again, the 166S is pretty good at reading just about anything...

Ian, is this the same article mentioned here awhile ago? I remember seeing something along these lines here...
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Postby Ian on Tue Sep 02, 2003 7:28 pm

Yeah probably. CD Freaks has a translation of the article here:

http://www.cdfreaks.com/news/7751

Here's a link to the article too:

http://www.pc-active.nl/toonArtikel.asp?artikelID=508
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Postby Inertia on Tue Sep 02, 2003 11:25 pm

Ian wrote:Personally, I don't put too much faith into PC Active's findings. The whole article is vary vague and they leave too many questions unanswered.


I can imagine the following scenario at a PC Active meeting:

"Anyone got any ideas for a good controversial article?"

"Yes, let's buy some of the lowest quality CD-Rs we can find and make low quality recordings that are not quite unreadable. If we test the discs again about 20 months later, these poor quality recordings have had a chance to degrade further. Then we can accent the negative and write an exposé about the unreliability of CD-R discs. If we can show problems with enough discs and sensationalize the issue, we will get a lot of attention and our reputation and circulation will soar." 8)
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Postby dolphinius_rex on Wed Sep 03, 2003 7:19 am

I have an old 63min CD-R that was burned a long LONG time ago, and its' quality blows away any of the CD-Rs that I burned back in '96. I didn't burn the 63min CD-R though...I just got it from where I work since it had been sitting around from 10+ years unclaimed. Who knows WHEN it was burned LOL! It was very interesting to see an original 1x Maxell CD-R! if anyone's interested I can post ATIP info and K-Probe scans :wink:
Punch Cards -> Paper Tape -> Tape Drive -> 8" Floppy Diskette -> 5 1/4" Floppy Diskette -> 3 1/2" "Flippy" Diskette -> CD-R -> DVD±R -> BD-R

The Progression of Computer Media
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Postby CDRecorder on Wed Sep 03, 2003 12:22 pm

I have an old Memorex (CMC) CD-R that was burned in 2000 (74-min disc, 7:49 of data on it), and it's still perfectly readable. Here are the KProbe results:

C1 Max= 20, Total= 1415, Average= 3.377
C2 Max= 0, Total= 0, Average= 0.000

Not bad for a 3-year-old CD-R which hasn't been treated unusually well!
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Postby David on Wed Sep 03, 2003 4:51 pm

Heres my oldest cd 4 years old burned with a now dead hp 2x2x6 drive.

Imation CMC burned in 1999 74-min 609MB used
C1 Max = 13, Total = 3184 Average = 1.1 And no C2 errors.
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