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Fitzcarraldo View Drop Down
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Direct Link To This Post Topic: CD rot
    Posted: April 17 2007 at 14:00
Well, I've recently experienced my first case of CD rot. It's one of the first CDs I bought oh, must have been ten years ago, and happens to be a CD of ELP's first album -- no wisecracks about ELP, please ;-)

Looking at the underside of the CD, which I had kept in pristine condition, I can see patches of darker discoloration on the silver coating as if something is getting under it. The CD is unplayable.

I'm now left wondering how many more of my CDs are going to go the same way in the next few years. Hmmm... rather worrying.

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Direct Link To This Post Posted: April 17 2007 at 14:10
can you say when the CD was pressed? I think I have a few presses from the 80's, but they're still fine though.
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Direct Link To This Post Posted: April 17 2007 at 14:13
I have always thought this to be an inevitability I'm afraid. Like a lot of things with a short life-time - no-one knows how long they will actually last.
 
Has it affected the sound yet?
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Direct Link To This Post Posted: April 17 2007 at 14:20
^ Fitz said it was unplayable.
My vinyl all still plays fabulously! Smile
Kryten : "'Pub'? Ah yes, A meeting place where humans attempt to achieve advanced states of mental incompetence by the repeated consumption of fermented vegetable drinks."
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Direct Link To This Post Posted: April 17 2007 at 14:26
Ah yes, sorry
 
I started buying CDs in 1991 and, to my knowledge, have yet to find this sort of problem. Trouble is, I have so many that I could easily not discover something like this for years! Especially as many of my old CDs are not played as often as the more recently purchased ones.


Edited by Glueman - April 17 2007 at 14:30
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Easy Livin View Drop Down
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Direct Link To This Post Posted: April 17 2007 at 14:30
I think in the early days it was the labels they used on the CDs which were found to cause the problems.
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Direct Link To This Post Posted: April 17 2007 at 14:32
Originally posted by Easy Livin Easy Livin wrote:

I think in the early days it was the labels they used on the CDs which were found to cause the problems.
 
That always concerned me, especially home recorded discs - along with writing on CDs with a permanent marker (not that I do).
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MikeEnRegalia View Drop Down
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Direct Link To This Post Posted: April 17 2007 at 16:18
Originally posted by Fitzcarraldo Fitzcarraldo wrote:

Well, I've recently experienced my first case of CD rot. It's one of the first CDs I bought oh, must have been ten years ago, and happens to be a CD of ELP's first album -- no wisecracks about ELP, please ;-)

Looking at the underside of the CD, which I had kept in pristine condition, I can see patches of darker discoloration on the silver coating as if something is getting under it. The CD is unplayable.

I'm now left wondering how many more of my CDs are going to go the same way in the next few years. Hmmm... rather worrying.



Time to rip them to your harddrive in a lossless format (like Apple Lossless, WMA Lossless, FLAC).Smile
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Direct Link To This Post Posted: April 17 2007 at 22:30
[soapbox mode]
While there are known 'bad batches' of cds that have a lot of rot I think this disaster can happen  to any cd at any time. It's really a bummer and a major downfall of cd's as a medium.  I have  cds that are now over 20 years old and have no problem and  one as old I had to discard. I have also discarded a cd less than 3 years old because of this.  This pestilence can strike at any time.
 At least when a record was bad (warped scratched or off center) you knew imediatly and got it replaced for free. If it was good it stayed good. No surprises 7 years later when it may be hard to find a replacement and you definatly have to pay for it again.  This is a crappy situation and there should be a recourse for those of us burned by poor quality control.

[/soapbox mode]
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Edited by Flyingsod - April 17 2007 at 22:30

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Direct Link To This Post Posted: April 18 2007 at 08:45
Originally posted by Flyingsod Flyingsod wrote:

[soapbox mode]
This is a crappy situation and there should be a recourse for those of us burned by poor quality control.

[/soapbox mode]
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It's a longshot but have you contacted the manufacturer? That's where I'd be going - with a snotty email or letter.
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Direct Link To This Post Posted: April 18 2007 at 17:02
"CD rot - better than scrot rot" .. as my grandpa always used to say.
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Direct Link To This Post Posted: April 18 2007 at 18:05
Suffered a bit of that did he?
 
No - on second thoughts - keep that to yourself.
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Direct Link To This Post Posted: April 18 2007 at 18:23
You do know plastic doesn't rot, it's a reaction in carbon based material when it get's old and starts producing bacteria that then turns it back to earth, easily put. I bet you do. Anyway, I hope mine won't go bad. Of course nothing is forever, but it'd be crap having to update the cd collection again and again.
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Direct Link To This Post Posted: April 19 2007 at 01:31
It's not actual rot - that's just the term people are applying. What is actually happening is a breakdown of the integrity of the composition of the CD - a deterioration of the reflective layer caused by oxidisation.

Edited by Glueman - April 19 2007 at 03:33
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Paradox View Drop Down
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Direct Link To This Post Posted: April 27 2007 at 17:23
I've never encountered this problem and hope I never do.
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Direct Link To This Post Posted: April 28 2007 at 04:52
^ you will ... it's only a matter of time. The only way to safe the CDs is to rip them in a lossless format ... which I will do later this year, when I have a new hard drive with more than 500GB.
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Direct Link To This Post Posted: May 04 2007 at 15:13
Ok I may as well take your advice. I too need a new hard drive.

I'm thinking of buying a 1000gb one, as they tend to fill up all too soon. Cheapest I am aware of though is around £240 Cry
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Direct Link To This Post Posted: May 04 2007 at 15:21
I don't know why you would think it "safe" on a hard drive either. Never had terminal hard drive failure? It only needs to happen once.........
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Direct Link To This Post Posted: May 04 2007 at 16:05
Ah it would have to be on two hard drives. It's best to have en external one - then you can turn it off and the hard drive won't be spinning constantly - thus shortening it's life.
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Direct Link To This Post Posted: May 04 2007 at 22:33
Originally posted by Snow Dog Snow Dog wrote:

I don't know why you would think it "safe" on a hard drive either. Never had terminal hard drive failure? It only needs to happen once.........


You could always build a redundant array of harddrives, so that if any one of them fails you don't lose any data. 

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