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most of my CD-R from 20 years ago are "dead". I just went through a huge box of hundreds of CD-Rs, that were either loose or on spindles and stored in an attic for nearly two decades. I'd say maybe five to ten of them failed to read. None of them had anything useful or interesting on them, but that's a different issue.
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most of my CD-R from 20 years ago are "dead". I just went through a huge box of hundreds of CD-Rs, that were either loose or on spindles and stored in an attic for nearly two decades. I'd say maybe five to ten of them failed to read. None of them had anything useful or interesting on them, but that's a different issue. That's quite a lot! Though CD-Rs are of course more prone to deterioration than pressed CDs. I have some CDrs that are about 20 years old, but last time I checked (which is a couple of years ago), they were doing fine.
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I have a few CDs amassed over the years, and I know these things are basically very durable. My first CDs I bought in 1987, and (last time I checked) they played just fine. Of course, CDs can become scratched other otherwise accidentally damaged, various types of handling can impair playability of a CD, that is obviously not "CD rot". Under "CD Rot" I would consider CDs that actually deteriorate over time with no evident external cause. CDs that are just kept like all the others in the jewel case in the shelf and when you pull them out a few years later perform worse, so they have deterioriertet. Such a thing exists, and since it is rare, I would suppose it is indeed some kind of manufacturing error. But it's obviously not an error that is immediately apparent, but rears its ugly head years later.
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I have some CD that are among the first printed and they all play fine. The so called 'rot' is all about the manufacturing quality, as someone else rightly stated above Even if it is caused by manufacturing errors (and I agree that is the most likely case), it is nevertheless still real "rot", in the sense that the condition worsens without obvious external influences.
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Yeah, in these cases those cd quickly spoil, and if are really only a limited number of companies. The idea that this is any kind of wide spread problem is just not correct. I guess any amount of it is annoying, but this is not a large scale issue at all, it is a minuscule number You're right, it's not a widespread problem as far as I can tell, and no one here has claimed otherwise. Still, even though in my experience it seems to affect less than 1 in 1000 CDs (though of course I don't regularly check all my CDs... they are usually just sitting in a shelf doing nothing), it is still something that can happen. I also did not find they rot "fast", rather slow, almost unnoticeable. (But EAC diligently points to any "suspicious" areas when ripping a CD, so you can actually notice it even if the errors are not "audible" (yet?)). PS: Unrelated I just checked on two CD-Rs with ancient data which I burned over 20 years ago and kept in a box in our garage. They read just fine.
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