Disc Rot

[ki_atsushi]

A sufficiently short defect will be reliably covered by the error-correcting codes in the system. For CD, you're nominally fine losing up to 2.5mm. I haven't looked into DVD/BD, but they're probably better.

I would think they would be worse actually, since they have much more data packed in and therefore have much smaller pits and lands.

DVD's are especially prone to skipping, and I'm sure this is why. Never had a problem with bluray's but that's most likely due to them being manufactured much more solidly, and with scratch resistant coating.

 

[norton9478]

Ive seen it on some Deutsche Grammophon audio CD's.

But as far as media archival goes, nothing is worse than Sticky-shed syndrome.
https://en.wikipedia.org/wiki/Sticky-shed_syndrome

 

[SpamYouToDeath]

I would think they would be worse actually, since they have much more data packed in and therefore have much smaller pits and lands.

I'm having trouble getting at the actual papers right now. A quick search says that the error-correcting codes used on DVD can correct burst errors about 5x longer than the CD-DA CIRC coding. That would just about balance out the higher density.

(Though if we're talking about Mode-1 CD-ROM sectors, they also have a block-based code applied on top of the cross-interleaved codes. I don't know exactly how that affects error-correction performance - most of the references I've got pre-date CD-ROM.)

 

[aoiddr]

But as far as media archival goes, nothing is worse than Sticky-shed syndrome.
https://en.wikipedia.org/wiki/Sticky-shed_syndrome

Ah, that's what that's called. I remember seeing in one of the Star Wars extras at one point the Lucasfilm's sound team having to bake their archived sound effect reel to reels just so they could digitize them before they fully degraded.

 

[oliverclaude]

Don't play... just emulate: You won't notice!

Do you want to know more? Check out #youwontnotice & uwontnotice.com

 

[Jon]

Only CD game I've had go bad on me was the PAL release of Rez for Dreamcast. That game is notorious for bit rot, though.

Oddly enough, the save file I've had since 2007 still works for the JP version.

Jon

 

[GutsDozer]

All creature will die and all the things will be broken.

 

[Ip Man]

This thread title is misleading...

disc rot.

 

[Rot]

This thread.... is a bullshit lie...

 

[Fygee]

disc rot.

View attachment 42928

I clicked this link expecting to see something like that.

I was not disappointed.