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How Long Do CDs Last? It Depends, But Definitely Not Forever
NPR ^ | August 18, 2014 5:21 PM ET | Laura Sydell

Posted on 08/26/2014 9:52:12 AM PDT by a fool in paradise

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To: RinaseaofDs

The better mousetrap usually isn’t.

At least the change to CD wasn’t mandated by the government as cooling systems, televisions, toilets, and other items commonly used in the home were.


21 posted on 08/26/2014 10:20:57 AM PDT by a fool in paradise (ISIS has started up a slave trade in Iraq. Mission accomplshed, Barack, Mission accomplished.)
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To: a fool in paradise

Don’t worry... Lois Learner’s email was archive on Compact Disk too.


22 posted on 08/26/2014 10:21:59 AM PDT by Rodamala
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To: a fool in paradise

rock carvings last almost forever.


23 posted on 08/26/2014 10:22:15 AM PDT by Louis Foxwell (This is a wake up call. Join the Sultan Knish ping list.)
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To: Da Coyote

That’s great, as long as the LP doesn’t have any scratches.


24 posted on 08/26/2014 10:22:25 AM PDT by dfwgator
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To: a fool in paradise

Longevity starts with the quality of the CD itself and the quality of the burn.

Almost all CDS sold retail are trash made in basements in Taiwan. Brand means nothing as the actual CD vendor changes from batch to batch depending which basement is cheapest that day.

The only really good CDs are made by Taiyo Yuden, but be sure the ones you buy are not counterfit TYs.


25 posted on 08/26/2014 10:28:46 AM PDT by catnipman (Cat Nipman: Vote Republican in 2012 and only be called racist one more time!)
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To: a fool in paradise

I just assumed all of my CD’s were top notch quality. After all, they are delivered in ‘jewel cases’ which we all know to be durable and made with a very high level of craftsmanship.


26 posted on 08/26/2014 10:31:00 AM PDT by who_would_fardels_bear
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To: a fool in paradise

Strange - after all the ‘high tech’ it may be best, after all, simply to own books.

And how many people are there who don’t leave their CDs in the car all year ‘round?


27 posted on 08/26/2014 10:35:41 AM PDT by Jack Hammer
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To: circlecity

Funny, the Rosetta stone’s been around a while. Not so much the complete collection of the Dead Sea Scrolls, though.


28 posted on 08/26/2014 10:37:38 AM PDT by Calvin Locke
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To: a fool in paradise
Many institutions have their archives stored on CDs — but the discs aren't as stable as once thought. There is no average life span for a CD, says preservationist Michele Youket, "because there is no average disc."

Back many years ago, when audio CDs were new and data CDs were just coming in, the buzz was all "indefinite", as though they were eternal.

I talked with Bill Henderson, then the University of Illinois' preservation librarian on that multiple times. He did not buy it.

29 posted on 08/26/2014 10:37:47 AM PDT by Lee N. Field ("And if you are Christ's, then you are Abraham's offspring, heirs according to promise" Gal 3:29)
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To: a fool in paradise

Deterioration of the reflective layer isn’t the only problem.

The base layer of a CD is made of polycarbonate plastic, something I had assumed would last practically forever — not so. I bought a number of Telarc music CD’s in the late 1980’s. Several of them have completely cracked while sitting in their jewel cases inside a dark record cabinet. My house is air-conditioned year-round, so there are never humidity or temperature extremes.

Meanwhile my vinyl LP’s and shellack 78’s remain good as new.


30 posted on 08/26/2014 10:43:54 AM PDT by TexasRepublic (Socialism is the gospel of envy and the religion of thieves)
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To: Calvin Locke
"Funny, the Rosetta stone’s been around a while"

How often do you listen to the Rosetta Stone? And it's not even in Hi Fi.

31 posted on 08/26/2014 10:43:57 AM PDT by circlecity
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To: a fool in paradise

If you live aboard a boat, forget CDs - the dampness is very destructive.


32 posted on 08/26/2014 10:45:08 AM PDT by dainbramaged (Get out of my country now)
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To: a fool in paradise
Researcher France says many of them can actually last for centuries if they're taken care of. "The fastest way to destroy those collections is to leave them in their car over summer,"

That and the fact that I had a CD changer I nicknamed "Old Scratchy" are the reasons I got in the habit of copying every CD I bought and only playing the copies in the car.

The only really good CDs are made by Taiyo Yuden, but be sure the ones you buy are not counterfit TYs.

Those are the main blanks I buy for writable media.

33 posted on 08/26/2014 10:51:48 AM PDT by KarlInOhio (The IRS: either criminally irresponsible in backup procedures or criminally responsible of coverup.)
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To: a fool in paradise

Pressed CD = almost forever...

Burned Cds..... Depends onthe dye used...


34 posted on 08/26/2014 10:52:00 AM PDT by GraceG (No, My Initials are not A.B.)
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To: edpc; KC_Lion

I store all my vital information on a Cardassian one time Opto-lithic Data Rod imported straight from the Top Secret Obsidian Order supply Depot on Cardassia IV.

It costs me several liters of Bio-mimemtic gel per Exo-byte, but it is worth it.

35 posted on 08/26/2014 10:56:59 AM PDT by GraceG (No, My Initials are not A.B.)
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To: a fool in paradise

Compact discs are a godsend to people who live with cats. No more pop ..... pop ..... pop ..... pop as another cat hair gets stitched into soft vinyl grooves.


36 posted on 08/26/2014 11:01:00 AM PDT by Menehune56 ("Let them hate so long as they fear" (Oderint Dum Metuant), Lucius Accius (170 BC - 86 BC))
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To: oldtech

Flash has a duration of about seven years. In no way should flash be used for archival. You will start to lose some cells (bits, really) in as little as five years.


37 posted on 08/26/2014 11:52:04 AM PDT by pcrowley
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To: catnipman

Unfortunately, Taiyo Yuden is old news. They were bought out and have been producing so-so discs since then. I have been having very good luck with Falcon media, but I am not sure I would hold them up as a standard.

You are quite correct about brands and disc sourcing. If you buy discs from a media vendor, they are generally going to know what is going on in the industry and what discs they have which are quality - both in the disc manufacturing and the dye being used. If you buy discs at Walmart, I would say they are fine for a year or so and fine to transport files but not good for archival at all.


38 posted on 08/26/2014 11:52:04 AM PDT by pcrowley
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To: a fool in paradise

The Revenge of Vinyl!

39 posted on 08/26/2014 11:55:08 AM PDT by SoFloFreeper
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To: SoFloFreeper

Vinyl is Final!


40 posted on 08/26/2014 12:01:39 PM PDT by GreenHornet
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