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GeneralRe: "CDs will last for 100 years" Pin
Daniel Pfeffer15-Oct-18 11:11
professionalDaniel Pfeffer15-Oct-18 11:11 
GeneralRe: "CDs will last for 100 years" Pin
dandy7216-Oct-18 5:05
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GeneralRe: "CDs will last for 100 years" Pin
Sander Rossel14-Oct-18 9:44
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GeneralRe: "CDs will last for 100 years" Pin
Johnny J.15-Oct-18 0:36
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GeneralRe: "CDs will last for 100 years" Pin
lopatir14-Oct-18 7:07
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GeneralRe: "CDs will last for 100 years" Pin
Sander Rossel14-Oct-18 9:43
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GeneralRe: "CDs will last for 100 years" Pin
OriginalGriff14-Oct-18 6:17
communityengineerOriginalGriff14-Oct-18 6:17 
GeneralRe: "CDs will last for 100 years" Pin
Member 798912215-Oct-18 0:04
MemberMember 798912215-Oct-18 0:04 
I never heard anyone claim that home burned CDs would last for a hundred years.

I was so excited about CDs that I started buying discs about a year before I could affort a player (I was a student at that time), and had a friend copy them to CC for my use. When I finally got the money to buy a player, it cost something like USD 1400 (by the USD exchange rate of that time), but it was so cheap that it had only a 14 bit D/A converter.

I believe my oldest CDis from 1983, and it still plays fine. I do have a few discs from the first years where you can easily see that the sealing at the center hole is imperfect; stains of oxidizing are growing within the plastic. Those do not play well any more, but I did manage to save them to hard disk: I learned that CD/DVD units for PC vary greatly in their ability to read bad discs.

I have recently copied my entire collection of CDs to the harddisk - which saves me hours and hours searching my shelves for that one altenate recording of a given piece Smile | :)

HiFi freaks, don't read the following: I also keep them on the hard disk in AAC HE format - I consider my physical CDs sufficient backup of for the uncompressed quality. (But considering the amount of work re-ripping 1000+ CDs and 600+ vinyl records in case my music HD is ruined, so I do have a copy of my music collection at the office as well!) For my 600+ digitized vinyls / CCs / recordings from the radio, I have kept the raw digitization before noise removal in uncompressed format, but the processed (noise reduced) copy I have for listening is in AAC HE format.

The problem with long time archival storage that I fear the most: I can make a backup of my 4TB audio disk (still less than half filled) in a single command. But fifty years from now, can I be sure that there is a player available for WMA files? For Monkey/Ape? ATRAC? RealAudio? au files? (and two dozen other formats) Can I be sure that the container format is known and dechipherable?

True enough: Files in all these strange formats were not created from CDs (at least not directly from one in my shelf). During the nineties, sound files you downloaded from the Internet could be in any of a great multitude of formats. For now, I have players for all the formats in my sound archive (some of the players are DOS applications!), so there is not a big problem. Yet. Not as long as PCs and Windows are around. For documents - mainly text, but also embedded figures - the problem is far more developed: I have got old documents in several formats for which I have only a hardcopy printout available, along with the file that noone can interpret. For some, I probably could still find readers / converters. For others I could not, especially pre-Windows formats, and even more for pre-PC/Intel formats: Editors were proprietary software on proprietary hardware architectures obsoleted twenty or thirty years ago. I suspect that lots of audio files will be in the same situation a few years from now: When people drop PCs, lots of the old sound files are lost, because the player is.

Then: I hear a loud "Who cares??" from the young generation. I haven't met one person below 35 who really cares for preserving old sound recordings, old photos, old movies. I have prepared some sound files (private recordings) and offered to children of those performing, and been told that "My mother loved it" - but that's where it went. The next generation didn't care at all. Not even for recordings of their own performances or activities. "I don't need that, I was there and know how it was!" (that's an actual quote). Noone asks grandma to tell from the old days, show the old photo and wants to see the old Super-8 movies or listen to the open-reel tapes from when daddy was a boy.

So if recordings are lost: It really doesn't matter. The only ones who might care are the professional historians. And very few common people have any concern for their work.
GeneralRe: "CDs will last for 100 years" Pin
dandy7215-Oct-18 5:54
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GeneralRe: "CDs will last for 100 years" Pin
lopatir14-Oct-18 7:24
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GeneralRe: "CDs will last for 100 years" Pin
glennPattonWork14-Oct-18 23:53
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GeneralRe: "CDs will last for 100 years" Pin
Member 798912215-Oct-18 0:19
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GeneralRe: "CDs will last for 100 years" Pin
glennPattonWork15-Oct-18 1:05
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GeneralRe: "CDs will last for 100 years" Pin
dandy7215-Oct-18 6:03
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QuestionLinux VPS Hosting Pin
R191114-Oct-18 4:11
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Dan Neely15-Oct-18 3:55
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GeneralWPF - why?! Pin
Kornfeld Eliyahu Peter14-Oct-18 1:50
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OriginalGriff14-Oct-18 1:55
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