I attended a very good workshop on
longevity and storage of optical and magnetic media put on by the Canadian
Conservation Institute three or four years ago.
At that time they were in the middle of
some very detailed research on the longevity and reliability of CD’s and
DVD’s
I saw a lot of their raw data and tentative
conclusions at the time, but I believe much of the work was since published by
them, though I’ve never actually followed up on tracking down the papers…
Tim Atherton
Timothy Atherton
Information Management Technician
Museums and Collections Services
Ring House #1
University
of Alberta
Edmonton,
Alberta
Canada
T6G 2E1
From: Mike
Rippy [mailto:mri...@ima-art.org]
Sent: Monday, January 16, 2006
6:48 AM
To: mcn-l@mcn.edu
Subject: Fwd: CD Lifespan?
>>> malar...@unr.edu 1/14/2006 4:01:52 PM >>>
From: "McCormick, Kathleen"
<kmcco...@email.uncc.edu>
Subject: CD Lifespan?
Date: Fri, 13 Jan 2006
Even with magnetic tape, you will face carrier degradation and
potential loss of information over time. This topic appears
again and again on the Association of Recorded Sound Collections
(ARSC) listserv & and has been addressed by the International
Association of Sound Archives technical committee.
There is certainly a lot of uncertainty about CD longevity. Much
of which has to do with recurrent changes in the chemical make-
up of CDs as the industry responds to public demand, cost
concerns, etc.
For more information see:
The August 2005 issue of RLG DigiNews (an online journal)
contains an article titled "FAQ: Predicting the Life Expectancy
of Modern Tape and Optical Media" by Vivek Navale of NARA. The
article provides in-depth summaries of several stu! dies by LOC,
NIST, NARA, and
others.
http://www.rlg.org/en/page.php?Page_ID=20744
Katie McCormick
Reference Archivist and
Coordinator for the Oral History Program
Special Collections - J. Murrey Atkins Library
UNC Charlotte
9201 University City Blvd
Charlotte, NC 28223-0001
704-687-6288
kmcco...@email.uncc.edu
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