--- Forwarded Message from Lucinda Miller <[log in to unmask]> ---

>User-Agent: Microsoft-Entourage/9.0.2509
>Date: Mon, 24 Jul 2006 17:24:44 -0400
>Subject: Re: #8288.1 (!) Audio archiving - CD life expectancy
>From: Lucinda Miller <[log in to unmask]>
>To: Language Learning and Technology International Information    Forum
<[log in to unmask]>
>In-Reply-To: <[log in to unmask]>

Thanks!  I'm happy to hear that.

Lucinda Miller

on 7/24/06 4:14 PM, LLTI-Editor at [log in to unmask] wrote:

> The oldest CDs that were made on our single speed Cd burner in 1993 are still
> working fine. The disk media was from an obscure company called Taiyo in Japan
> (at $30 a piece!!!). They are stored in my office (no air  conditioning, no
> light protection, open windows in the summer, lots of changes in humidity and
> temperature). I also have commercially produced CDs that are about 20 years
> old
> that show no signs of deterioration.
> 
> The cds have (ink) writing on them, some have labels, and all of them are
> working fine.
> 
> Since there is really no exact way to determine at what point data is being
> compromised or totally lost, going with manufacturers' recommendations for
> storage is probably best.
> 
> We also have DVDs that were burned here and are now older than ten years. We
> have not encountered any problems either.
> 
> Otmar Foelsche
> 
> 
> 
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> Otmar Foelsche, LLTI-Editor ([log in to unmask])
> ***********************************************
>