Re: Recovery of Disks project
- From: "Rick Balkins" <nospam.rickbalkins@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 13 Oct 2005 01:42:32 -0700
Technically, yes. Though two very wide spread tones. Like black & white
pixels on a video screen bein recorded or two very distinct tones in sound.
They tend to last longer. This is kind of the picture you can think of in
digital being recorded on analog media.
Actually, I would say the most recent data would hold out longer. There is
also called magnetic polarity states to watch out for as they may flip.
<dunric@xxxxxxxxx> wrote in message
news:1129185621.600743.51870@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> So in other words, disks are analog media?
>
> If this is true, doesn't that make their longevity questionable?
>
> A tape that has stored voice recordings tends to deteriorate over time
> (known as "bit rot", at least in the computer industry).
>
> How long do these "layers" of data underneath last? Longer than the
> data above it, I presume?
>
> Paul
>
.
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