Archived posting to the Leica Users Group, 2006/08/14

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Subject: [Leica] Re: Digital image longevity
From: lug at steveunsworth.co.uk (Steve Unsworth)
Date: Mon Aug 14 15:49:28 2006
References: <200608141445.k7EEj3NT012551@server1.waverley.reid.org> <E7BF209C-C607-4133-A671-E11CFD537F3B@optonline.net> <C24C698C-E846-493F-BB02-E7C422A12CB4@shaw.ca>

A very early, and expensive, two box audio CD player by the UK  
company Cambridge had a little light that flashed when a read error  
was detected. Never really caught on :-)

Steve


On 14 Aug 2006, at 23:40, John Collier wrote:

> The problem with CD and DVD discs is that there is "error fudging"  
> software used when reading them. As the errors pile up it gets to a  
> point where it is no longer possible to compensate for them: bingo  
> the file is unreadable. It is literally working fine one day and  
> the next nothing. The disc reading software should display how  
> critical the errors are getting so you could write the open file  
> (not copy the disc) to another disc or drive in time.
>
> John Collier

In reply to: Message from lrzeitlin at optonline.net (Lawrence Zeitlin) ([Leica] Re: Digital image longevity)
Message from jbcollier at shaw.ca (John Collier) ([Leica] Re: Digital image longevity)