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Re: [ARSCLIST] Further thoughts on the new CLIR report. DVDs
Karl Miller wrote:
On Mon, 27 Mar 2006, Mike Richter wrote:
2. Manufacturers of recordable media guesstimated lifetime in centuries,
I can only relate my recollection that suppliers of CDROM products would
limit lifetime to ten years.
3. English text - ASCII, ANSI or otherwise represented - is highly
tolerant of error. Executable code is not. Audio is moderately tolerant
for most listeners in most cases.
This I do not understand. With each bit being significant for text, how
can text be less subject to error?
When the claims were being made, lifetime was estimated to be 100 years
with premium media talking about 200 years. Those numbers were as
realistic as the recent PC publication claiming that burned media would
die in two to five years.
Redundancy in English text is very high, usually sufficient for the
original to be reconstructed when every third character is lost. For
Th- q-ic- b-ow- f-x -um-ed-ov-r -he-la-y -og
At 10% lost, one gets something like
C-me gaze -ith me upo- this dome-of many-co-ored glass
Finding the original poem given that clobbered first line would not be
difficult - assuming that cummings's poetry was deemed fit for the
Do *not* try that with a computer program. <G>