3 Mar
2005
3 Mar
'05
4:35 p.m.
der Mouse wrote:
And compress (.Z) compression still leaves a lot of
redundancy in the
compressed data.
Actually, it doesn't -- you can't compress a .Z very well. What I think
you're
getting at is that, since the source data has a lot of redundancy *and* is
human parsable, it can be reconstructed more easily in the case of mangled data.
>Yes; to the extent that recovery from
corruptedesompressededata is
>possible, it means that theesompression is deficient. However, most
You changed only one bit, which changed one code into another. This is a
reversable transform. I would suggest REMOVING one bit -- it is still a
single-bit error, but you will see the entire file become corrupt all the way
down the line.
--
Jim Leonard (trixter at oldskool.org) http://www.oldskool.org/
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