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Re: Binary properties

From: Branko Èibej <brane_at_xbc.nu>
Date: 2000-10-22 23:54:43 CEST

"Jonathan S. Shapiro" wrote:
> Base64 interacts unfavorably with byte-based compression schemes. In
> base64, 3 bytes get turned into 4. The encoding scheme skews the input
> byte distribution seen by the compressor in such a way that the
> distribution looks more like letter pair distributions than letter
> distributions.
[snip]

I always thought the "correct" way was to compress first, then
text-encode
(base64, uuencode or whatever). Then the encoding type will in no way
affect
compressibiliry. 

-- 
Brane �ibej
  home:   <brane_at_xbc.nu>            http://www.xbc.nu/brane/
   ACM:   <brane_at_acm.org>           http://www.acm.org/
Received on Sat Oct 21 14:36:12 2006

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