FWIW I created a Huffman code for 50**2 pairs to improve the compression. (So called "blocking" )

It only saved something like 1% of the average code length, which seems to indicate that the code is already very close to the optimal entropy limit.

See German-WP for theoretical background.

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery FootballPerl is like chess, only without the dice

In reply to Re^11: Data compression by 50% + : is it possible? by LanX
in thread Data compression by 50% + : is it possible? by baxy77bax

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