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great review as usual, one quibble (Reply to this comment)
by benho
", I cannot compress a .ZIP file any further. Mathematically, I would think it could, but once a file is zipped a certain way, even Zip cannot take it down any further"
I wouldn't expect multiple zippings to do much better in terms of compression. I remember, way back when, before RAR, in the days of compress, ARJ, ARC, LHZ (or something like that), etc, I used to experiment with using different compressions, and multiple times, and no matter what happened, variations were rarely more than 1%.
Later, I realize that this makes sense, that Huffman coding basically compresses to the theoretical limits anyway (unless you cheat, and know that it's a .WAV or something), and that Mathematically, It makes sense that additional compressions don't help, given how little information per byte there is left (ala Shanon's Theorem).
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Jun 05 '01
2:20 pm PDT
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