Newsgroups: comp.compression Path: utzoo!censor!meadow!py From: py@meadow.uucp (Peter Yeung) Subject: Re: Lempel-Ziv v/s huffman encoding Message-ID: <1991Apr1.192341.1805@meadow.uucp> Reply-To: py@meadow.UUCP (Peter Yeung) Organization: Amdahl Canada Ltd., Software Development Center References: <46466@ut-emx.uucp> Distribution: comp Date: Mon, 1 Apr 91 19:23:41 GMT In article <46466@ut-emx.uucp> readdm@ccwf.cc.utexas.edu (David M. Read) writes: >In article <> kenw@skyler.arc.ab.ca (Ken Wallewein) writes: >> For a long time, everybody used Huffman compression. Then Lempel-Ziv >>(which I presume is a recent development) became popular, and everybody >>started using that instead. Now I see a return to Huffman, and some >>utilities which claim to use some sort of combination. > >> Could somebody please explain all this to me? Which is better for what? >>Can they really be combined? Why are people returning to Huffman >>compression? >> > >Would someone do me the favor of explaining huffman compression? I >think I have a grip on LZ compression, but I don't even have reference >for Huffman compression. > There is an article on LZW and Dynamic Huffman Encoding in the March issue Byte Magazine. > >-- >Dave Read | readdm@ccwf.cc.utexas.edu | ...in large, friendly >UT-Austin Nuclear Physics | | letters, were the words > Graduate Student (Slave) | | DON'T PANIC ! >"What for you bury me in the cold, cold ground ?" - The Tasmanian Devil -- Peter Yeung Amdahl Canada Ltd., Software Development Center 2000 Argentia Road, Plaza 2, Suite 300 Mississauga, Ont. L5N 1V8 Phone: (416) 542-6300 Fax: (416) 858-2233