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: <KENW.91Mar29153846@skyler.arc.ab.ca> <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
