Archives
ExtractorPC 1.00
ExtractorPC is a free utility for expanding the files in archives created by Compact Pro(tm).
ftp://garbo.uwasa.fi/pc/arcers/ext-pc.zipPAK The File Compression Utility Version 2.51
PAK is a utility to create and maintain file archives in compressed form. There are several advantages to compressing files. On a hard disk, most files are accessed infrequently. Reducing the size of these files allows more of them to remain on the hard disk, where they are more accessible than on a […]
ftp://garbo.uwasa.fi/pc/arcers/pak251.exeread more from " PAK The File Compression Utility Version 2.51 "
Zip 16 and 32 bit Executables, including encryption, alternate site
An alternate site for Zip 2.0
ftp://garbo.uwasa.fi/pc/arcers/zcryp20x.zipread more from " Zip 16 and 32 bit Executables, including encryption, alternate site "
comp.dcom.fax FAX FAQ
This article contains the answers to some Frequently Asked Questions (FAQ) often seen in the USENET newsgroup comp.dcom.fax relating to facsimile standards, software, and hardware. Most importantly, contains an explanation of FAX encoding.
ftp://rtfm.mit.edu:/pub/usenet/news.answers/fax-faq/Audio File Programs and Routines
The AFsp package contains audio file utility programs and a library of routines for reading and writing audio files. This ftp site contains three different releases of the software. Includes programs to compare, copy, filter, an analyze audio files. Also has resampling, LPC, and noise generation programs. Executables for Windows and Sun, with a wide […]
ftp://ftp.tsp.ee.mcgill.ca/pub/AFsp/Garbo repository for PC archiving programs
This FTP site has copies of a wide variety of archiving programs. Includes current programs such as PKZip, ARJ, and RAR, as well as historically relevant programs such as PAK and ARC. Look at 00index.txt for a directory of what’s on hand.
ftp://garbo.uwasa.fi/pc/arcers/read more from " Garbo repository for PC archiving programs "
Lynn Lantz
“I do believe that my product is superior to all other compression algorithms to date. It is lossless, works on any file type on any platform, is recursive (ie, the compressed file can be compressed again, and then again, and so on) so that ANY size file can be compressed to 16 bytes or […]
http://groups.google.com/groups?oi=djq&selm=an_424633290May97 Benchmark
A comparison of JAR, RAR, and PKZIP. Lacks rigor.
http://www.davesite.com/computers/compress5.shtmlPPM R — implementation by Rogerio Brito
This PPM implementation has a complete batch of source code but no external documentation. I believe that all of the code is documented internally in Portugese. Corrections to this theory are welcome.
ftp://ftp.ime.usp.br/pub/mris/ppm.zipCode Design via Selection of a Statistical Model
by John C. Kieffer (Information Theory Research Group, Electrical Engineering, University of Minnesota). A survey of techniques for designing codes with minimal redundancy. A Postscript copy of an academic paper.
ftp://oz.ee.umn.edu/users/kieffer/papers/bernoulli.psread more from " Code Design via Selection of a Statistical Model "
Huffman Coding of ACIS Pixel Data
ACIS, the AXAF CCD Imaging Spectrometer, is an instrument being built by a team from the Massachusetts Institute of Technology’s Center for Space Research and the Pennsylvania State University for the Chandra X-ray Observatory (formerly, AXAF), scheduled for launch in 1999.
This is a good paper discussing practical implementation of data compression in a real world […]
