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SuperCool ZIP Backup

Posted in May 8th, 2003

SuperCool Zip Backup software is a data backup,restore and file synchronization program. You can use any drive in your system to store the backup files in standard Zip format that can be transferred to remote machine by FTP or Email. It can also compare and synchronize files or folders.

Version 1.61 is shipping as of May, […]

http://www.supercoolbookmark.com/zipbackup/index.html

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SFastPacker

Posted in May 6th, 2003

This is the Assembler code used to compress or decompress some data by modified RLE algorithm. The ZIP file contains ASM/OBJ files + a PAS unit which represents packing functions in easy to use manner (can compress files, streams etc) and can be used in Delphi applications.

http://www.utilmind.com/delphi/sfpack32.zip

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getID3()

Posted in May 5th, 2003

This PHP script reads ID3 tags from MP3 files, as well as tons of other tag types from various other audio and other media files.

http://getid3.sourceforge.net/

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Compress Your PHP4 Pages

Posted in May 5th, 2003

Gzip encoding is a great way to serve up your web pages, because all modern browsers can render this format. If you’re creating pages with PHP4, it turns out to be really easy to compress your pages this way and get a bit of speedup.

http://www.desilva.biz/php/zlib.html?s=f673e090fe49618fa07ba2e8fc95d971

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VQ Code

Posted in May 4th, 2003

This page has source code for a couple of different VQ compression programs from the University of Washington’s EE Data Compression Labs.

http://www.ee.washington.edu/research/dcl/code/

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libmng

Posted in May 4th, 2003

The MNG file format exists to provide a way to create animated graphics based on the PNG format. Programs that want an easy way to display and manipulate mng format files can use libmng, which is found here.

Version 1.0.5 of libmng is shipping as of March, 2003. TNGImage 1.2 (the Delphi Wrapper for libmng) shipped […]

http://libmng.sourceforge.net/

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University of Washington Data Compression Laboratory

Posted in May 4th, 2003

Current research projects in our lab include research into vector quantization (VQ), wavelets, image compression, edge detection using VQ, VQ for image browsing, VQ design for noisy channels, halftoning, and color palette management.

http://www.ee.washington.edu/research/dcl/

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Self-similar Huffman Trees with Extreme Guessing Propertie

Posted in May 4th, 2003

An article by John Pliam. Needs a better summary, but I don’t quite get it, other than the fact that there is some cryptographic thinking going on here.

http://www.ima.umn.edu/~pliam/doc/huff/

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The Standard Function Library: Compression Functions

Posted in May 4th, 2003

The guys at iMatix had the idea that they could write a super-library of C functions that woud be so useful it would rule the world. As far as I can tell, it didn’t catch on. However, there are a few compression functions here that some folks might find interesting.

http://www.imatix.com/html/sfl/sfl17.htm#TOC30

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OggMux

Posted in May 4th, 2003

This open source project is an attempt to create a replacement for GraphEdit, a tool Microsoft provides in the DDK.

http://oggmux.sourceforge.net/

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Windows Media® ASF Viewer 9 Series

Posted in May 4th, 2003

Microsoft supplies this free tool as a way for developers to check their files for validity before shipping. Looks like it knows how to inspect ASF, WMA, and WMV files.

http://www.microsoft.com/windows/windowsmedia/format/ASFViewer.aspx

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VBRFix

Posted in May 4th, 2003

Will Pye has a program that cleans up some of the problems associated with VBR encoding in MP3 files.

http://www.willwap.co.uk/Programs/vbrfix.html

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Data Compression Bibliography

Posted in May 4th, 2003

The University of Washington has a nice bibliography here, with pointers to books on Data Compression, VQ, Wavelets, and Information Theory.

http://www.ee.washington.edu/research/dcl/biblio.html

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LZOP

Posted in May 4th, 2003

The home page for lzop - a file compressor that is built on the LZO compression library. lzop is free under the GPL.

Version 1.01 of LZOP shipped in April of 2003.

http://www.oberhumer.com/opensource/lzop/

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CuteZIP 2.0

Posted in May 1st, 2003

Those cute people at globalscape now have a cute zip program. It’s interesting because it not only handles Zip files, but also CAB files.

Version 2.1 shipped in April, 2003, andding strong encryption and command line functionality.

http://www.cutehtml.com/cutezip/

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TIS Turbo Virtual Broadband

Posted in May 1st, 2003

This system uses data compression and other optimization techniques to speed up your dialup Internet connection. This sytem works with any ISP or provider.

http://tiscomputers.com/turbo.htm

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Comp.dsp FAQ: Wavelets

Posted in May 1st, 2003

A section from the comp.dsp that talks about wavelets.

http://www.bdti.com/faq/2.htm#29

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Source Coding Matlab Toolbox

Posted in May 1st, 2003

John Kieffer from the University of Minnesota has posted a nice library of Matlab code to be used for data compression.

http://www.ee.umn.edu/users/kieffer/programs.html

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EE 5585: Data Compression

Posted in May 1st, 2003

A collection of class notes and links for a University of Minnesota course on Data Compression.

http://www.ece.umn.edu/users/kieffer/5585copiedfiles

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Benchmark Images and Files

Posted in May 1st, 2003
Published in Files, Links, Benchmarks

David Cary is a major link farmer. One of the sections of his massive Data Compression page has links to various images and files that are used in various benchmarks.

http://agora.rdrop.com/~cary/html/data_compression.html#benchmark

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