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szip homepage

Posted in October 31st, 2002

Szip is a freeware portable general purpose lossless compression program. It has a high speed and compression, but high memory demands (up to 20MB) too. The compression is done using a variant of blocksorting, which explains its rather high memory requirements.

Update: Michael Schindler has at long last posted the source code for szip.

http://www.compressconsult.com/szip/

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In-Place Calculation of Minimum-Redundancy Codes

Posted in October 31st, 2002

The abstract for a paper on calculation of Huffman codes. The paper isn’t here, but the source code is. Alistair says that if you sort your array of counts, you can create the Canonical Huffman tree in memory.

http://www.cs.mu.oz.au/~alistair/abstracts/mk95%3Awads.html

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Embedded BWT Compression

Posted in October 31st, 2002

An implementation of BWT designed with the goal of minimizing memory usage. Source code and a documentation page.

http://www.iahu.ca:8080/bwt.html

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Helix DNA Client

Posted in October 30th, 2002

Real is making their client software available in an Open Source program. Download this software and you can develop your own MP3 player! Free of royalties if you are distributing it for free - commercial products pay a royalty.

https://www.helixcommunity.org/2002/intro/client

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SuperZip

Posted in October 30th, 2002
Published in Commercial Programs, Zip

A full-featured release of a Win32 Zip program. Version 3.0 was released in October, 2002. Trial version available.

http://www.integsoft.com/sz.htm

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ArchiveXpert

Posted in October 30th, 2002

ArchiveExpert supports the standard Zip format, as well as CAB, LHA, LZH, plus extraction support for ARJ, ARC, PAK, RAR, as well as other formats. The 2.02 release shipped in August of 2002.

http://www.c4fsoft.com/products/archivexpert/

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Hacking Data Compression

Posted in October 30th, 2002

Andy McFadden was nice enough to post a series of a dozen lessons on Data Compression. It looks as though these were posts to the now-forgotten GEnie information service, once a pretender to the CompuServe popularity crown.

http://www.fadden.com/techmisc/hdc/

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Sax.net Streaming Compression

Posted in October 30th, 2002

Sax.net Streaming Compression helps you keep your data small and fast. Use high-performance compression and data compression code, using a class library that was designed from the ground up for integration with the Microsoft .NET framework.

In addition to being able to specify whether to prefer speed over size, Sax.net Compression offers you a choice of […]

http://www.sax.net/dotnet/compression/

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cwenc - MP3 & Ogg Vorbis Encoder for Cakewalk

Posted in October 30th, 2002

The cwenc utility is primarily a tool for musicians working with Cakewalk music production software, such as Home Studio and Sonar. cwenc enables you to export your original music to a compressed audio file format, such as MP3 or Ogg Vorbis, from within the mentioned Cakewalk products. cwenc is a direct replacement for the […]

http://cwenc.sourceforge.net/

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MP3elf - Network MP3 Player

Posted in October 30th, 2002

The MP3elf is a low-cost Ethernet connected MP3 player that receives a MP3 stream from a local area network server and delivers it to amplified speakers or a Hi-Fi system. You can have a single source of MP3 files in your home or office, and browse through playlists from any MP3elf. The Universal IR […]

http://mp3elf.net/

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Java and Windows Pdf Extraction Decoding Access Library

Posted in October 30th, 2002

A Java library released under the LGPL license for extracting text and images from pdf files, with full source code and examples. It also provides a rasterizer.

A commercial product called WinPedal is also available. WinPedal is an EXE that has grouping functionality that converts PDF text into XML.

http://www.jpedal.org/

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Feature Comparison of Popular Zip Compression Components

Posted in October 30th, 2002

There are many Zip compression components in the marketplace. This web page is a summary of the most popular Zip components available and provides a side-by-side comparison of the features and pricing of each. This review focuses on components used by Microsoft developers in Visual Basic, ASP, Visual C++, and Visual FoxPro applications.

http://componentreview.tripod.com/

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Trie-based dictionary program

Posted in October 30th, 2002

Falk Hueffner created a dictionary program that was to be used for a Scrabble-type word game. The source can be found at this link under the name dawg.tar.gz.

http://people.debian.org/~falk/

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Efficient Creation of Finite State Automota

Posted in October 30th, 2002

This paper describes a method which creates minimal acyclic deterministic FSAs. These can be used to create an efficient representation of a dictionary of words by merging identical subtrees.

http://www-zo.iinf.polsl.gliwice.pl/~sdeor/pub/cd00abs.htm

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MPEG-4 Industry Forum Resources Link

Posted in October 30th, 2002

Links to scads of papers, web sites, software, etc., all related to the MPEG-4 standard.

http://www.m4if.org/resources.php

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Jonathan Bennet’s C++ implementation of LZSS

Posted in October 30th, 2002

A C++ implementation of the LZSS / LZ77 algorithm. Also contains a description of the LZSS algorithm and my implementations of it as I learned more about it (hashing, lazy evaluation, etc.) All the code from my first attempt to the current version is included.

An anonymous visitor to Jonathan’s page said it was […]

http://www.hiddensoft.com/cgi-bin/countdown.pl?code/LZSS.zip

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FileStream, Inc

Posted in October 30th, 2002

FileStream makes quite a few compression-related programs, including TurboZip and TurboSFX. Release 5.,1 appears to have shipped sometime in the latter part of 2002.

http://www.turbozip.com

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Karl Malbrain - BWT Source

Posted in October 30th, 2002

Karl has created a complete BWT package, and has posted the source on this site. He also has an adaptation of N. Jesper Larsson’s
Burrows-Wheeler Suffix Sorting for your perusal.

http://www.geocities.com/malbrain

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Burrows-Wheeler Transformation

Posted in October 23rd, 2002

Helger Lipmaa created a BWT transformer in PHP, and can demo it to you right on the net at this page.

http://www.tcs.hut.fi/~helger/bwt/index.php

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WebWrap

Posted in October 21st, 2002

WebWrap is a small 3-in-1 utility program to compress and/or code your HTML web files. It uses either a modified LZSS algorithm or the URL encryption procedure, and can reduce the size of your files by more than 50%. It also renders the source of any HTML pages you have created, your design features and […]

http://www.tac-soft.com/WebWrap/webwrap.html

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TaskZip

Posted in October 12th, 2002

Freeware program written in VB5 that automates system backup, using Zip format.

http://jupiter.drw.net/matpie/PBSystems/products/taskzip/TZip.html

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Avi-Info

Posted in October 12th, 2002

This free tool can be used to extract information about an AVI file, including resolution, bit-rate, video codec, etc. Full source available for download.

http://isengrim.rotegruetze.net/index.php?main=4&id=1&german=

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R. Nigel Horspool — On-Line Publications

Posted in October 12th, 2002

The compression-related papers seem to concentrate on LZ and other lossless methods.

http://www.csr.uvic.ca/~nigelh/pubs.html

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Real Time Ac3 Encoder

Posted in October 12th, 2002

At the time of its addition to the database, this project appears to be in a very early alpha state. Looks as though volunteers are needed!

http://sourceforge.net/projects/ac3encode/

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Advanced HTMLCoder

Posted in October 12th, 2002

This product is designed to optimize, compress, and encrypt your HTML pages, which makes them load more quickly and protects them from casual copying.

http://www.raysion.com/htmlcoder/index.html

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GetCRC

Posted in October 12th, 2002

This instructive program creates a wide variety of 16 and 32 bit CRCs, many of which are commonly used in archiving programs. View the README in the same directory of the ftp server.

ftp://de.aminet.net/pub/aminet/dev/c/GetCRC.lha

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jp2IE - JPEG2000 ActiveX Control for Internet Explorer

Posted in October 12th, 2002

The jp2IE control is an extension of Microsoft’s Internet Explorer and allows the display of JPEG/JPEG2000 compressed files. It is based on the IJG implementation of the JPEG Standard Part 1/2 (ISO/IEC 10918-1/2) and the JASPER implementation of the JPEG2000 Standards Part 1 (ISO/IEC 15444-1).

http://www.jp2tools.de/English/

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PuZip

Posted in October 12th, 2002

A Zip compressor for the C64, and by extension, the C128, VIC20, C16, and Plus/4. If you have to ask what a C64 is, don’t bother!

http://www.cs.tut.fi/~albert/Dev/puzip/

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DMSDOS - Linux kernel driver

Posted in October 12th, 2002

DMSDOS is a loadable module for the Linux kernel. It provides read and write access to compressed FAT filesystems, such as Microsoft’s Doublespace/ Drivespace and Stac’s Stacker.

http://cmp.felk.cvut.cz/~pisa/dmsdos/

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jpg2html

Posted in October 12th, 2002

jpg2html converts JPEG images into HTML. A series of jpg2html procedures are being written to explore different means and different effects.

http://home.pacific.net.sg/~jnz/jpg2html/

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