Data-Compression.org

data compression link collection

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DWC File Format

An explanation of the archaic DWC file format.

http://DataCompression.info/ArchiveFormats/dwc.txt

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Posted in February 14th, 2000

RAR 2.00 File Format

Published in Standards, Archiving

Wotsit’s explanation of the RAR 2.00 file format

http://DataCompression.info/ArchiveFormats/rar_2.txt

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Posted in February 14th, 2000

ARC File Format Specification

Published in Standards, Archiving

A description of the ARC file format

http://DataCompression.info/ArchiveFormats/arc.txt

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Posted in February 14th, 2000

GZIP File Format

Published in Standards, Gzip

Peter Deutsch’s description of the GZIP file format.

http://DataCompression.info/ArchiveFormats/gzip.txt

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Posted in February 14th, 2000

HA File Format

Published in Standards, Archiving

A description of the HA file format.

http://DataCompression.info/ArchiveFormats/ha.txt

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Posted in February 14th, 2000

JAR File Format

Published in Standards, ARJ

Wotsit’s description of the JAR file format. Robert Jung’s JAR format, not the JAR format used to distribute Java classes.

http://DataCompression.info/ArchiveFormats/jar.txt

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Posted in February 14th, 2000

RAR File Format

Published in Standards, Archiving

A description of the RAR 2.02 file format. Short description without any source code.

http://DataCompression.info/ArchiveFormats/RAR202.txt

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Posted in February 14th, 2000

SQZ File Format

Published in Standards, Archiving

Documentation on the ancient SQZ file format.

http://DataCompression.info/ArchiveFormats/sqz.txt

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Posted in February 14th, 2000

TAR File Format

Published in Standards, Archiving

Wotsit’s explanation of the TAR file format.

http://DataCompression.info/ArchiveFormats/tar.txt

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Posted in February 14th, 2000

Zip File Format

Published in Standards, Zip

Wotsit’s explanation of the PKWare zip file format. This appears to be the same documentation that shows up in the PKWare appnote document.

http://DataCompression.info/ArchiveFormats/zip.txt

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Posted in February 14th, 2000

Free MPEG Software!

Lots of links to free software from the MPEG Simulation Group.

http://www.mpeg.org/MPEG/MSSG/

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Posted in February 13th, 2000

MPEG-2 Video Decoder

An MPEG-2 Video Decoder from the MPEG Software Simulation Group at Berkeley.

ftp://mm-ftp.cs.berkeley.edu/pub/mpeg2/software/

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Posted in February 13th, 2000

Netzip 7.5

Published in Commercial Programs, Zip

The family of Netzip archiving programs seem to have a good set of features and have received good reviews when compared to WinZip and PKZip for Windows. NetZip 7.5 adds some flashy new features, including skins!

http://www.netzip.com/products/Info_Netzip_Win.html

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Posted in February 11th, 2000

NuLib Home Page

NuLib is a program for the Apple II which manipulates NuFx archives. The page is also the distribution site for NuLib2, and improved version of the program, and NufxLib, a programming library.

http://www.nulib.com/

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Posted in February 11th, 2000

KeyCHW: A Compression Utility for MSDN

A console mode program that compresses CHW files. This is the type of file used in some help files distributed for Windows applications.

http://www.codeproject.com/tips/KeyCHW.asp

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Posted in February 9th, 2000

Lurawave SmartCompress

This is a freeware image compressor that does wavelet based compression. Lurawave appears to have all their products and documentation available in German language as well as English. In order to establish their products they are making much of it available as freeware.

http://www.algovisionluratech.com/products/lurawave/smart_compress/index.jsp?OnlineShopId=
592271037471970327

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Posted in February 7th, 2000

JPEG 2000 - The Committee Draft Specification

Published in Standards, JPEG-2000

The committee draft of the JPEG2000 specification. This is not the final specification, but it should be very close.

Note: the Zip file disappeared sometime in July 2002, this link has been updated to point to a PDF version of the draft.

http://www.jpeg.org/public/fcd15444-1.pdf

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Posted in February 7th, 2000

Zip IT 1.0

Published in Commercial Programs, Zip

This product is apparently some sort of archiver, but no information is to be found on this page!

http://magnusd.homepage.dk/zipit/zipitpro.html

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Posted in January 27th, 2000

MPEG Starting Points and FAQs

Published in Links, Video

A really great resource for those seeking MPEG information. Pointers to lots of fundamental information, FAQs, and answers to many questions.

http://www.mpeg.org/MPEG/starting-points.html

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Posted in January 23rd, 2000

Sipro Lab Telecom

These folks make several different G.729 and G.723.1 codecs,

http://www.sipro.com/

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Posted in January 23rd, 2000

VoiceAge Corporation

Our technology served as the foundation for numerous voice compression products used by voice portal and large multinationals in their efforts to better meet the quality requirements that end users. As example voice email, voice chatting, voice annotation in web site. Our technology is already integrated into software by companies such as Microsoft with […]

http://www.voiceage.com

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Posted in January 23rd, 2000

Papers of Christos Chrysafis

Christos Chrysafis has quite a few papers on wavelets available here.

http://sipi.usc.edu/~ortega/Students/chrysafi/

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Posted in January 23rd, 2000

Rate Scalable Color Image Compression

Edward J. Delp describes his wavelet-based coding system for color images using a luminance/chromanance color space.

http://dynamo.ecn.purdue.edu/~ace/color-wavelet/cwavelet.html

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Posted in January 23rd, 2000

A Rate Scalable Video Codec

Edward J. Delp and pals have created a rate-scalable video codec that uses a wavelet based codec with motion compensation.

http://dynamo.ecn.purdue.edu/~ace/wavelet/wavelet2.html

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Posted in January 23rd, 2000

Parallel Video Compression

Edward J. Delp et.al. have tackled the problem of perfomring video compression using parallel processing techniques.

http://dynamo.ecn.purdue.edu/~ace/compression/compression.html

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Posted in January 23rd, 2000

Papers of Edward J. Delp

Edward J. Delp has a big batch of papers on line. This includes a big batch that deal with Image and Video compression.

http://dynamo.ecn.purdue.edu/~ace/delp-pub.html

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Posted in January 23rd, 2000

QccPack — Quantization, Compression, and Coding Library

James E. Fowler at Mississippi State University has created this library, which is an open source collection of routines that are useful for people interested in data compression research. The distribution includes QccSPIHT.

Version 0.45 is available as of December, 2003.

http://qccpack.sourceforge.net/

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Posted in January 23rd, 2000

Papers of Antonio Ortega

Antonio Ortega at USC has quite a few compression related papers on line. They include papers on wavelets and quantization.

http://sipi.usc.edu/~ortega/Papers.html

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Posted in January 23rd, 2000

Wavelets: Software and Applications

A PhD thesis by Geert Uytterhoeven.

http://www.cs.kuleuven.ac.be/~geert/PhD/

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Posted in January 23rd, 2000

Avideh Zakhor’s Home Page

Avideh Zakhor has links to many of her papers on image compression.

http://www-video.eecs.berkeley.edu/~avz/

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Posted in January 23rd, 2000