This web site was founded as an independent non-commercial resource for industry participants to learn about the world of digital video technology. Besides some tutorial texts, it has a nice list of vendors, including links on vendors of hardware (IP cores, chips) and software video compression products.
Created: 14/05/2006
by Maxim SmirnovMore...
Codec Library is a links database supposed to cover all the codecs
developed. You will be able to view resources associated with a codec as well as download the codec you are looking for.
Created: 19/03/2006
by Maxim SmirnovMore...
WinPCWare has some links on file compression software and a number of entries for video/audio encoding, decoding, transcoding; for the latter see Multimedia section.
Created: 05/05/2006
by Maxim SmirnovMore...
A number of useful links on LOCO-I/JPEG-LS, CALIC, PNG, FELICS, other lossless image compression algorithms, and test images.
Created: 17/03/2006
by Maxim SmirnovMore...
There is a news feed and a useful list of links on lossless audio compression, processing and playback on this site.
Created: 11/02/2006
by Maxim SmirnovMore...
Advanced Audio Coding page at MPEG.ORG. This page contains information and resources related specifically to AAC. It is a really good starting point to know about AAC.
Created: 31/01/2006
by Maxim SmirnovMore...
This site reports the results of benchmarks to
compare the latest state-of-the-art command line compressors with only
one focus: ultimate size reduction. Has a nice list of compressors and their web pages. Also contains lossless audio compressors comparison.
Created: 25/04/2004
by Mark NelsonMore...
Portal site labels itself as a place with Resources for Engineers, Researchers, and Marketing People in the Streaming Media Field. The Knowledge Base has a good selection of links to standards, tutorials, code, etc. of interest to compression aficionados.
Created: 09/03/2001
by Mark NelsonMore...
This lab at CMU seems to be doing some interesting things with video compression. At a minimum, they have an H.263 decoder you can download.
Created: 24/09/2000
by Mark NelsonMore...
These folks offer some seminars on communcations (at Arisona State University). On their page, if you go to the links to free software, you will find Matlab code for CELP and LPC Vocoders (FS-1016 and lpc10e). This same page also has a wide variety of links for speech coding stuff.
Created: 31/12/1999
by Mark NelsonMore...
Links to software, organized into three categories: Tutorials, Freeware, and Payware. Organized by Chris Hillman.
Created: 12/10/2002
by Mark NelsonMore...
A site devoted to listing all known lossless audio compression algorithms and software. It is not maintained since 2003.
Created: 10/12/2000
by Mark NelsonMore...
A Practical Introduction To Data Compression by Alexander Ratushnyak. A Data Compression mini-FAQ with a good set of links.
Created: 21/09/2000
by Mark NelsonMore...
Home page for the Common Archivers Library project. This page is completely in Japanese, but an English version of the index is available at a single click. The goal of this project appears to be to provide standard library software that works with any and all archives. Good idea.
Created: 07/11/1999
by Mark NelsonMore...
GSM provides telephone quality speech at a compressed rate of 13 Kbps. Compare this to the 64 KBps required by standard u-law and A-law codes. This site gives lots of info about the GSM format, along with free source code.
Created: 21/11/1999
by Mark NelsonMore...
This site contains the comp.speech FAQ, and also has links to their ftp site, which contains software for speech codecs.
Created: 21/11/1999
by Mark NelsonMore...
A very comprehensive page of links from Yuval Fisher, who is right there in the middle of the whole fractal business. This page features a glut of links to papers, bibliographies, books, conferences, and software. You can't go wrong here.
Created: 21/12/2003
by Mark NelsonMore...
The PNG project home page. If you want source code, information, or links relating to the PNG compressed image format, this is the place.
Created: 14/11/1999
by Mark NelsonMore...
A German language set of data compression links. A pretty good page of links, it probably doesn't matter whether you speak German or not; the references mostly point to English language resources.
Created: 11/11/1999
by Mark NelsonMore...
An enormous page of data compression links, well organized by type. Although this page is hosted in Japan, nearly all of the links are described in English.
Created: 06/11/1999
by Mark NelsonMore...
An introductory paper. Includes information on Huffman coding, Info Theory, Coding, LZ77, LZ78, and more. This page also has a good set of links.
Created: 15/02/1999
by Mark NelsonMore...
A page which links to about 70 online papers & books on the topics of enumerative (combinatorial) coding, arithmetic coding, universal codes. Truly a gem.
There are here some hard to find papers, Ph.D. theses (#23,#36,#42), books (#3 Abramson 1963 classic on Inf. Theory and coding, #37, #38 combinatorics textbook). Among the online papers: #27 from Rissanen (who invented arithmetic coding in 1976) on math of arithmetic coding (dual radix representation). Also interesting and hard to find #28,#33, #11 (Schalkwijk on lattice walks on Pascal triangle for enum. coding), #61-#62 on potentially fast combinatorial codes, #60 fast unranking … etc.
Created: 25/06/2005
by Sachin GargMore...
c10n.info aims at providing its readers a comprehensive coverage of any new happening related to data compression. This news blog is started by Sachin Garg with lots of help from Mark Nelson.
Created: 21/06/2005
by Maxim SmirnovMore...
This site is dedicated to the MP3 standard. You will find here information about the MP3 standard and upcoming audio compression techniques, tests, MPEG source code.
Created: 05/11/1999
by Mark NelsonMore...
Jasper is a C-language implementation of the JPEG-2000 Part-1 standard. Michael Adams seems to run the show, with help from Image Power and a small team. This page gives you access to the software, documentation, and a nice set of links. Jasper is distributed under a free license.
Version 1.701.0 is shipping as of February, 2004.
Created: 14/02/2004
by Mark NelsonMore...
The Waterloo Fractal Compression Project is part of a general research programme dedicated to the study of fractal analysis and Iterated Function Systems/Fractal Transforms from both theoretical as well as practical perspectives.
Created: 14/11/1999
by Mark NelsonMore...
A big batch of pointers to various MPEG documents. Includes press releases and docs on MPEG-2, MPEG-4, MPEG-7, and AAC.
Created: 14/11/1999
by Mark NelsonMore...
This site has more than 1 ths papers on English and Russian, dozens of sources and PDF files that comprise much of a book on compression.
Reader Dan L. says The best site about comression!
Created: 15/09/2002
by Mark NelsonMore...
Home page for the members of the JBIG committee, as well as a place for links and information about the Bi-Level Image coding standard.
Created: 15/05/2004
by Mark NelsonMore...
Hello, and be welcome to ReallyRareWares, a site for researchers (or nostalgic people like me) that miss the old days of multimedia encoding. Here you'll find reviews and history of old software (encoders and decoders), deceased codecs (VQF, ePAC), oddities (AUPECg2, Astrid AAC), and so on, as well as downloads.
The folks at BitJazz maintain a nice list of links to data compression directories. That makes this page sort of a meta-directory.
Created: 03/12/2003
by Mark NelsonMore...
This site is dedicated to discussion and explanation of HTTP compression with the Apache web server. Looks to me like the first place to go for information.
Created: 29/06/2003
by Mark NelsonMore...
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.
Created: 04/05/2003
by Mark NelsonMore...
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.
Created: 01/05/2003
by Mark NelsonMore...
I am a graduate student (doktorand) in algorithms and data structures at the Department of Computer Science at Lund University. Special interests are text searching and data compression.
I use the links on this page to papers, but don't index the page itself
Created: 26/04/2003
by Mark NelsonMore...
Links to code and tools to create random numbers. Quite useful, and includes some intriguing use of sound cards to provide true (instead of psuedo-random) numbers. Registration required.
Created: 23/04/2003
by Mark NelsonMore...
QuickTime 6 was an early adopter of MPEG-4 technology, and they seem to be big believers in the standard. This is in contrast to Microsoft's Windows Media 9, which uses proprietary codecs to compete with the open standards of MPEG-4. The MPEG-4 standard uses AAC for encoding audio, and Apple has a site
with a few links and information about this audio encoder.
Created: 23/04/2003
by Mark NelsonMore...
Marco Schmidt has assembled a nice page of links and information on the Zip archive format. A few good links, but this isn't the comprehensive guide you need to answer any question about the format.
Created: 17/04/2003
by Mark NelsonMore...
This FAQ provides good information about various audio file formats, which naturally includes quite a few compressed formats. It also has a few links to other relevant pages.
Created: 14/04/2003
by Mark NelsonMore...
The JPEG 2000 committee uses this as the main source of links to the JPEG 2000-related pages on their site. It also includes a friendly plug for a book by committee members, with a "Buy Me" link to Amazon.com.
Created: 31/03/2003
by Mark NelsonMore...
A comprehensive set of compression pointers. Unfortunately, Michael is using some sort of software that makes bookmarking into his index impossible. So instead, you must link to the main page, shown here, and locate the links to "Data Compression". Under that he has links to General Resources, Software, and Theory.
Created: 23/03/2003
by Mark NelsonMore...
The American Mathematical Society runs a monthly column called 'What's New In Math," featuring topics of general interest to their readers. In October 2002, the topic was data compression, which led to a fairly lengthy column with many, many references. Good reading!
Created: 23/03/2003
by Mark NelsonMore...
Context Tree Weighting (CTW) has been a technique with great promise, but it hasn't ever been able to reach the critical mass needed to become more than a curiousity. Jurgen Abel is doing his best to overcome that problem. He's created a nice reference page for CTW on his data-compression.info web site. He has references to a few papers, a few people, and one piece of source code.
Created: 21/03/2003
by Mark NelsonMore...
The NIST page on arithmetic coding from their Dictionary of Algorithms and Data Structures. A terse definition and a couple of links.
Created: 21/03/2003
by Mark NelsonMore...
Jurgen Abel has done an enormous amount of research on the Burrows-Wheeler Transform, and has published the results on his web site. On this page you will find:
A summary of this compression technique.
Links to over 70 online papers.
Links to at least that many people involved in BWT research or development.
Extensive links to BWT source code.
This web page may now be the definitive source of information for this field.
Created: 18/03/2003
by Mark NelsonMore...
The National Insitute of Standards and Techology reference page on LZW compression. Pointers to an explanation, implementation, and more information.
Created: 17/03/2003
by Mark NelsonMore...
Filip is interested in wavelets and image restoration. In addition to a nice page of links (navigate from the main page) he has some software, publications, test results, and more.
Created: 17/03/2003
by Mark NelsonMore...
Jocsoft makes some software products used for searching the web, and one of those is designed to search for MP3 files. As a result, they decided to include a nice page of MP3 links for developers on their web page. It's a little dated, with a high ratio of dead links, but still worth a look if you're an MP3 afficionado.
Created: 16/03/2003
by Mark NelsonMore...
John Robinson's page on BTPC, which includes documentation, samples, links, and source. BTPC is designed to do both lossy and lossless compression of images.
John updated this package to version 5 in March, 2003.
Created: 13/03/2003
by Mark NelsonMore...
The author created this site to make LZOP readily available. The page has links to download binaries, plus links to other LZO and LZOP sites.
Created: 26/02/2003
by Mark NelsonMore...
A recent post to comp.compression had a pointer to this page, identifying it as a source of H.263 software. Sure enough, if you scroll down to the bottom of the page you'll find links to an H.263 decoder, plus a Windows H.263 player. Not to mention some Wavelet code from JP, and a few other interesting links.
Created: 25/02/2003
by Mark NelsonMore...
A nice set of links to AudioCoding information. Since this is a Wiki site, it is highly collaborative - registered users can provide updates and modifications to the site at will. (I think.)
Created: 13/12/2002
by Mark NelsonMore...
A series of links to various pieces of the Joint Video Team effort, including links to the working drafts of the H.264 standard.
Created: 17/11/2002
by Mark NelsonMore...
This page contains information and links which are small a sampling of compression research that has been performed using the Lena image.
Created: 29/09/2002
by Mark NelsonMore...
A bibliography containing links to numerous papers on video coding, with links to authors as well. This is a chapter from the massive Annotated Computer Vision Bibliography.
Created: 29/09/2002
by Mark NelsonMore...
David Clunie is the chair of the DICOM standards committee, and has a wealth of links on this page to information related to medical imaging.
Created: 28/09/2002
by Mark NelsonMore...
Ian Kaplan's Wavelet and Signal Processing page has lots of articles and C++/Java source code implementing wavelet transform via the lifting scheme, the integer-to-integer wavelet transform and the best basis wavelet packet transform
Created: 03/09/2002
by Mark NelsonMore...
This page gives a short introduction to the DICOM standard, commonly used for medical imaging. It has a lengthy set of links to DICOM viewers, images, and other resources.
Created: 18/08/2002
by Mark NelsonMore...
The About.com guide to Delphi Programming has a section on Data Compression and Backup software that looks pretty useful. About.com is a search engine and link site that features pages edited and maintained by real live humans.
Created: 20/07/2002
by Mark NelsonMore...
What appears to be a comprehensive FAQ on PPM programming. Russian language, and fairly slow loading, but no reason not to try Google or BabelFish for a translation.
Created: 06/06/2002
by Mark NelsonMore...
A good resource for anyone using compression or writing compression code for the Amiga platform. Includes tutorial and background information as well as links to code.
Created: 06/06/2002
by Mark NelsonMore...
This site has a nice collection of codecs, including DirectShow filters, MPG4, MJPEG, and other video codecs. A few audio codecs and AVI test sequences as well.
Created: 02/06/2002
by Mark NelsonMore...
A tutorial page discussing the various image formats currently in use on the web. Nice comparisons and a good set of links.
Created: 17/04/2002
by Mark NelsonMore...
A directory of links and resources on compressing the 3D models used for computer graphics and other large geometric datasets. This is a replacement for the site at http://www.cc.gatech.edu/~kingd/3Dcompression.html.
Created: 11/04/2002
by Mark NelsonMore...
This web site keeps links to free libraries and source code. If you like this, you might want to browse around in some of their other areas as well.
DataCompression.info user Andrew S. was not too impressed with this site: I tried one half of their links and they were all dead or directed to content not related to the topic.
Created: 07/04/2002
by Mark NelsonMore...
Guido Vollbeding has posted a number of items related to the IGJ code. Includes ways to crop, rotate, and merge JPEG files.
Created: 03/04/2002
by Mark NelsonMore...
A really nice set of links to people and resources related to pattern matching. This is a great general purpose page of links, but only lightly grazes the data compression world.
Created: 04/03/2002
by Mark NelsonMore...
MP3' Tech calls this "the biggest MPEG audio source codes area avaible on the Internet." Find source for MPEG-1/2/2.5 Layer 1/2/3, MPEG-2 AAC and MPEG-4, as well as UI code.
Reader Robert S. said It seems very hard to find a description of the Layer 3 bitstream format. Fimally found it here.
Created: 12/01/2002
by Mark NelsonMore...
This site contains a collection of comments, impressions, comparisons, experiments and ideas regarding the PNG (Portable Network Graphics) file format, and related technologies: zlib (Data Compression Library), and MNG (Multiple-image Network Graphics). It is focused especially on the compression algorithms used in PNG.
Created: 08/01/2002
by Mark NelsonMore...
CiteSeer tracks references between academic papers, and has links to online versions of a great many papers. The compression links at the top level look like they are a bit sloppy, but there are subcategories for Audio, Text, and Video, which look as though they may be better. Anyway, one can find useful papers using cross-linking and external searching.
Created: 02/01/2002
by Mark NelsonMore...
S. Baum at Texas A&M keeps up a pretty good looking page of links to wavelet resources, categorized by type. Note that this page has apparently been zipped up to save space. The full content is inside the gz file.
Created: 01/01/2002
by Mark NelsonMore...
A set of data compression links maintained by Haruhiko Okumura. Many of the links here point to Japanese language sites. Even if you cannot read Japanese, you may still profit from the profusion of links on this page. Just be sure your browser is set to render Shift-JIS.
Created: 24/12/2001
by Mark NelsonMore...
A technical report giving an overview of various video streaming formats used in today's Internt. Includes low-level details such as transport formats, and high-level info such as providers of application servers.
Created: 24/12/2001
by Mark NelsonMore...
Lots of pointers here. Relevant to compression because of the wealth of pointers to various formats used in medical imaging, such as JPEG-LS and Lossless JPEG.
Created: 15/12/2001
by Mark NelsonMore...
A set of links from Softpanorama, the Open Source Software Educational Society. A lot of information on the entire site. The compression links are not as complete, but some interesting stuff here.
Created: 07/12/2001
by Mark NelsonMore...
A giant bibliography with pointer to on-line papers, as well as some basic information on the state of the art. Not for the timid or the beginner.
Created: 27/08/2001
by Mark NelsonMore...
Mathtools.net describes itself as the technical computing portal for all your scientific and computing needs. Perhaps a bit ambitious! Here's their page links to compression applications.
Created: 09/03/2001
by Mark NelsonMore...
Guy has a set of slides here that must illustrate a comprehensive set of links about data compression. Includes a link to a PS file containing a sample chapter on algorithms that Guy is writing.
Created: 23/10/2000
by Mark NelsonMore...
Michael Schindler's page describing a sorting algorithm that was presented in a poster session at DCC '97. Links to his source code, plus links to the paper and poster in postscript format. Update: Michael has made additional source code available.
Created: 28/09/2000
by Mark NelsonMore...
A page devoted to image compression research at the University of Joensuu, which would appear to be in Finland. Links to more research and a PhD thesis.
Created: 24/09/2000
by Mark NelsonMore...
An assortment of links on a wide variety of compression related topics. Includes a rating system indicating the value of the links.
Created: 20/08/2000
by Mark NelsonMore...
This site promises to deliver links and copes of every archiver know to man, along with news, polls, and more. The usual disclaimer apologizes for not being quite there due to a recent change in management.
Created: 20/08/2000
by Mark NelsonMore...
This portal site has a page dedicated to compression, plus a number of sub-pages with pointers to companies, researchers, and a few other odds and ends.
Created: 20/08/2000
by Mark NelsonMore...
The title says A website devoted to the principles and practices of data compression. Can't ask for anything better than that. Appears to be run by Nam Phamdo from SUNY Stony Brook. Links to papers, explanations, and software.
User comment:Gives technical explanations and animated examples of a small number of compression methods. The explanations are good, but the amount of coverage of the field overall is small.
Created: 29/07/2000
by Mark NelsonMore...
A nice overview of the field by Nam Phamdo, slanted a bit towards the academic view but at a very accessible level. Links to important and influential papers.
Created: 29/07/2000
by Mark NelsonMore...
An overview of the topic by Nam Phamdo, with some basic definitions, plus a look at Huffman coding and LZ78/LZW coding.
Created: 29/07/2000
by Mark NelsonMore...
A short description of VQ by Nam Phamdo. Contains an animation which provides a nice picture of what actually happens in VQ.
Created: 29/07/2000
by Mark NelsonMore...
This bibliography was compiled from a number of sources, including the extensive bibliographies (in postscript form) by John Kominek and by Dietmar Saupe and Raouf Hamzaoui.
Created: 09/06/2000
by Mark NelsonMore...
This page has a good set of pointers to LHA programs and source code, including variants such as AR002, lz_comp2, and Lharc.
Created: 03/06/2000
by Mark NelsonMore...
Vladimir has pointers to a batch of his papers here, which seem to concentrate on image compression, including VQ and Wavelet based compression. Plus many links to image compression, fractal, and wavelet pages.
Created: 03/06/2000
by Mark NelsonMore...
A really great resource for those seeking MPEG information. Pointers to lots of fundamental information, FAQs, and answers to many questions.
Created: 23/01/2000
by Mark NelsonMore...
CREW is a compression algorithm developed by RICOH that has been offered up to the JPEG working group as a potential standard. This page contains a description of the algorithms, along with samples and related documents.
Created: 01/01/2000
by Mark NelsonMore...
Includes editing software, file formats and converters, codecs, and links. This page is at the University of Hannover, Germany. While there appears to be a wealth of software on this site, it would appear that you need special privileges to get access to ti.
Created: 26/11/1999
by Mark NelsonMore...
The University of Bath has a group that is advertised as "world leaders in still image and video coding." They appear to be interested in lossy compression based on DCT, Wavelets, and Fractal compression. This is their home page.
Created: 23/11/1999
by Mark NelsonMore...
Links to lots of info regarding the audio compression portions of the MPEG standards. This includes an overview, the MPEG Audio FAQ, pointers to resources, some free software, and test bitstreams.
Created: 19/11/1999
by Mark NelsonMore...
What's going on with PNG? Inquiring minds want to know! Note that this page includes links to the history pages for previous years, currently 1995-1998
Created: 14/11/1999
by Mark NelsonMore...
This page has references to a huge number of Wavelet-related research papers. I don't know how many of them are online, but it is quite a treasure trove for the curious.
Created: 11/11/1999
by Mark NelsonMore...
Cognition as Compression, by Gerry Wolff, discussion of the author's research.
From as long ago as the last century it has been recognised that information processing in brains and nervous systems (perception, learning, thinking, neuro-muscular control etc) may be governed by principles of economy or compression.
Created: 07/11/1999
by Mark NelsonMore...
A set of links that includes a few data compression sites. This page is from Instituto Superior de Engenharia de Lisboa (a Lisbon Polytechnic school), Portugal, and is in Portuguese. This page contains a link to the Data Compression Group object oriented framework for teaching C++. (Indexed here as The DCG Framework.
Created: 07/11/1999
by Mark NelsonMore...
Home page for John C. Kieffer, Dept. of EE, University of Minnesota. Includes course descriptions for classes on data compression and information theory. The course descriptions have links to some papers.
Created: 07/11/1999
by Mark NelsonMore...
Gerry Wolf's home page, including links to "Language Learning as Compression", "Computing as Compression", and "Cognition as Compression"
Created: 06/11/1999
by Mark NelsonMore...
Links to companies engaging in commerce related to data compression. A moderate-sized set of links. At last check, in addition to direct listings, contains subtress for Commercial Products, Fractal Compression, and a couple of others.
Created: 05/11/1999
by Mark NelsonMore...
Mitsuharu Arimura's page of links and references to a wide variety of papers and books on lossless compression. Some of the links are listed in English, others in Japanese.
Created: 21/09/1999
by Mark NelsonMore...
Links from the Yale Computational Mathematics Group. Contains links to software and papers. Most of the links don't show up in this database as they are not necessarily related to using wavelets for data compression.The papers that appear off this page are all compressed postscript and have not been added to the database.
Created: 18/02/1999
by Mark NelsonMore...
A page of links for the authors of "Introduction to Information Theory and Data Compression," and contains pointers to materials related to data compression.
Created: 01/01/1970
by Mark NelsonMore...
