Compressione della voce a 2.4 Kbit/s

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Posted in January 2nd, 2002

Published in Italian / Italiano, Papers/Documentation, Speech

Part of a Master’s Thesis on voice compression, in Italian.

http://www.cs.brandeis.edu/~gim/Papers/Cefriel.pdf

LSZip2 Data Compression Toolkit

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Posted in January 2nd, 2002

Published in Commercial Libraries, Zip

A Zip compatible library with a very impressive set of claims. Works with dozens of programming languages, offers full support for PKZip archives from 1.10 on, and more. Free evaluation version available.

Reader Carl P. says This is a must have tool.

http://www.lindersoftware.com/lspzip.htm

CiteSeer Compression References

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Posted in January 2nd, 2002

Published in Links, Papers/Documentation, Data Compression

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.

http://citeseer.nj.nec.com/Compression/

BraZip 4.0

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Posted in January 1st, 2002

Published in Commercial Programs, Portuguese, Archiving

Another archiver that supports the zip format? Yep, that’s what it is.Of course, BraZip does support TAR, RAR, GZ, LHA, and a host of other formats. Cruise around the web site a bit and you’ll find the same information in Portuguese.

http://www.soluszip.com.br/ingles/ingles.htm

mpeg2dec - a free MPEG-2 video stream decoder

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Posted in January 1st, 2002

Published in MPEG-2 Video / H.261, Non-Commercial Programs, Source Code

A GPL product, with the following description from the site:

mpeg2dec is an mpeg-1 and mpeg-2 video decoder. It is purposely kept simple : it does not include features like reading files from a DVD, output picture scaling, audio decoding, synchronisation, etc… The main purpose of mpeg2dec is to have a simple test bed for libmpeg2. […]

http://libmpeg2.sourceforge.net/

Multi-ZIP-licity v1.5

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Posted in January 1st, 2002

Published in Commercial Programs, Zip

A zip program that lets you unzip a whole batch of files all at once.

http://www.softuarium.com/multiziplicity.htm

A brief guide to wavelet sources

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Posted in January 1st, 2002

Published in Links, Wavelets

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.

http://www-ocean.tamu.edu/~baum/wavelets.html.gz

Motion-JPEG CODEC

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Posted in January 1st, 2002

Published in MJPEG, Commercial Programs

MainConcept makes a codec that encodes things in the Motion-JPEG format.

http://www.mainconcept.com/site/developer-products-6/motion-jpeg-sdk-4748/information-4809.html

PICTOOLS RAPIDVUE

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Posted in January 1st, 2002

Published in Commercial Libraries, JPEG

The Fastest JPEG engine available! Pegasus high speed JPEG engine offering the fastest JPEG compression and decompression available based on algorithmic optimization, assembly level enhancements, Pentium II and Pentium III optimization.

http://www.jpg.com/pictools_rapidvue.html

The Official FAQ for alt.binaries.sounds.mp3

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Posted in January 1st, 2002

Published in MP3/MPEG Audio, Tutorials, Reference, Presentations

Not exactly a compression topic, but close enough to make the cut.

http://www.faqs.org/faqs/music/mp3/newsgroups-faq/

Huffman Compression Engine

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Posted in January 1st, 2002

Published in Non-Commercial Libraries, Files, LHA, Archiving, zlib, Huffman Coding

This program is currently capable of reading and extracting files made with LHA and other utilities that generate .lzh files, from -lh4- to -lh7-. The foundation of the algorithm for this program like ARJ is based on Haruhiko Okumura’s work on ar002, which was the foundation of LHA. Unlike Haruhiko’s work however, the dictionary size […]

http://www.programfiles.com/index.asp?ID=6767

Yahoo UNIX Archiving Links

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Posted in January 1st, 2002

Published in Links, Archiving

Yahoo links to UNIX archiving software sources.

http://dir.yahoo.com/Computers_and_Internet/Software/Operating_Systems/UNIX/Utilities/Archiving_and_Compression/

Lossless Transform Coding of Audio Signals.

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Posted in January 1st, 2002

Published in Papers/Documentation, Audio

M. Purat, T. Liebchen, P. Noll: Lossless Transform Coding of Audio Signals. 102nd AES Convention, Munich, 1997. A PostScript file.

http://citeseer.nj.nec.com/323479.html

Hirosuke Yamamoto’s Papers

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Posted in January 1st, 2002

Published in Papers/Documentation, Coding, Burrows-Wheeler Transform/Block Sorting, Lossless Compression

This page has links to online versions of Hirosuke Yamamoto’s papers on data compression. Papers here on block sorting, coding, and more. The papers are all published in English.

http://hirosuke.sr3.t.u-tokyo.ac.jp/files/DC.html

Open G.729(A) Initiative

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Posted in January 1st, 2002

Published in Non-Commercial Libraries, Speech

VoiceAge, of Montreal, announces the “Open G.729(A) Initiative,” which allows developers to freely use their G.729(A) codec object code for non-commercial purposes. This initiative provides you with an opportunity to work with the G.729(A) codec for free while developing products or applications. Take advantage of voice compression to prove that VoIP works efficiently and […]

http://www.voiceage.com/