The Data Compression News Blog

Your daily update on the most recent compression techniques, algorithms, patents, products, tools and events.

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  • Bijective BWT (2 Comments)

    David Scott has written a bijective BWT transform, which brings all the advantages of bijectiveness to BWT based compressors. Among other things, making BWT more suitable for compression-before-encryption and also give (slightly) better compression.

  • Asymmetric Binary System (107 Comments)

    Jarek Duda’s “Asymmetric Binary System” promises to be an alternate to arithmetic coding, having all the advantages, but being much simpler. Matt has coded a PAQ based compressor using ABS for back-end encoding. Update: Andrew Polar has written an alternate implementation of ABS.

  • Precomp: More Compression for your Compressed Files

    So many of today’s files are already compressed (using old, outdated algorithms) that newer algorithms don’t even get a chance to touch them. Christian Schneider’s Precomp comes to rescue by undoing the harm.

  • On2 Technologies is Hiring

    There aren’t too many companies working on cutting edge codecs, and of those few this one is hiring. Best of luck.

  • China’s AVS Specifications Available (2 Comments)

    Its old news that China has developed their own Advanced Video Standard to avoid high licensing fees. English translation of the standard is now available, along with the IPR policy. Finally something technical that you can get your hands on to feed your appetite.

Archive for December, 2005

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6 Months of Compression News

31st December 2005

Started almost 6 months ago, we have seen a lots of major events happening in data compression community. c10n.info has a come a long way in this period and the next year will definitely be a lot more exciting than the last one.

Read More | Posted by Sachin Garg | Add Comment »

Doom9 Video Codec Shoot-Out 2005

30th December 2005

Doom9 has published their annual video codec benchmark.

Read More | Posted by Sachin Garg | Add Comment »

DirecTV continues to expand their MPEG-4 encoded broadcasts

29th December 2005

HDBEAT: Local Channels in MPEG-4 HD on DirecTV starting today for New York and LA

Read More | Posted by Sachin Garg | Add Comment »

MPEG-2 Not Dead Yet

28th December 2005

And you thought H.264 was a superior codec

Read More | Posted by Mark Nelson | 1 Comment »

Quantized Indexing Source Code Available

28th December 2005

Quantized Indexing is a newly introduced entropy coding method claiming better speed and compression efficiency. Ratko V. Tomic recently announced that source code for QI has finally been released.

Read More | Posted by Sachin Garg | 1 Comment »

MPEG-4 ALS (Audio Lossless Coding) is Ready

27th December 2005

We now have an MPEG-4 standard for lossless coding standard

Read More | Posted by Mark Nelson | 1 Comment »

PAQ7 Released

26th December 2005

Matt Mahoney announced release of PAQ7 at comp.compression. This is a complete rewrite of PAQ6.

Read More | Posted by Sachin Garg | Add Comment »

Adrian Rojak looks at Data Compression

26th December 2005

Via /. I bumped into this ad hoc commentary on data compression programs

Read More | Posted by Mark Nelson | 1 Comment »

Linear Acoustic President Tim Carroll To Address SBE

25th December 2005

Press Release: Linear Acoustic president Tim Carroll to address SBE to discuss thorny subject of managing HDTV multichannel audio levels.

Read More | Posted by Sachin Garg | Add Comment »

Electronics, Media Giants Form HD Alliance

25th December 2005

TechNewsWorld: Some of the world’s largest electronics and media companies joined together to work on high-definition television and audio standards for home entertainment networks.

Read More | Posted by Sachin Garg | Add Comment »

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