The Data Compression News Blog

All about the most recent compression techniques, algorithms, patents, products, tools and events.

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  • Bijective BWT (7 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 (113 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 (3 Comments)

    So many of today’s files are already compressed (using old, outdated algorithms) that newer algorithms don’t even get a chance to touch them.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

Yahoo! Gives up against Forgent

17th December 2005

Scheduling software maker turned patent enforcer Forgent has announced an agreement with Yahoo in which the search engine will license the technology behind JPEG image compression. In exchange, Yahoo will be removed from litigation against companies Forgent claims are infringing on what it calls the ‘672 Patent.

Read More | Posted by Sachin Garg | Add Comment »

D-Lib Magazine’s December Ish

15th December 2005

D-Lib Magazine this month features a handful of articles on the AIHT - Archive Ingest and Handling Test

Read More | Posted by Mark Nelson | 1 Comment »

DivX 6.1 Released

14th December 2005

DivX 6.1 has been released, and promises super-duper speed improvements

Read More | Posted by Mark Nelson | Add Comment »

Texas Instruments Announces OMAP 2 Processor for Mobile Phones

14th December 2005

Texas Instruments Inc has announced it is sampling a new high-performance OMAP 2-based processor that offers a consumer electronics experience for 3G mobile phones, boosting video performance by up to 4x and imaging performance by up to 1.5x.

Read More | Posted by Sachin Garg | Add Comment »

GE Security’s new WaveJet video compression technology doubles DVR capacity

14th December 2005

Security Park: GE’s Security business has announced the availability of its new WaveJet video compression technology, which lets DVRs store as much as double the video images at medium resolution.

Read More | Posted by Sachin Garg | Add Comment »

Christie, FotoKem and Doremi produce first DCDM

12th December 2005

Press Release: FotoKem, Doremi Labs and Christie Digital Systems, USA, Inc., have produced the first Digital Cinema Distribution Master (DCDM) of a major motion picture that conforms to the specifications of the Digital Cinema Initiatives (DCI). The DCDM was then used to generate a Digital Cinema Package (DCP), ready for distribution.

Read More | Posted by Sachin Garg | Add Comment »

Dr. DivX returns?

12th December 2005

I thought Dr. DivX was dead, but it looks like a 2.0 beta is in the works

Read More | Posted by Mark Nelson | Add Comment »

AMIMON Demonstrates Technology for Wireless Transmission of Uncompressed HDTV at CES

12th December 2005

Press Release: Wireless Video-Aware Modem Features WHDI(TM) for Access to all Video Sources with Video Rates of up to 1.5Gbps

Read More | Posted by Sachin Garg | Add Comment »

LA Times’ editorial on current state of patent system

10th December 2005

LA Times published an interesting editorial on the current state of our patent system.

Read More | Posted by Sachin Garg | Add Comment »

Compression In Writing Text

10th December 2005

A news blogger gives a casual example of intelligent text compression. Lossy but still algorithmically unachievable for years.

Read More | Posted by Sachin Garg | Add Comment »