The Data Compression News Blog

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


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Recent Posts

  • Google Snaps Up On2 (12 Comments)

  • Bijective BWT (37 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 (172 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 (9 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    So many of today’s files are already compressed (using old, outdated algorithms) that newer algorithms don’t even get a chance to touch them.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 (11 Comments)

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

Search Results

After JPEG, now MP3 in Patent Mess

Posted on Monday, May 7th, 2007

After forgent’s JPEG patent claims, its Alcatel-Lucent’s claims on MP3. A US judge has approved a jury’s decision to award Alcatel-Lucent $1.52 billion after it ruled that Microsoft had infringed an audio technology patent.

Read More | Posted by Sachin Garg | 1 Comment »

The Data Compression Newsletter - September 2006

Posted on Thursday, September 14th, 2006

September 2006 issue of the Data Compression Newsletter.

Read More | Posted by Sachin Garg | Add Comment »

What’s up with the JPEG patent company Forgent

Posted on Saturday, August 26th, 2006

They may soon get delisted from Nasdaq as their stock’s bid price is way below the minimum $1.00 per share requirement, but it still might be too soon to completely write them off. They have not yet given up on Jpeg patent and they are actively pursuing other interesting patents too.

Read More | Posted by Sachin Garg | 2 Comments »

Forgent Networks Responds to JPEG Patent Rejection

Posted on Sunday, July 2nd, 2006

Although in initial press releases after the ruling, both PUBPAT and Forgent claimed victory and sounded optimistic, another recent press release from Forgent mentions their “shock” and “disappointment”.

Read More | Posted by Sachin Garg | 17 Comments »

Oooh, Forgent, I think that’s going to leave a mark

Posted on Friday, May 26th, 2006

The USPTO appears to have let a lot of the air out of the JPEG patent that Forgent Networks has been using as a cash cow.

Read More | Posted by Mark Nelson | 5 Comments »

Microsoft: JPEG? What’s that?

Posted on Thursday, May 25th, 2006

Microsoft is tossing a new image format out on the playing field. Will this hasten my predicted demise of the JPEG format?

Read More | Posted by Mark Nelson | 2 Comments »

JPEG death seems imminent

Posted on Wednesday, April 19th, 2006

The use of the JPEG format is becoming so mired in patent snarls that it is quickly becoming an albatross around the necks of any companies doing imaging.

Read More | Posted by Mark Nelson | 3 Comments »

Forgent Drops Suit Against Xerox

Posted on Saturday, April 8th, 2006

InformationWeek: Both sides remain quiet on the terms of the settlement.

Read More | Posted by Sachin Garg | Add Comment »

Philips joining the game?

Posted on Saturday, March 18th, 2006

Philips following in Forgent’s footsteps in asking for JPEG royalties?

Read More | Posted by Mark Nelson | Add Comment »

The Data Compression Newsletter - February 2006

Posted on Sunday, March 12th, 2006

Februray 2006 issue of the Data Compression Newsletter.

Read More | Posted by Sachin Garg | Add Comment »