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

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  • Bijective BWT (6 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    So many of today’s files are already compressed (using old, outdated algorithms) that newer algorithms don’t even get a chance to touch them.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 February, 2006

The British Federation of Audio (BFA) condemns low bit-rate audio files

13th February 2006

The British Federation of Audio (BFA) – the UK’s specialist AV consumer electronics trade body - has come out saying it’s concerned that consumers are not getting the enjoyment they could.

Read More | Posted by Sachin Garg | 2 Comments »

There are 4 Parallel bzip2 Implementations

11th February 2006

A follow up to the recent pbzip2 update, I came across a few more similar solutions. I wonder how all 4 of these compare to each other.

Read More | Posted by Sachin Garg | 3 Comments »

pbzip2: Parallel BZIP2 0.9.6 Released

11th February 2006

This release fixes a major bug that caused some blocks to be missed by the decompression routine under certain conditions.

Read More | Posted by Sachin Garg | 4 Comments »

After JPEG, Now Patent Threat to MPEG-4

9th February 2006

PCMag: AT&T Warns Apple, Others, of Patent Infringement over MPEG-4

Read More | Posted by Sachin Garg | 7 Comments »

MP3 Inventor Develops Tool to Fight Piracy

9th February 2006

Fraunhofer Institute has developed prototype Digital watermarking technology which can be used to track pirated audio files online.

Read More | Posted by Sachin Garg | 3 Comments »

Israeli startup develops faster DSP

7th February 2006

EETimes.com: The Israeli startup Lenslet has developed a revolutionary electro-optic processor that hits the unprecedented speed of 8 tera calculation operations/second — one thousand times faster than any known digital signal processor.

Read More | Posted by Sachin Garg | Add Comment »

Forgent Announces Another Patent License Agreement

7th February 2006

Days after the USPTO patent reexamination request, forgent Announces another patent license agreement.

Read More | Posted by Sachin Garg | 2 Comments »

Newly Issued Digimarc Patents Cover Better Management and Protection of Movies and Music

5th February 2006

Press Release: New patent claims relate to a wide range of techniques such as methods to control or process video with reference to out-of-band and in-band information.

Read More | Posted by Sachin Garg | Add Comment »

Forgent Announces USPTO to Reexamine the ‘672 Patent

5th February 2006

Forgent’s press release on USPTO’s JPEG Patent reexamination order.

Read More | Posted by Sachin Garg | Add Comment »

On2 Technologies CEO McIntyre resigns

5th February 2006

Business Week Online: On2 Technologies Inc. said on Friday its CEO and chairman, Douglas McIntyre, resigned and will be replaced temporarily by James Meyer, a member of the board.

Read More | Posted by Sachin Garg | Add Comment »