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    So many of today’s files are already compressed (using old, outdated algorithms) that newer algorithms don’t even get a chance to touch them.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

Skype to Add Video

Posted by Mark Nelson on 19th August 2005 | Permanent Link

Skype likes to brag about their zillion downloads, which doesn’t impress me that much. However, their phone service as actually pretty good, and I know some people who are big-time Skype users.

Anyway, the folks at Advanced Imaging Pro are floating the rumor that Skype is about to add video to the service.

Makes sense, it’s a natural addon, and with broadband upload caps steadily going up, it might be a decent service.

But what inquiring minds really want to know is what codecs will be used for the video transmission. Skype is notoriously fuzzy about their voice codecs, but adherence to standards has never been high on their talking points.

It would seem axiomatic that an advanced codec like H.264 is off the table. Skype can’t afford to pay a 50 cent royalty on every download, so they need something royalty free. My guess is that they’ll hook up with a proprietary vendor like On2 and get into a you-scratch-my-back-I’ll-scratch-yours deal.

Anyone want to to start a pool with wagering on what the final result will be?

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