[vorbis] Ogg Traffic for August 20, 2003

[Carsten Haese]

Hi everybody,

below is the latest installment of news from the Xiph.org community. The
HTML version is at http://www.vorbis.com/ot/20030820.html. Enjoy!

-Carsten

<p>Ogg Traffic for Wednesday, August 20, 2003

   Author:  Carsten "Purple" Haese
   Contact: [1]carsten at xiph.org
    Date:   August 20, 2003

   Table of Contents
     1   Status Updates
          1.1   Monty
          1.2   Jean-Marc Valin
          1.3   Stan Seibert
          1.4   Ed Zaleski
          1.5   Brendan Cully
          1.6   Karl Heyes
          1.7   Mauricio Piacentini
          1.8   Dan Miller
          1.9   Ralph Giles
          1.10   Jack Moffitt
     2   Recent Developments
          2.1   Neuros Firmware News
          2.2   Speex ACM Codec and Netmeeting support
          2.3   Oggsplit
          2.4   Ogg Writ

   [2]Previous Issues of Ogg Traffic

1   Status Updates

1.1   Monty

   Monty was busy finishing up the optimizations of the Neuros firmware,
   which he delivered to Digital Innovations for integration into their
   official firmware. More details on the Neuros are below.

   Monty also found time to code Vorbose, which is a verbose Vorbis
   stream analyzer.

   Now that the Neuros work is finally out of the way, Monty's plans for
   the immediate future include a Vorbis 1.0.1 bugfix release, which is
   planned for early September, and resuming work on the OggFile API.

1.2   Jean-Marc Valin

   Jean-Marc has fixed a couple of bugs in Speex's denoiser code, and he
   has begun implementing echo cancellation.

1.3   Stan Seibert

   Stan has been fixing a number of bugs from bugs.xiph.org in libao and
   ogg123.

1.4   Ed Zaleski

   Ed implemented an official Xiph.org Icecast Directory server. The
   listing can be browsed at [3]http://dir.xiph.org. [4]Ed's
   announcement describes how Icecast should be configured for listing
   its streams there.

1.5   Brendan Cully

   Brendan committed a few build fixes to icecast, ices 0.3, and libshout
   2.

1.6   Karl Heyes

   Karl has resumed his quest for beating the icecast build system into
   shape. He cleaned up lots of code, moved things around to make room
   for autoconf-generated files, and squashed numerous miscellaneous
   bugs.

1.7   Mauricio Piacentini

   Mauricio committed a patch by Steve Nicolai to the MacOS X VP3 codecs.
   This patch allows transparency when playing movies in the Dock.

1.8   Dan Miller

   Dan is still busy working on the Theora bitstream specification.
   Currently, the specification only covers keyframes. If you are
   interested in helping Dan, please contact him at
   [5]danbmil99 at yahoo.com or Jack Moffitt at [6]jack at xiph.org, or post
   a message to [7]theora-dev at xiph.org.

1.9   Ralph Giles

   Besides committing some build fixes to Vorbis, Theora, libao, and
   libogg, Ralph added two third-party contributions, Oggsplit and Ogg
   Writ, to CVS.

1.10   Jack Moffitt

   Jack has been working on the RealPlayer Vorbis plugin, which is coming
   along nicely. He also spent some time to help debug the cvs2svn
   conversion script that will help Xiph in the conversion from CVS to
   Subversion.

2   Recent Developments

2.1   Neuros Firmware News

   As mentioned above, the [8]Neurosetta project has come to a close.
   The actual release of the final Ogg Vorbis firmware is up to Digital
   innovations, so please don't ask us when that will happen. Until then,
   beta versions can be downloaded from the Neurosetta page or from
   [9]Digital Innovation's Beta download page. The version on Digital
   Innovation's site includes other new features not found in Neurosetta
   Beta 2, such as WAV recording and playback and Linux USB fixes.

2.2   Speex ACM Codec and Netmeeting support

   Christian Buchner [10]has announced the full release of the Speex ACM
   codec. This allows the use of certain Speex modes in ACM aware
   applications, which in turn allows storing Speex data in WAV and AVI
   streams. More importantly, it allows Speex support in Netmeeting,
   which requires a small tool by DarkAvenger, called [11]InstCodec, to
   register the Speex ACM codec with Netmeeting.

2.3   Oggsplit

   Philip Jägenstedt has written a useful tool to split the chained and
   grouped logical Ogg streams from a physical bitstream into their own
   physical bitstreams. The current version is available in CVS from the
   ogg-tools module.

2.4   Ogg Writ

   Arc has been working on a subtitle/caption stream format dubbed Ogg
   Writ. The design of the stream format can be found on the [12]Wiki,
   and the planned data structures have been checked into CVS in the writ
   module.
     _________________________________________________________________

   Ogg Traffic for August 20, 2003

References

   1. mailto:carsten at xiph.org
   2. http://www.vorbis.com/ot/
   3. http://dir.xiph.org/
   4. http://www.xiph.org/archives/icecast/5414.html
   5. mailto:danbmil99 at yahoo.com
   6. mailto:jack at xiph.org
   7. mailto:theora-dev at xiph.org
   8. http://www.xiph.org/neurosetta/
   9. http://www.neurosaudio.com/support/support_updates_beta.asp
  10. http://www.xiph.org/archives/speex-dev/200307/0012.html
  11. http://darkav.de.vu/
  12. http://wiki.xiph.org/OggWrit

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