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<title>positron: the synchronization manager for the Neuros Audio Computer</title>
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<span>
<a href='http://www.xiph.org/'>Xiph.Org</a>:
positron
</span>
</p>
<div id='content'>
<h1>positron</h1>
<p>
This is the home of positron, the synchronization manager for the Neuros Audio Computer. This software is primarily intended to support Linux, but will probably be portable to other POSIX systems such as OS X and the BSDs. Currently there are USB protocol issues with OS X, so please don’t try it there yet.
</p>
<h2 id="vorbis">Vorbis support</h2>
<p>If you are using one of the beta
<a href="http://www.xiph.org/neurosetta/">Neurosetta</a> firmwares, you will
need to enable Vorbis support in Positron. To do this you will need to:
</p>
<ol>
<li>Make sure you have the final release of Positron 1.0
installed and configured.</li>
<li>Install pyogg and pyvorbis. These can be found on the
<a href="http://www.vorbis.com/download_unix.psp#python">Vorbis
download page</a>, or they might already be packaged by your
distribution. There have been reports that the RPMS on that
page do not work on current RPM systems like RedHat 9 and Mandrake
9.1. We suggest you install pyogg and pyvorbis from the source
tarballs. Please make sure you have the -devel or -dev packages
for libogg and libvorbis installed if your distribution has
that sort of thing.</li>
<li>Edit <code>~/.positron/config</code> and add the option
<code>oggvorbis_support=true</code>
If the <code>oggvorbis_support</code> option is already present
in the file, just edit that line instead.</li>
<li>Add Ogg Vorbis files using the <code>positron add</code> or
<code>positron sync</code> command as you would other music files.</li>
</ol>
<p>
If you decided to revert your Neuros to the non-Vorbis firmware, you
can easily remove all the Ogg Vorbis files from the database by
setting <code>oggvorbis_support=false</code> and then running
<code>positron rebuild</code>. Deleting the actual Vorbis files on
the Neuros is optional. <em>(Note that as of the beta 2 firmware, you no
longer need to worry about mixing MP3 and Vorbis files on the Neuros.
Neurosetta beta 2 can play both.)</em>
</p>
<h2>Documentation</h2>
<ul>
<li><a href="doc/user-guide.html">Positron User's Guide</a></li>
<li><a href="doc/developer-guide.html">Positron Developer's Guide</a></li>
<li><a href="files/README">README</a></li>
<li><a href="files/ChangeLog">ChangeLog</a></li>
</ul>
<h2>Binary Downloads</h2>
<h3>RPM-based systems</h3>
<ul>
<li><a href="files/binary/rpm/positron-1.0-1.noarch.rpm">positron-1.0-1.noarch.rpm</a> - RPM file</li>
<li><a href="files/source/rpm/positron-1.0-1.src.rpm">positron-1.0-1.src.rpm</a> - Source RPM</li>
</ul>
<h3>Debian</h3>
<p><a href="files/binary/deb/positron_1.0-1_all.deb">positron_1.0-1_all.deb</a></p>
<p>
Or add the following lines to your /etc/apt/sources.list:
</p>
<p><tt>
deb http://i.cantcode.com/~jack/debian unstable main contrib<br/>
deb-src http://i.cantcode.com/~jack/debian unstable main contrib<br/>
</tt></p>
<p>
and then install with:
</p>
<p><tt>
apt-get update<br/>
apt-get install positron<br/>
</tt></p>
<p>
Note: These packages will probably be in Debian unstable soon.
</p>
<h3>Gentoo</h3>
<p>Positron is now available in Portage (masked on PPC):<br/>
<code>
emerge /usr/portage/media-sound/positron/positron-1.0.ebuild<br/>
</code>
</p>
<h2>Source Downloads</h2>
<p><a href="files/source/positron-1.0.tar.gz">positron-1.0.tar.gz</a> - Source Tarball</p>
<h2>CVS Access</h2>
<p>Read our <a href="http://cvs.xiph.org/cvs.html">CVS access instructions</a> for accessing Xiph.org’s anonymous CVS archives. The positron code is in the <kbd>positron</kbd> CVS module.</p>
<h2>Bugs, Contact, Etc</h2>
<p>Please report bugs at <a href="http://bugs.xiph.org/">bugs.xiph.org</a> against the <kbd>positron</kbd> product.</p>
<p>Discussion and support on the <a href="http://www.xiph.org/archives/neurosetta/masterindex.html">Neurosetta mailing list</a></p>
<p>There will also be discussion of positron on the NeurosAudio.com forums.</p>
<h2>Old Releases</h2>
<dl>
<dt>Version 1.0 Beta 2</dt>
<dd><a href="files/binary/rpm/positron-1.0b2-1.noarch.rpm">positron-1.0b2-1.noarch.rpm</a> - RPM file</dd>
<dd><a href="files/source/rpm/positron-1.0b2-1.src.rpm">positron-1.0b2-1.src.rpm</a> - Source RPM</dd>
<dd><a href="files/source/positron-1.0b2.tar.gz">positron-1.0b2.tar.gz</a> - Source Tarball</dd>
<dt>Version 1.0 Beta 1</dt>
<dd><a href="files/binary/rpm/positron-1.0b1-1.noarch.rpm">positron-1.0b1-1.noarch.rpm</a> - RPM file</dd>
<dd><a href="files/source/rpm/positron-1.0b1-1.src.rpm">positron-1.0b1-1.src.rpm</a> - Source RPM</dd>
<dd><a href="files/source/positron-1.0b1.tar.gz">positron-1.0b1.tar.gz</a> - Source Tarball</dd>
</dl>
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