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<title>Speex: A free codec for free speech: Documentation</title>
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<h1>Documentation</h1>
<p>
An <abbr title='frequently asked questions'>FAQ</a> is under development.
</p>
<h2>Manual</h2>
<p>
The Speex manual provides an introduction to Speex and
<abbr title="Code Excited Linear Prediction">CELP</abbr> coding,
<span class="program">speexenc</span> and
<span class="program">speexdec</span> information,
libspeex <abbr title="Application Programming Interface">API</abbr>
information, and miscellaneous format information.
</p>
<ul>
<li><a href="manual/speex-manual.pdf"><abbr title="Portable Document Format">PDF</abbr></a></li>
<li><a href="manual/speex-manual.ps">Postscript</a></li>
<li><a href="manual/speex-manual/">HTML (online)</a></li>
<li><a href="manual/speex-manual.tar.gz">HTML (tarball)</a></li>
</ul>
<h2><abbr title="Application Programming Interface">API</abbr> Reference</h2>
<p>
The Speex <abbr title="Application Programming Interface">API</abbr>
Reference Manual provides information on programming with libspeex.
</p>
<ul>
<li><a href="api/speex-api-reference.pdf"><abbr title="Portable Document Format">PDF</abbr></a></li>
<li><a href="api/speex-api-reference.ps">Postscript</a></li>
<li><a href="api/speex-api-reference/">HTML (online)</a></li>
<li><a href="api/speex-api-reference.tar.gz">HTML (tarball)</a></li>
</ul>
<h2>Standards</h2>
<p>
There are efforts underway to make Speex an
<abbr title="Internet Engineering Task Force">IETF</abbr>-blessed format;
A draft of "<a href="drafts/draft-herlein-speex-rtp-profile-02.txt"><abbr title="Realtime Protocol">RTP</abbr> Payload
Format for the Speex Codec</a>" is available.
</p>
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