[xiph-commits] r15701 - in websites/celt-codec.org: . comparison ssi
gmaxwell at svn.xiph.org
gmaxwell at svn.xiph.org
Tue Feb 17 00:00:11 PST 2009
Author: gmaxwell
Date: 2009-02-17 00:00:10 -0800 (Tue, 17 Feb 2009)
New Revision: 15701
Modified:
websites/celt-codec.org/comparison/index.shtml.en
websites/celt-codec.org/index.shtml.en
websites/celt-codec.org/ssi/pagebottom.include
Log:
Misc. website updates.
Modified: websites/celt-codec.org/comparison/index.shtml.en
===================================================================
--- websites/celt-codec.org/comparison/index.shtml.en 2009-02-17 04:06:01 UTC (rev 15700)
+++ websites/celt-codec.org/comparison/index.shtml.en 2009-02-17 08:00:10 UTC (rev 15701)
@@ -32,7 +32,7 @@
<tr class="CELT">
<td>CELT</td>
- <td>44.1, 48</td>
+ <td>32-96</td>
<td>
24-128 (mono)<br/>
40-160 (stereo)
@@ -85,17 +85,10 @@
</table>
<h2>Definitions</h2>
<dl>
- <dt><dfn id="multiRate">multi-rate</dfn></dt>
- <dd>
- Allows the codec to change bitrate
- dynamically, at any moment
- </dd>
-
<dt><dfn id="Robustness">bit-robust</dfn></dt>
<dd>
Robust to corruption at the bit level
- (as found on wireless networks) and to loss of
- entire packets (as on packet networks)
+ (as found on wireless networks)
</dd>
</dl>
Modified: websites/celt-codec.org/index.shtml.en
===================================================================
--- websites/celt-codec.org/index.shtml.en 2009-02-17 04:06:01 UTC (rev 15700)
+++ websites/celt-codec.org/index.shtml.en 2009-02-17 08:00:10 UTC (rev 15701)
@@ -1,5 +1,4 @@
<!--#include virtual="/ssi/header.include" -->
-<!-- Enter custom page information and styles here -->
<title>The CELT ultra-low delay audio codec</title>
<style type="text/css">
@@ -14,12 +13,11 @@
<body>
<!--#include virtual="/common/xiphbar.include" -->
<!--#include virtual="/ssi/pagetop.include" -->
-<!-- All your page content goes here -->
<h1>The CELT ultra-low delay audio codec</h1>
<h2>Overview</h2>
<p>
- The CELT codec is an experimental audio codec for use in low-delay speech and audio communication.
+ The CELT codec is an experimental codec for use in low-latency audio communication.
</p>
<h2>The Technology</h2>
<p>
@@ -29,24 +27,24 @@
</p>
<ul>
<li>Ultra-low latency (typically from 3 to 9 ms) </li>
- <li>Full audio bandwidth (44.1 kHz and 48 kHz)</li>
- <li>Support for both voice and music</li>
+ <li>Full audio bandwidth (≥20kHz; sample rates from 32 kHz to 96 kHz)</li>
+ <li>Support for both speech and music</li>
+ <li>A quality/bitrate trade-off competitive with widely used high delay codecs</li>
<li>Stereo support</li>
<li>Packet loss concealment</li>
<li>Constant bit-rates from 32 kbps to 128 kbps and above</li>
<li>A fixed-point version of the encoder and decoder</li>
</ul>
<p>
- The CELT codec is meant to close the gap between Vorbis and Speex for applications
+ The CELT codec is meant to bridge the gap between Vorbis and Speex for applications
where both high quality audio and low delay are desired.
</p>
<h2>Getting Involved</h2>
<p>
- CELT is still in very early phase. At this point, two ways of getting involved are:
+ CELT is still in an early state of development. At this point, two ways of getting involved are:
helping design the algorithm (requires strong DSP knowledge) or building applications using
- CELT and maybe help define future directions the codec will take.
-
+ CELT. Your feedback can help define the future direction the codec will take.
</p>
<p>
If you have questions or are interested in contributing to the project, you can
Modified: websites/celt-codec.org/ssi/pagebottom.include
===================================================================
--- websites/celt-codec.org/ssi/pagebottom.include 2009-02-17 04:06:01 UTC (rev 15700)
+++ websites/celt-codec.org/ssi/pagebottom.include 2009-02-17 08:00:10 UTC (rev 15701)
@@ -2,7 +2,7 @@
</div>
<div id="copyright">
<p>The Xiph <abbr title='open source community'>OSC</abbr> logos are trademarks (™) of Xiph.Org.</p>
- <p>These pages © 2008 Xiph.Org. All rights reserved.</p>
+ <p>These pages © 2008-2009 Xiph.Org. All rights reserved.</p>
<p class="hiddenlinks">Validate <a href="http://validator.w3.org/check/referer">XHTML</a> and <a href="http://jigsaw.w3.org/check/referer">CSS</a></p>
</div>
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