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=Quality Adaptation for Video Conference Applications=
 
=Quality Adaptation for Video Conference Applications=
  
<p style="font-size:1.5em;"> '''BEST''' (Bandwidth Estimation) application versus Skype video over a time-varying variable bandwidth, RTT=100ms.  
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==BEST application versus Skype Video==
<br>
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<p style="font-size:1.5em;">'''BEST''' (Bandwidth Estimation) application versus Skype video over a time-varying variable bandwidth, RTT=100ms.
Techical features: H.264 codec, Bandwidth Estimation, Adaptation, Congestion Control, FEC </p>
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Technical features: H.264 codec, Bandwidth Estimation, Adaptation, Congestion Control, FEC</p>
 
<absHTML>
 
<absHTML>
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<a name="skype"></a>
 
<div id="container"><a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> to see this player.</div>
 
<div id="container"><a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> to see this player.</div>
 
<script type="text/javascript" src="/video/mediaplayer/swfobject.js"></script>
 
<script type="text/javascript" src="/video/mediaplayer/swfobject.js"></script>
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<img src="/video/mixed_bands.png" alt="Bands" style="float: left;" />
 
<img src="/video/mixed_bands.png" alt="Bands" style="float: left;" />
 
<ul>
 
<ul>
<li><a href="#" onclick="javascript:player.sendEvent('seek', 55)">Go to 60s (when bandwidth drops  from 800 kbps to 160 kbps)</a></li>
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<li><a href="#skype" onclick="javascript:player.sendEvent('seek', 55)">Go to 60s (when bandwidth drops  from 800 kbps to 160 kbps)</a></li>
<li><a href="#" onclick="javascript:player.sendEvent('seek', 115)">Go to 120s (when bandwidth goes up from 160 kbps to 800 kbps)</a></li>
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<li><a href="#skype" onclick="javascript:player.sendEvent('seek', 115)">Go to 120s (when bandwidth goes up from 160 kbps to 800 kbps)</a></li>
<li><a href="#" onclick="javascript:player.sendEvent('seek', 175)">Go to 180s (when bandwidth goes up from 800 kbps to 2000 kbps)</a></li>
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<li><a href="#skype" onclick="javascript:player.sendEvent('seek', 175)">Go to 180s (when bandwidth goes up from 800 kbps to 2000 kbps)</a></li>
 
</ul>
 
</ul>
 
</absHTML>
 
</absHTML>
 
<br class="clearall" />
 
<br class="clearall" />
 
Skype&reg; is a registered trademark of Skype Ltd.
 
Skype&reg; is a registered trademark of Skype Ltd.
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==BEST application versus Google Videochat==
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<p style="font-size:1.5em;">'''BEST''' (Bandwidth Estimation) application versus Google VideoChat over a time-varying variable bandwidth, RTT=100ms.
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Technical features: H.264 codec, Bandwidth Estimation, Adaptation, Congestion Control, FEC</p>
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<absHTML>
 +
<a name="google"></a>
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<div id="container2"><a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> to see this player.</div>
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<script type="text/javascript" src="/video/mediaplayer/swfobject.js"></script>
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<script type="text/javascript">
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var s1 = new SWFObject("/video/mediaplayer/player.swf","ply2","640","320","9","#FFFFFF");
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s1.addParam("allowfullscreen","true");
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s1.addParam("allowscriptaccess","always");
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s1.addVariable("plugins", "googlytics-1");
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s1.addParam("flashvars","&file=/video_demo/best_vs_gvideo.flv&image=/video_demo/best_vs_gvideo.jpg&autostart=false&start=0&duration=240");
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s1.write("container2");
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var player2 = document.getElementById('ply2');
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</script>
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<img src="/video/mixed_bands.png" alt="Bands" style="float: left;" />
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<ul>
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<li><a href="#google" onclick="javascript:player2.sendEvent('seek', 55)">Go to 60s (when bandwidth drops  from 800 kbps to 160 kbps)</a></li>
 +
<li><a href="#google" onclick="javascript:player2.sendEvent('seek', 115)">Go to 120s (when bandwidth goes up from 160 kbps to 800 kbps)</a></li>
 +
<li><a href="#google" onclick="javascript:player2.sendEvent('seek', 175)">Go to 180s (when bandwidth goes up from 800 kbps to 2000 kbps)</a></li>
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</ul>
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</absHTML>
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<br class="clearall" />
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Google&reg; is a registered trademark.

Versione attuale delle 10:43, 6 Mag 2009

Quality Adaptation for Video Conference Applications

BEST application versus Skype Video

BEST (Bandwidth Estimation) application versus Skype video over a time-varying variable bandwidth, RTT=100ms. Technical features: H.264 codec, Bandwidth Estimation, Adaptation, Congestion Control, FEC

Get the Flash Player to see this player.

Bands


Skype® is a registered trademark of Skype Ltd.

BEST application versus Google Videochat

BEST (Bandwidth Estimation) application versus Google VideoChat over a time-varying variable bandwidth, RTT=100ms. Technical features: H.264 codec, Bandwidth Estimation, Adaptation, Congestion Control, FEC

Get the Flash Player to see this player.

Bands


Google® is a registered trademark.

Quality Adaptation for Video Conference Applications[edit]

BEST (Bandwidth Estimation) application versus Skype video over a time-varying variable bandwidth, RTT=100ms.
Techical features: H.264 codec, Bandwidth Estimation, Adaptation, Congestion Control, FEC

Get the Flash Player to see this player.

Bands


Skype® is a registered trademark of Skype Ltd.