(→Quality Adaptation for Video Conference Applications) |
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=Quality Adaptation for Video Conference Applications= | =Quality Adaptation for Video Conference Applications= | ||
− | <p style="font-size:1.5em;"> | + | ==BEST application versus Skype Video== |
+ | <p style="font-size:1.5em;">'''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</p> | ||
<absHTML> | <absHTML> | ||
+ | <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> | ||
Riga 17: | Riga 20: | ||
<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 | + | <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 | + | <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 | + | <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® is a registered trademark of Skype Ltd. | Skype® is a registered trademark of Skype Ltd. | ||
+ | |||
+ | ==BEST application versus Google Videochat== | ||
+ | <p style="font-size:1.5em;">'''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</p> | ||
+ | <absHTML> | ||
+ | <a name="google"></a> | ||
+ | <div id="container2"><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"> | ||
+ | var s1 = new SWFObject("/video/mediaplayer/player.swf","ply2","640","320","9","#FFFFFF"); | ||
+ | s1.addParam("allowfullscreen","true"); | ||
+ | s1.addParam("allowscriptaccess","always"); | ||
+ | s1.addVariable("plugins", "googlytics-1"); | ||
+ | s1.addParam("flashvars","&file=/video_demo/best_vs_gvideo.flv&image=/video_demo/best_vs_gvideo.jpg&autostart=false&start=0&duration=240"); | ||
+ | s1.write("container2"); | ||
+ | var player2 = document.getElementById('ply2'); | ||
+ | </script> | ||
+ | <img src="/video/mixed_bands.png" alt="Bands" style="float: left;" /> | ||
+ | <ul> | ||
+ | <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> | ||
+ | </ul> | ||
+ | </absHTML> | ||
+ | <br class="clearall" /> | ||
+ | Google® is a registered trademark. |
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
Skype® is a registered trademark of Skype Ltd.
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
Google® is a registered trademark.
Our BEST application versus Skype video over a time-varying variable bandwidth. BEST is using H.264 codec.
Skype® is a registered trademark of Skype Ltd.