У вашего броузера проблема в совместимости с HTML5
Walking though the basics of video encoding from codecs and formats to settings to publishing, this tutorial is a primer to the world of encoding, using Sorenson Squeeze. For more encoding tips visit: http://forum.sorensonmedia.com/forum/content.php?200-Top-Encoding-Questions
To get a free trial of Squeeze 7 visit: http://www.sorensonmedia.com/