遠程教育系統，BigBlueButton 0.9.0 RC 發布
BigBlueButton 0.9.0 RC 發布，此版本改善了音頻質量。對于 Firefox 和 Chrome 用戶來說，通過網絡實時協作協議(WebRTC)支持在線發送和接收音頻。同時此版本可以設置公共聊天和私人聊天兩種模式。
BigBlueButton 是一個使用 ActionScript 開發的在線視頻會議系統或者是遠程教育系統，主要功能包括在線PPT演示、視頻交流和語音交流，還可以進行文字交流、舉手發言等功能，特別適合用在網上教學，支持中文等多種語音。
Record and Playback
BigBlueButton can record your lectures for later playback by students.
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<h4> Whiteboard </h4>
<p> Whiteboard controls let you annotate and call out key parts of your presentation for viewers. </p>
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<h4> Desktop Sharing </h4>
<p> Go beyond slides. The presenter can broadcast their desktop for all students to see. Works on Mac, Unix and PC. </p>
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<h4> Integrated VoIP </h4>
<p> BigBlueButton voice conferencing supports voice over IP (VOIP) conferencing out-of-the-box. All your students require are speakers and a microphone to participate. </p>
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<h4> Presentation </h4>
<p> The presenter can upload any PDF presentation or Microsoft office document to present, zoom, pan, and keep students in sync. </p>
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<h4> Web Cam </h4>
<p> Multiple users can share their webcam at the same time. There is no built-in limit on the number of simultaneously active webcams. </p>
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界面非常漂亮：
來自：http://www.oschina.net/news/61974/bigbluebutton-0-9-0
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