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BigBlueButton is an open source web conferencing system developed primarily for distance education. == Features == BigBlueButton supports multiple audio and video sharing, presentations with extended whiteboard capabilities - such as a pointer, zooming and drawing - public and private chat, desktop sharing, integrated VoIP using FreeSWITCH, and support for presentation of PDF documents and Microsoft Office documents. Moreover, users may enter the conference in one of two roles: viewer or moderator. As a viewer, a user may join the voice conference, share their webcam, raise their hand, and chat with others. As a moderator, a user may mute/unmute others, eject any user from the session, and make any user the current presenter. The presenter may upload slides and control the presentation.〔 〕 Although its components are open source, the BigBlueButton client depends on a browser plugin for the Adobe Flash platform. The BigBlueButton server runs on Ubuntu 10.04 64-bit and can be installed either from source code or from Ubuntu packages. BigBlueButton is also downloadable as a Virtual Machine (VM) that runs within VMware Player on PC and Unix computers and within VMWare Fusion on Macs.〔 (【引用サイトリンク】 Installation - BigBlueButton - Overview of installation options - Project Hosting on Google Code ) 〕 The BigBlueButton server can also run within a cloud environment, such as Amazon EC2, by installing it on an Ubuntu 10.04 64-bit instance. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「BigBlueButton」の詳細全文を読む スポンサード リンク
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