为了实现多媒体教室的计算机网络互联；多媒体教室远程集中控制管理；总控室对各教室的视频监视；教学情景实时直播；教学情景课件实时录制生成及课件点播-Multimedia classrooms, computer networking　multimedia classrooms remote centralized control of management　the master control room video monitor for each classroom　teaching scenarios in real time live　teaching scenarios PowerCreator to generate and courseware on demand