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1前言IDC看到从2013年开始,视频会议云服务市场已经呈现加速发展的态势。其认为中国幅员辽阔,企业据点多,中央省市县政府机构分布辽阔,断定视频会议在中国市场会有很好的发展前景。预测中国视频会议市场于2013~2018年将保持6.5%的年复合增长率,2018年市场规模将达到4.9亿美元。有统计分析资料显示,一场视频会议中,数据的信息量约5%,声音的信息量约5%,其余90%都是视频的信息量。因此说明视频会议应用中,优质
1 Introduction IDC sees the videoconferencing cloud services market have shown an accelerated growth since 2013. It believes that China has a vast territory and many strongholds of businesses. The vast number of county government agencies in the central provinces and municipalities are widely distributed, concluding that videoconferencing will have very good prospects for development in the Chinese market. It is predicted that the market for video conferencing in China will maintain a compound annual growth rate of 6.5% from 2013 to 2018 and the market size will reach 490 million U.S. dollars in 2018. A statistical analysis shows that a video conference, the amount of data about 5% of the information, the amount of information about 5% of the voice, the remaining 90% are the amount of video information. Therefore, the application of video conferencing, high quality