【摘要】 通过对国内外涉密视频会议系统发展现状的调查分析以及对相关音视频编解码技术、边界防护、QoS服务保障、安全策略部署等关键技术的研究,设计了一种基于涉密复杂网络的高清视频会议系统。结合摄像自动跟踪控制和高清视频编解码等技术,完成了在窄带宽、安全管控严格的涉密网环境中的高清视频会议系统的设计与实施,其满足国家涉密网络应用系统的相关接入要求。实践表明,该设计在涉密网络环境视频会议系统建设中具有一定的指导意义。更多还原

【Abstract】 This paper surveyed recent development of classified video conference system,introduced a design method of high-definition video conference in complex and confidential network.Combining typical confidential and secure network infrastructure,described in detail a high-definition video conference’s structure,automatic video track and control technology and deployment.Through research on key technologies such as related audio and video encoding,boundary defense,service quality guarantee and security policy configuration,proposed a practical and feasible design method which is successfully applied in projects.更多还原