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...../更多资料请访问.(.....)...../中华人民共和国通信行业标准YDYD5XXX—XX会议电视系统工程设计规范CodeforDesignofVideoconferenceSystemEngineering（2004年版）（报批稿）200X-××-××发布200X-××-××实施中华人民共和国信息产业部发布中华人民共和国通信行业标准会议电视系统工程设计规范CodeforDesignofVideoconferenceSystemEngineeringYD5032-97（2004年版）主编部门：信息产业部综合规划司批准部门：信息产业部施行日期：200X年XX月XX日人民邮电出版社200X北京目次修改说明........................................................................................................................................III前言............................................................................................................................................IV第一部分电路交换型会议电视系统.......................................................11总则.............................................................................................................................................12术语和符号...................................................................................................................................13会议电视系统的组成....................................................................................................................34会议电视的组网方式....................................................................................................................44．1专线式组网.............................................................................................................................44．2交换式组网.............................................................................................................................55会议电视功能和设备选型要求....................................................................................................65．1会议电视的功能要求..............................................................................................................65．2设备选型要求.........................................................................................................................76会议电视系统的质量要求............................................................................................................76．1传输信道要求.........................................................................................................................76．2CODEC之间端到端的传输性能指标...................................................................................86．3会议电视效果的质量评定......................................................................................................87会议电视设备安装设计..............................................................................................................107．1房屋建筑平面和设备布置....................................................................................................107．2电源和接地............................................................................................................................117．3照明和插座............................................................................................................................117．4环境要求................................................................................................................................117．5建筑要求.....................................................