影响视频会议系统视音频效果的因素分析

Analysis on the Impact Factors on Video and Audio Effects of the Video Conference System

江西省电力公司会议电视系统建成于2006年,采用H.320/H.323协议进行组网,网络覆盖江西电网各供电公司及超高压分公司,柘林水电厂等各单位。2008年各地市公司进行扩容,将所辖分公司及县公司接入了该系统。整个会议电视系统工程包括6部分:视频会议系统、音响系统、显示摄像系统、会议等光照明系统、通信配套部分。在视频会议系统的应用中,影响视音频效果的因素主要集中在三个方面:网络的服务质量;MCU和终端的性能和会议室的设计。

The conference television system of Jiangxi Power Company was built in 2006, using H.320/H.323 protocol network. Its network covered all the power supply companies and UHP subsidiaries of Jiangxi Power Grid Company such as Zhelin Hydropower Plant. In 2008, it expanded to county. The entire conference television system project includes six parts: video conference system, sound system, video display system, lighting system, and communication supporting part. In the application of the video conference system, the impact factors on video and audio effects mainly include three aspects: the network service quality, the performances of MCU and terminal, and the design of conference room.