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短文介绍了通过ＨＦＣ网传输视音频信号的会议电视控制管理的原理、系统构成、软件及其在湖南省地县会议电视中的成功应用。其软硬件控制设备具有一定的推广价值
The essay introduces the principle, system constitution, software and the successful application of conferencing TV in Huxian, Hunan province through the HFC network. Its hardware and software control equipment has a certain promotional value