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介绍一种视频音频切换分配器河北沧州地区广播电视局魏宝泉河北沧州地区机械电子局田兴德西安地质学院魏静一、概述视频音频切换、分配器是广播电视音像制作部门必不可少的关键设备。它用来实现图像、声音信号的正确切换、分配，以满足编辑、播出、复制、监测的需要。本文...
Introduction of a video and audio switching distributor Hebei Cangzhou Radio and Television Bureau Wei Baoquan Hebei Cangzhou Machinery Electronics Tianxing De Xi’an Institute of Geology Wei Jing I. Overview Audio and video switching, distributor is essential for radio and television audio and video production sector equipment. It is used to achieve the correct switching of images and sound signals, distribution, to meet the editing, broadcasting, copying, monitoring needs. This article...