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目前许多学校及研究部门引进了国外彩色电视闭路系统,制作了不少电视教材.由于使用的摄象机或电视中心没有同步锁相装置,不能与另一个节目源同步,在后期加工制作上带来了困难.例如,对于外拍的一些素材,需要在后期编辑时加入字幕说明,或者再与演播室摄象机作后期特技加工,以完成电视教材内容的合理组接.为了使设备达到上述功能,最简便的办法是采用集中同步器.集中同步器能使摄象机接受另
At present, many schools and research departments have introduced foreign color TV closed-circuit systems and produced a lot of TV teaching materials. Since the cameras or TV centers used do not have a genlock device and can not be synchronized with another program source, For example, some of the material for the outlope, you need to add subtitles in the editing later, or with studios and cameras for post-stunt processing, in order to complete the contents of the TV teaching materials reasonable grouping in order to make the device to achieve the above Function, the easiest way is to use a centralized synchronizer. Centralized synchronizer enables the camera to accept another