第八讲电视外场演播设备既然“实时性”是电视节目的一大特点,电视节目制作技术和制作设备就一定要发挥出这一特点的效果。在电视发展的初期,设备极为笨重,电视的新闻播出还不得不依靠电影摄影机,拍成胶片然后冲洗制片,再通过电视电影机播放出电视新闻。这已经比依靠电影银幕播出新闻效率高多了。但是这离充分发挥电视的实时性还差得很远。于是很快发展出小型化的便携的电视新闻采访设备和现场转播车。而这些设备的进一步发展又出现了现场节目制作设备、录象车。卫星电视广播开始后世界上任何两地的距离好象被一下子缩短为零了。进而 Eighth teleconferencing equipment Since the “real-time” is a major feature of television programs, television program production technology and production equipment must play the effect of this feature. In the early stages of television development, the equipment was extremely cumbersome. Television broadcasts had to rely on movie cameras, filming and then filming, and television news was broadcast on television and movie players. It is more efficient than broadcasting on the cinema screen. However, this is far from giving full play to the real-time nature of the television. Soon the development of small portable television news interview equipment and live trucks. The further development of these devices appeared again on-site programming equipment, video car. The distance between any two places in the world after the start of satellite television seemed to be suddenly reduced to zero. and then