90年代初期,美国 加拿大等发等发达国家开始将计算机技术和多媒体技术与影视制作结合,以便用计算机制作影视节目,并最终取得成功,推出了桌面演播室,也就是今天的视音频非线性编辑工作站。所谓非线性编辑,简而言之,是用一台电脑和一台录象机完成传统制作工艺中需要十几套机器(A/B卷编辑机,特技机编辑空制器,调音台,时基校正器,切换台等)才能完成的影视后期编辑合成以及其他特技的制作任务,而且可以在完成编辑后方便快捷的随意修改而不损失图象质量;实质上就是把胶片或磁带的模拟信号转换成数字信号存偖 Early 90s, the United States and Canada and other developed countries began to combine computer technology and multimedia technology with film and television production, in order to use computer to produce film and television programs, and ultimately successful, introduced the desktop studio, which is today’s video and audio nonlinear editing workstation. The so-called non-linear editing, in short, is the use of a computer and a video recorder to complete the traditional production process requires a dozen sets of machines (A / B volume editor, stunt machine editing air conditioner, mixing console, Time base corrector, switcher, etc.) can be completed in the post-editing synthesis and other special effects production tasks, but also can be done after editing is easy and quick to change without loss of image quality; in essence, the film or tape simulation The signal is converted to a digital signal