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一.概述随着数字技术和多媒体计算机技术的日趋完善,广播电视正不断向数字化和计算机化方向发展,AVID公司的NewsCutter和AirPlay正是这一意义重大的转变所带来的产品。它们都属于数字化、非线性的多媒体计算机系统。和传统的电视设备相比,它们不但具有操作简便、迅速、直观的特点,而且集多种功能于一身,包括编辑、制作、播出等,实现了一机多用。另一方面,由于是对数字化的音频、视频信号进行处理,所以在编辑制作过程中不存在传统模拟
I. Overview With the continuous improvement of digital technology and multimedia computer technology, radio and television are constantly being digitized and computerized. AVID’s NewsCutter and AirPlay are the products brought by this significant shift. They are all digital, non-linear multimedia computer systems. Compared with the traditional TV equipment, they not only have the characteristics of being easy to operate, quick and intuitive, but also integrating multiple functions, including editing, making, broadcasting and so on, realizing the multi-use of one machine. On the other hand, as the digital audio and video signals are processed, there is no traditional simulation in the editing and production process