最早的AV系统是十分简单的,仅需要一台单声道录放像机加一台小屏幕普通彩电即可,甚至是一台放像机与一台黑白电视机也可组成最基本的AV系统。但现在人们所说的家庭影院系统(如前面介绍的)要求是很高的。严格地讲,它是一套具有一定科技含量的视听设备组合。它对系统的配置、器材的性能甚至视听环境的要求 The earliest AV system is very simple, only need a mono video player plus a small screen ordinary color TV, or even a player and a black and white TV can also form the most basic AV system. But what people now call home theater systems (as described earlier) is demanding. Strictly speaking, it is a set of audio-visual equipment with a certain technological content. It is on the system configuration, equipment performance and even audio-visual requirements