目前在市场上出售的激光唱机,大体上可分为两大类机型,即普通型和高档型。高档型激光唱机往往采用三光束扫描,在功能上有数字信号输出、高速检摇牲、随机记忆选曲、及2-6张唱片编程连续播放等功能。普通型激光唱机一般为单光未扫描,有一般的编程、选曲功能,但性能稍进、功能也比较少。在选购激 Laser disc players currently on the market are broadly classified into two broad categories, namely ordinary and premium. High-grade CD players often use three-beam scanning, digital signal output in function, high-speed detection sacrifice, random memory selections, and 2-6 record programming continuous playback and other functions. Ordinary type universal disc player is usually not scanned single-shot, a general programming, song selection function, but the performance slightly, the function is relatively small. In the purchase of shock