A:你买到什么好唱片啦?打开电唱机放来听听好吗?B:不,这不是普通唱片,这是能同时放图象和声音的新型唱片,我们暂且称它为“图象唱片”。它所用的唱机不同一般,要与电视机连接才能放映出来。喏,你看……A:啊,多么清晰的图象!就跟看电视台的节目似的。但是,从唱片里怎么能放出图象来呢?B:普通唱片刚出现时,人们大概也会觉得奇怪:从一张薄薄的圆盘上,怎么会放出音乐来呢?A:对这个道理,人们已经不陌生了,它是将声音信号刻在加工 B: No, this is not a normal record. This is a new record that can put both images and sound at the same time. Let us call it “an image record ”. It uses different phonographs, to connect with the TV to show.喏, look ... A: Ah, how clear the image! Just watch the show’s programs. However, how can the image be released from the record? B: When ordinary records first appeared, people probably would find it weird: how could music be released from a thin disk? A: , People are no stranger to it, it is engraved in the sound signal processing