选购 VCD 影碟机时。除了功能上要满足需求外,还应从以下三方面进行挑选。一、判断纠错能力高低。可采取以下方法来判断:一是播放卡拉OK 碟片的最后一首歌曲,看能否顺利播放,有无停顿,停顿次数多少。如果中途不停顿,说明机器的纠错能力和读取能力较强,因为最后一个曲目在碟片边缘,边缘线速度快,抖晃较大,误码会增加。二是拿一张磨损较大的碟片,在不同的机器上播放比较。停顿位置越提前,停顿次数越多,说明机器性能越差。二、正确鉴别 CD 改装机。有的厂商在 CD 唱机上加装一块 VCD VCD player purchase. In addition to functionally to meet the needs, but also from the following three aspects of selection. First, determine the level of error correction capability. The following methods can be used to judge: one is to play the last song of a karaoke disc, to see if it can be played smoothly, whether there is any pause or not, and how many pause times. If you do not stop midway, indicating that the machine’s error correction capability and read ability is stronger, because the last track in the disc edge, edge line speed, jitter larger error will increase. Second, take a larger disc wear, play on different machines more. Pause the more advanced position, the more the number of pause, the worse the performance of the machine. Second, correct identification CD modified machine. Some manufacturers in the CD player to install a VCD