激光唱片以音色优美、“永不磨损”等特点深受广大音乐爱好耆喜爱。但近年来,市场上却出现了不少假冒伪劣的唱片。假冒伪劣唱片,制作粗劣、整体厚度偏薄,并有不易察觉的离心现象,且信噪比、抖晃率的性能指 Laser disc to the sound of beautiful, “never wear ” and other characteristics by the majority of music lovers love. However, in recent years, there have been many fake and shoddy records on the market. Fake and shoddy records, making poor, the overall thickness of the thin, and there is not easy to detect the phenomenon of centrifugal, and signal to noise ratio, shaking performance rate