부산대학교 도서관

A recorder including an optical pick up head and a processor can provide a number of recording speeds for recording an optical disc. The optical pick up head is for recording the optical disc while the processor for controlling the optical pick up head to perform an optimum power calibration (OPC) procedure for each recording speed to provide the corresponding recording quality index. A method of selecting recording speed includes placing the optical disc into the recorder; performing the OPC procedure for each recording speed in the recorder to obtain the corresponding recording quality index; and selecting the required recording speed from the supported recording speeds according to the recording quality indexes and records the optical disc according to the selected recording speed.