OPTICAL DISC, PLAYER FOR THE OPTICAL DISC AND ITS PLAY BACK METHOD

摘要

An optical disc player includes an explaining device and a buffering management device. The explaining device is used to explain a command document; and the buffering management device is used to obtain the auxiliary information in advance according to the explained command document to cooperate to play of the main information of the optical disc subsequently. The method of playing an optical player includes the steps: explaining a command document; reading an auxiliary information in advance according to the explained command document to cooperate to play corresponding main information of the optical disc; and playing the corresponding main information cooperating with the auxiliary information read in advance when the auxiliary information is needed.