A vending machine that dispenses items for use with a power source. The male joint is received in the female joint such that an outer peripheral surface of the male joint is opposed to an inner peripheral surface of the female joint. A surrounding adaptive background color obtaining section generates surrounding adaptive background colors based on pixels around a pixel of interest for object images that have undergone rendering. Also proposed are a method for producing such an optical recording medium as well as methods and apparatuses for initializing andor activating such an optical recording medium. When the mobile device chip operates in a normal mode, the main processor provides file accessing information of at least part of an audio file stored in the storage to the multimedia processor.