| Digital products change rapidly, which is the suddenness of a thunderbolt that haschanged our viewing habits. From early blue light machine and DVD to modern Wi-Fidisplay, DLNA technology, intelligent goes gradually into people’s lives, and the emergenceof TV box is further adapted our passive watching TV history. At present, the intelligent TVbox industry chain has been formed. A large number of manufacturers began producing TVbox of Chinese version.People have more and more high requirements to the intelligent, diversified digitalproduct. Consequently, this paper chooses TV box system as the research object. According tothe current market mainstream embedded processor and operating system comparison, thisarticle chooses the high efficiency of Cortex-A7as the system processor and the popularAndroid operating system, and the use of wireless transmission protocol enables multimediapush, multi-screen interactive features.This paper selects A31as the main control chip from All Winner company.AXP221asthe power management chip. In addition, there are Wi-Fi module, HDMI interface, USBinterface and infrared receiving. Apart from the mainstream it has an application base onwireless transmission protocol so that other devices can transmit data to TV box through awireless network. In addition, the system also designed a desktop application with friendlyUI and a series of applications. People can watch network TV programs, listen to music andplay games. It is an entertainment product that has rich functions and stable performance. |
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