Research And Implementation Of Digital Tv Embedded Browser

With digital cable television to promote the work of the expansion and the development of digital television technology, embedded browser technology has become the basis of digital TV system core technology, which allows a user to interact feature-rich platform. The digital TV applications such as electronic program guides (EPG), video on demand (VOD), tele-education, interactive games and other applications, can all be browser-based platform for development. The application of embedded browser uesed on digital TV faces on huge market opportunities and technical challenges.There are many embedded browsers which have their own features on the market now, but when coming into the application of digital TV terminals, some of them need to spend a lot of time on the work of improvement on function, performance and other aspects, some of them can't meet the market requirement due to the high copyright fees, the lack of technical transparency and the difficulty on transplant and maintain. Therefore, the development of embedded browser used in the digital television industry has great market value.The paper is to address the problem of China's digital TV industry based on requirements in line with the existing key technologies embedded browser, completed the digital TV embedded browser design. Realized the parsing of HTML data and HTTP protocol, optimized the design of data cache module based on the using of advanced replacement strategy for data in cache, designed and accomplished the OS adaptive module to improve the portability of the browser,at the end, tested the function and performance of the browser.The digital TV embedded browser which is designed for the digital TV industry, can improve the efficiency and value-added business development of digital TV system when it come to use. This is good for the promotion and popularity of the digital TV in our country.