Embedded Recording Instrument Used For Judicature System

The video and audio record evidences are playing an increasingly important rolein the judicature system. With the rapid development of the computer and informationtechnology, The leading development trend of modern inquest instrument isminiaturization, integration and portability,and the storage medium also graduatesfrom video cassette tape to DVD or Cloud storage, the whole system also graduatesfrom an record only system to an integrated management platform. This paper aims todevelop an embedded recording instrument used for judicature system.First of all, this paper analyses the requirement of the judicature system, choseembedded system as the research direction, aiming to develop the GUI module,picture in picture video encode module, DVD burning module, web service module inthe Hi3520chip. Second, this paper expounds the The function and performance ofHi3520chip, and builds the developing environment. Third, this paper explains thetheories and Realization method of the GUI module, picture in picture video encodemodule, DVD burning module, web service module, provides the key codes of thesemodules. At last, this paper summarizes and expects the whole system.