Real-time Stable Audio-video Supervise and Record System for Trial in Procuratorate

According to the requirements of supreme people’s procuratorate for synchro audio-video supervise and record for whole process of trial,this paper researches and designs an audio-video supervise and record system for trial in procuratorate.This system uses the combination structure based on three level C/S and B/S,and realizes the key problems such as the synchronized audio and video record,the simultaneous burn of double DVD,the real-time supervising and control on Web during the trial process by the technologies of video-server,DLL component and ActiveX control based on COM,virtual real-time mechanism.It ensures the system’s security with the safety strategies including hardware-encryption and the role based access control.