| With the fast development of the techniques of computer software, hardware, network and video/audio encoding, the way teaching is facing a huge renovation and all kinds of multimedia teaching applications come into being.In order to share valuable teaching resources and make study more flexible, starts with a real teaching requirement, integrated with the use of current computer technology:network technology, data mining technology and multimedia technology, this paper designs and implements a Linux-based multimedia teaching and recorded broadcasting system, the system can support multi-channel signal acquisition, including:video signal, audio signal and VGA signal, without human intervention, the system can perform automatically record and upload function, meanwhile the system provide a full-text search capabilities of the computer screen content of the reporting person, video download feature. Furthermore, the existing varieties of video encoding methods are well supported, which enhance the practicality of the system. |
