Design And Implementation Of Intelligent Multimedia Information Publishing System Based On The Embedded System

Multimedia information publishing system makes people receive multimedia information more visually and efficiently, also carries on huge business opportunities. It is used in many public occasions, such as hotels, emporiums, railway stations and residential areas. This paper designs a special multimedia information publishing system in the order of Lvliang International Trader Hotel in Shanxi Province, with the requests as it should be simple, applied and low-cost, based on the LAN with narrow bandwidth occupied. This paper designs and implements the system, which includes the design of audio/video MPEG-4 coding, RTP encapsulation, and stream transmission control of the server, hardware and software of the set-on-box, by using embedded technology and streaming media technology. It satisfies the user requests, can realize to transmit higher quality of video in lower code rate, broadcast according to the requests, and insert realtime information, such as multiple course text, roller caption and so on.