| Because success of Internet and demand for the multimedia service increased day by day, Streaming media's technology absorb more and more concerns at the Internet. Since the beginning of 1990s was proposed , Stream media technology get wide application Fan worldwide already. It can be used in online news briefing extensively that media's technology flows, e-commerce , tele-medicine , broadcasting directly, advertisement of the network , online radio station , teleeducation , real-time video conference online ,etc, it has changed the defect that traditional Internet can only display the characters and picture completely, and can incorporate audio frequency , video and picture and text into an organic whole . It will become the mainstream used in Internet in the future that media's technology flows, and will promote the innovation which Internet build up wholly. Convey multimedia dataflow person who media's technology sheds one of the main characteristics real-time, but general internet agreement is unable to realize, RTP (real-time transfer protocol ) is just made the agreement used for transmitting the real-time multimedia data by IEFT, in addition RTP agreement can also be used for solving the synchronous problems of the audio frequency and video data. The study on RTP agreement becomes and studies to flow one of the keys to media's technology too.This goal in research of subject is to combine the application reality of some video conference systems more, transmit the agreement when RTP is real, carry on research and realize in transmitting the mechanism in real time in base . In this paper ,we talk about the RTP protocol which is used for transmitting the real-time multimedia and discuss how to realize it in program. We express how to dispose the video and audio multimedia which is packet on RTP agreement, in order to deal with the problems of delay ,lost ,misorder , unsynchronization and so on .What's more ,this paper is use for video monitor system and Video on Demand system . |
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