MPEG-4视频传输关键技术研究的中期报告摘要：随着互联网、无线通信和数字多媒体技术的飞速发展，MPEG-4视频传输技术在多媒体领域得到了广泛的应用。本文重点研究MPEG-4视频传输的关键技术，包括视频编码、传输协议、实时传输控制和网络适应性。首先分析了MPEG-4视频编码的基本原理及其实现方法。然后研究了传输协议及其在MPEG-4视频传输中的应用，特别是传输控制协议和实时传输协议。此外，还探讨了MPEG-4视频传输中的实时传输控制技术和网络适应性技术。实验结果表明，所提出的MPEG-4视频传输方案具有较高的传输效率和稳定性，可以满足实时视频传输的要求。关键词：MPEG-4；视频编码；传输协议；实时传输控制；网络适应性Abstract:WiththerapiddevelopmentoftheInternet,wirelesscommunicationanddigitalmultimediatechnology,MPEG-4videotransmissiontechnologyhasbeenwidelyusedinthefieldofmultimedia.ThisreportfocusesonthekeytechnologiesofMPEG-4videotransmission,includingvideocoding,transmissionprotocol,real-timetransmissioncontrolandnetworkadaptivity.Firstly,thebasicprincipleofMPEG-4videocodinganditsimplementationmethodsareanalyzed.Then,thetransmissionprotocolanditsapplicationsinMPEG-4videotransmissionarestudied,especiallytheTransmissionControlProtocol(TCP)andtheReal-timeTransportProtocol(RTP).Inaddition,real-timetransmissioncontroltechnologyandnetworkadaptivitytechnologyinMPEG-4videotransmissionareexplored.TheexperimentalresultsshowthattheproposedMPEG-4videotransmissionschemehashightransmissionefficiencyandstability,whichcanmeettherequirementsofreal-timevideotransmission.Keywords:MPEG-4;videocoding;transmissionprotocol;real-timetransmissioncontrol;networkadaptivity.