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1、IntroductiontoMultimediaAbsteact:Multimediaisthecombinationofcomputerandvideotechnology,itisactuallytwomedia;Soundandpictures,orintoday'sterm,audioandvideo.Keyword:Hypermedia,Hyperlink,player,Internet,governmentpolicyBecausethemultimediasystemneedstobed
2、ifferentmediadatarepresentationintoaunifiedstructurecodeVideophoneflow,andthencarriesonthetransformation,reorganizationandanalysis,forfurtherstorage,transfer,outputandinteractivecontrol.1.Thethesisintroducesthebasicknowledgeofmultimedia,applicationandco
3、mposition.1.1WhatisMultimedia?Incomputersystem,thecombinationoftwoormoremediaaman-machineinteractiveexchangeofinformationandmedia.Useofmedia,includingtext,pictures,pictures,sounds,animationsandvideos,andprogramsprovidedbytheinteractivefunction.Becauseth
4、emultimediasystemneedstobedifferentmediadatarepresentationintoaunifiedstructurecodeVideophoneflow,andthencarriesonthetransformation,reorganizationandanalysis,forfurtherstorage,transfer,outputandinteractivecontrol.So,thetraditionofmultimediakeytechnologi
5、esaremainlyconcentratedinthefollowingfourcategories:datacompressiontechnology,largescaleintegratedcircuit(VLSI)manufacturingtechnology,thelargecapacitydiscmemory(cd-rom),real-timemultitaskingoperatingsystem.Becauseofthesetechnologieshasmadebreakthroughp
6、rogress,multimediatechnologytotherapiddevelopment,becomeliketodaywithastrongvoice,text,imagesandothermediatheabilityofinformationtechnology.ButwhenitcomestothekeytechnologyusedinInternetmultimedia,someexpertsthinkthatcanbedividedintomediaaccordingtothel
7、evelAndcodingtechnology,multimediasystemtechnology,multimediatechnology,multimediacommunicationnetworkinformationorganizationandmanagementtechnology,manymediaman-machineinterfaceandvirtualrealitytechnology,andmultimediaapplicationtechnologythesixaspects
8、.Butalsoshouldincludemultimediasynchronizationtechnology,multimediaoperatingsystemtechnology,exchangeofmultimediamiddlewaretechnology,multimediatechnology,multimediadatabasetechnologyandhypermediatechnology,content-basedretrieval