AVS-M視頻解碼器的設計和優(yōu)化.pdf

1、匝Ⅱ面曲⑧天率又謦中目近代第一所女學碩士學位論文___n■啊嵋■0爿|啊哪■111]：m學科專業(yè)：信號與信息撲理作者姓名：周大山指導教師：李華教格天津大學研究生院2006年1月AbstractWiththedevelopmentofcomputertechnique，networktechnique，multimediatechniquebecomesthemostimportantcomponentastheinformationin

2、communicationForexample，thedigitalTV，networkvideocommunication，mobileTVbecomeprevalentnow，andindicatetheprogressofoursocietyAVSisaudioandvideostandardofchinawithourtechniquepropertyrightItspoformanceishigherthanMPEG一2sta

3、ndard，andcorrespondstoH264InthedomainofvideoandaudiorestrictedbythehighexpensepropertyrightofMPEG一2andH264soitisnecessarytodevelopourvideoandaudiostandardAVS—MisthePart7ofAVSforthemovingmultimediavideonetworkmeetingandmo

4、bileTVInfluencedbythebandwithandfluctuateofthenet，ahighperformanceofvideocompressionshouldbechosentoguaranteethatthemultimediaflowcanbepassedviathenetworkOntheotherhand，thecapabilityoftheCPUisrestricted，butthespeedofdeco

5、dershouldbefastenoughChoosingthehighperformancevideodecoderandencoderisthekeyforsuccessofthemultimediaoperationAVS—MhavethatcharacteristicinthefrontofthepapernewvideocodingtechniqueisintroducedThemaintaskofthispaperistoa

6、nalyzetheshortcomingofreferencesoftware，designthedecodersoftwareofAVS—M，andoptimizeitThewholeprojectisdividedintothefollowingparts：firsttobefamiliarwithAVS。thenmakethestructureandflowofthesoftware，writetheCcodeanddofurth

7、eroptimizationwithmultimediainstructions刪XatlasttestthesoftwareTheleftpartofthispaperisintroducetheprincipalofmultiplexaboutAvSanalyzethecontactanddifferencebetweentheMPEG一2andAVSandwritetheprogramofmultiplexfortestingWi