DSP數(shù)字音效處理系統(tǒng)的算法研究與系統(tǒng)實現(xiàn).pdf

1、華中科技大學碩士學位論文DSP數(shù)字音效處理系統(tǒng)的算法研究與系統(tǒng)實現(xiàn)姓名：曾榮申請學位級別：碩士專業(yè)：電路與系統(tǒng)指導教師：嚴國萍2003.5.8華中科技大學碩士學位論文AbstractAlongwiththeimprovementofDSPtheoryandprogressofDSPICtechnologiesdigitalaudiosignalprocessinghasdevelopedinahighspeedBesides，DSPba

2、sedaudioeffectsprocessingsystemhasbecomeanimportantresearchprojectCompatedu7ilhanalogaudioeffectsprocessingsystem，DSPbasedaudioeffectsprocessingsystemhasmanyadvantages，suchashighintegration，flexibilityreliabilityandprogr

3、ammabilityCooperatedwithWuhanElecaElectronicsCompanythisprojectaimstodesignandimplementaDSPbasedaudioeffectsprocessingsystem，whichincludesase!iesof’effectssuchasdelaychorus，flangerreverberation，distortion，equalizationand

4、SO1)11Theinvestigationismainlyfocusedonthedesignofahighprice—performanceDSP—baseddigitalaudioeffectprocessingsystem，andtheresearchandimplementationofmathematicalmodelfordigitalaudioeffectsprocessingAfteranalyzinglherequi

5、rementsofthewholesystemandtheproblemthatshouldbepaidattentionto，thispaperproposedadigitalaudioeffectsprocessingschemebasedonMotorolaDSP56362Then，detaildesignsaboutalgorithm，hardwareandsoftwarewerefullydiscussedAstbldigit

6、alaudioalgorithms，wetookexampleofreverberationalgorithmanddidadeepanalysisandresearchofreverberationmodelbasedonthepreviousalgorithmsMoreoverourownmodelsarealsoproposedFurthermore，thepapermakesadetaileddiscussionuponagoo

7、dmanyproblemsinthehardwaredesignofsystem，includingDSP563621zSbusspecification，ADandDAconvertercircuits，SRAMandFLASHinterfaceandperipheralcontrolinterfaceNextinthepaperbythereferenceofthe11C／OS11embeddedopermingsystem，det

8、aileddiscussionofourownkernelsoftwarehasbeenproposedfortheaccommodationofthecomplexcontr01Besides，thebootloaderandinitializationoftheDSPsystem，andconcretealgorithmdesignshavealsobeenanalyzedindetailIntheend，asummaryhasbe