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1、金陂科技学院毕业设计(论文)外文参考资料及译文译文题目:基于语音识别的智能门控系统设计学生姓名:杨敏学号:0805110732专业:通信工程所在学院:信息技术学院指导老师:陈美君职称:高级工程师/副教授2011年12月7日说明:要求学生结合毕业设计(论文)课题参阅一篇以上的外文资料,并翻译至少一万印刷符(或译出3千汉字)以上的译文。译文原则上要求打印(如手写,一律用400字方格稿纸书写),连同学校供应的统一封面及英文原文装订,于毕业设计(论文)工作起先后2周内完成,作为成果考核的一部分。2009ISECSInternationalColloquiumonComputing.Communicat
2、ion.Control,andManagementDesignandRealizationofanIntelligentAccessControlSystemBasedonVoiceRecognitionBoCuiCollegeofInfbnnationHcbeiPolytechnicUniversityTangshan.ChinaE-mail:mikecuiTongzeXueCollegeofInfbnnationScienceandEngineeringHebeiUniversityofScienceandTechnologyShijiazhuang,ChinaE-inail:dianzi
3、xinxiAbstractTheintelligentaccesssystemadoptsthetechnologyofthevoicerecognitionthatbasedontheSPCE061Asinglechip.ThesystemhardwareismadeupofSPCE061Asinglechip,thepowerandgatingcircuit,theextendedmemorizerSPR4096,thevoiceinputandoutputcircuit.ThekeytechnologiesarctheapplicationoftheSPCE061Asinglechipo
4、nvoicerecognitionandthedesignofthedoorcontrolcircuit.Thesystemsoftwareismadeupofthevoicetrainingmodule,thevoicerecognitionmodule,thevoicedataprocessingmodule,thevoice-playingmoduleandthecodeofinputandoutputmodule.Thesystemcompletesthefunctionsofcollectingthevoicedata,distillingcharacter,specialvoice
5、recognitionandvoiceplayingintermsofinitializingthesystemandtheidcnticationtraining.Accordingtothevoicerecognitionarithmetictheory,thepretrcatmentofvoicesignal,thecharacterdistillingandpatternmatchingisanalyzed.Theresultsoftheexperimentsindicatethatthesystemcapabilityissteadyandtheidenticationiseffec
6、tive.ThesystemcanbeappliedinhouseorsmallofceSafetyprotection.Keywords-accesscontrol;linearprediction;voicerecognition;patternmatch;characterdistilI. Introduc11onTherearemanyidentificationtechnologiesusedincurrentintelligentguardsystem.Relativetoothertechniques,theVoiCerecognitiontechnologyisgenerall
7、yregardedasoneoftheconvenientandsaferecognitiontechniques;thistechniqueisakindoftechniquethatmakesuseofthecreaturecharacterofahumanbodytoCarryonidentification.Becauseeverybody,screaturecharacterisuniqueandstableinacertainperiod,theyarcdiIlcrcntfromothersanddifficulttobefabricatedandimitated.Sothevoi
8、cerecognitionteclmologycanbemadeuseofidentification,whichissafe,accurateanddependable.II. THEC1.ASSIFICATIONOFVOICERECOGNITIONBecausethepurposeandfunctionofthevoicerecognitionarcdiflcrcnt,therecognitionisclassifiedastalkerrecognitionandvoicerecognition.Andthetalkerrecognitioncanbeclassifiedastwotype
9、s,oneisrelevanttotextandtheotherisirrelevanttotext.Thevoicerecognitionsystemthatisrelevanttotextneedsuserstopronounceaccordingtothestatedcontents,andtheneverybodysspeechmodelisbuiltupaccurately.Becauseidentificationalsoneeduserstopronounceaccordingtothestatedcontents,theeffectisVerygood.Thevoicereco
10、gnitionsystemthatisirrelevanttotextdoesntrulepronunciationcontentsofthetalkers;itisditTiculttobuildupspeechmodels.Butcustomersmakeuseofthesystemconvenientlyanditisappliedwidely.Fromtheusage,thesystemcanbeclassifiedastalkerrecognitionandtalkerconfinnation.Theformerjudgesavoicethatneedstobeidentifiedf
11、romseveraltalkers.Thelatterjudgesthatanidcnticdvoicecomesfromacertaintalkerwhetherornot.Itsoutputonlyhashvokindsofresult,yesornot.ThecentralprocessorofthissystemistheSPCE061Asinglechip.Thetalkerconfirmationthatisrelevanttotextisrealizedonthechip,andthenhomologousorderandoperationarecarriedout.Thesys
12、temismainlymadeupoftalkeridentificationmodule,gatingcircuitanddoorlocketcIntraining,thevoiceoftalkersgetsintothevoicesignalcollectioncircuittIiroughamicrophone,andthenthecollectedvoicesignalsareprocessedbythevoiceprocessingcircuit,thecharacteristicparametersoftalkersaredistilledandsaved.Atlastthedat
13、abaseofcharacteristicparametersoftalkersisfb11ned.Inidentifying,thevoicethatneedstobeidentifiedismatchedwiththeinformationinthedatabaseofcharacteristicparametersoftalkers.Outputcircuitscontrolthegatingelectricalmachine,andlastlythedoorlockiscontrolled.Figurel.FrameofthissystemCCCM2009978-1-4244-4246
14、-109$25.002009IEEEThehardwarepartofthissystemincludeSPCE061Asinglechip,theaud100utputcircuit,theaudioinputcircuit,thevoicerecognitioncircuit,thedrlockcontrolcircuit,theF1.ASHcircuitandthekeyboardcircuitetc.TheframeofthissystemisshowedinFigure1.Themainmissionofthehardwareistochangevoicesignalsintodig
15、italsignals,collect,upload,save,identityandplaytheVOiCedatum.III. HARDWAREDESIGNOFTHESYSTEMA. CPUcorecircuitThevoltagescopeofaSPCE061Asinglechipis2.6-5.5V.thesystemfrequencyis0.375-49.152MHz.Tlierearemulti-functionprogrammableIOportsof32bits,tvvotimercountersof16bits.7channelsVoItageADCof10bits,micr
16、ophoneinputwithautomaticplusfunction,doublechannelsaud100utputfunctionof10bitsDACandWatchDogTimer(WDT)inthesinglechip.TheinterruptioncontrollercanhandletlreekindsofFIQinterruption,elevenkindsofIRQinterruptionandonesoftintemtioncontrolledbytheinstnctionBREAK.ITiereareabundantCRinctiondatabasesandvoiceprocessingnctiondatabasesPrOVidedbytlesinglechip.It