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1、IntroductvoicecircuitWiththedevelopmentofsocietyandtechnology,themodernelectronicproductsdesignpaysgreatattentiontoproducttheeasyoperationaltype,theman-machinecontactsurfacecertainlytohavetobegood.Thesound,theimageandsoonmakethemostimportantmethodwhichassociateswiththeh
2、umanity,alsoismanifestedintheelectronicproductsdesign.Usesapronunciationchip,letstheproductopenthemouthtospeak,maygetupstrengthenedfunctionandsoonpropagandabrand,instructionuseruse,breakdownurgentprompt,entertainment,novelcausestheproductdesigntobepractical,toforestallo
3、pponentbyashowofstrengthenfeatstheenemybyasurpriseattack.Differentproductfunctionaldesignandmarketdemand,whendesignmustcorrectlyselectthedifferentpronunciationchiporthemoduleachievesthebestnaturalpriceratio.Engineermayfromfollowingseveralaspectsconsiderwhichkindoftypese
4、lectsthepronunciationchipAfterfirst,thepronunciationcontenttranscribesthepronunciationchip,whetherthecontentdoeshavefrequentlytorevise:Ifthepronunciationcontentfrequentlymustrevise,forexample,recordinggreetingcardproductdesignandsoontheelectronicmessagemachine,shoulduse
5、theISDseriesortheAPRseriespronunciationrecordingandsendingoutelectriccircuit,thesetwokindofchipsallsupportnomatterwhatrecords,fallstheelectricitypronunciationcontentnottobeabletolose,some10second-16minuteeachkindofdifferentchipmaysupplythechoice.Theacousticfidelityisbet
6、ter,mayapproachthemagnetictapeacousticfidelity.Ifafterthepronunciationcontentreadsindoesnotneedtorevise,mayconsiderusesOTP(disposablefevertowrite)thepronunciationelectriccircuitandtocoverthemembranepronunciationelectriccircuitSecond,howchoosesOTPperhapstheMASKpronunciat
7、ionelectriccircuit:Howthesetwocenterselects,thenmainlyreadstheorderformthequantity,thevarietyaswellasthedateofdelivery.AftertheOTPpronunciationelectriccircuitmustusespecial-purposeprogrammingfeverwritingtoburnintothepronunciationcontentedition,needsthePCmachinesupport.T
8、hiskindofchipnotsubscribesthequantitylimit,apiecealsomaymanufacture,thedeliveryisquick.Peripherypartfew,partit
