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1、ITETrans.onMTAVol.1,No.1,pp.10-19(2013)Copyright©2013byITETransactionsonMediaTechnologyandApplications(MTA)SurveyPaperAReviewofBroadcastingTechnologyFromProductiontoDistributionNobuyukiYagi(member)†,NorifumiEgami(member)††,NaokiShimidzu(member)††,MikiHaseyama(member)††
2、†AbstractThispaperpresentsasurveyofresearchtrendsinbroadcastingtechnologyfromproductiontodistributionandfromfundamentalstoapplications.ItbrieflyreviewsworkbeingdoneonUHDTV,3DTV,IPTV,hybridbroadcasting,transmissiontechnology,audio-visualcoding,imagesensingdevices,display
3、devices,mediaaccessibility,contentproduction,metadata,andcontentmanagement.Keywords:Broadcasting,television,production,processing,distribution,andcontentmanagementandrecommendationtechniquesarebeingtried.1.IntroductionTheincreaseinfunctionalityanddecreaseinpriceofResea
4、rchintohigh-definitionTV(HDTV,alsoknowncomputersaregreatlychangingthesystemsinbroad-asHi-Vision)beganattheNHKScienceandTechnol-castingstations.Inthepast,productionandplay-ogyResearchLaboratoriesin1964justascolorTVoutsystemswereconstructedbycombiningspecializedbroadcasti
5、nghadbeguntogetpopular1).After36equipmentsuchasvideoswitchersandVTRs.Butto-yearsofresearchanddevelopment,HDTVbroadcast-day,systemsconsistofcomputersorcomputer-basedingstartedin2000.Now,atatimewhenHDTVhasservers,andthevariousfunctionalitiesareimplementedbecomecommon,its
6、potentialsuccessor,ultra-high-insoftware.Computertechnologyhasbecomeindis-definitionTV(UHDTV),isbeingactivelyresearchedpensabletobroadcasting.Themovetowardsdigitalanddevelopedwithanaimofdeployingitinashorterequipmentmeansthatevenconsumer-gradeequipmentperiodthanittookto
7、deployHi-Vision.hasenoughimagequalitytousethroughtheprogramStereoscopicthree-dimensionalTV(3DTV)isbeingproductionprocess.Besidesbringingincreasedflexi-broadcastthesedays,butmorerealisticformsof3DTV,bility,thesenewtechnologieshavecausedadramaticsuchasintegralimaging,areb
8、eingresearchedandde-decreaseinthepriceofbroadcastingequipment.Invelopedforthefuture.Thetechnicalchallengesofde-additi