ITURBT.doc

ITURBT.docMENDATIONITU--ponentvideosignalsin525-lineand625-elevisionsystemsoperatingatthe4:2:mendationITU-* mendationITU--6–Studioencodingparametersofdigitaltelevisionforstandard4:3andwide-screen16:9aspectratios.(QuestionITU-R42/6)(1986-1992-1994-1995-1998-2007)mendationcoversthedatastructureoftheparallelsignalrepresentationandserialinterfacefor525/625-mendationITU-,consideringa) monto525-lineand625-linesystems;b) monfeatures,permitoperatingeconomiesandfacilitatetheinternationalexchangeofprogrammes;c) thattoimplementtheaboveobjectives,mendationITUR ;d) mendationITU-;e) monalitybetween525-lineand625-lineversions;f) mendationITU-R -serialinterfacebedefined,mends1 ponent-mendationITU,ordancewithAnnex 1,definingthebit- mendationdescribesthemeansofinterconnectingdigitaltelevisionequipmentoperatingonthe 525-lineor625-plyingwiththe4:2:mendation ITU-R -- GeneraldescriptionoftheinterfaceTheinterfaceprovidesaunidirectionalinterconnectionbetweenasinglesourceandasingledestination.(NOTE–Withtheuseofsignalroutersthedestinationmaybemultipledestinations.)Adigitalsignalformatoftheinterfaceisdescribedin§-or10-bitwords(seeNote1).Thesesignalsare:– videosignals,– digitalblankingdata,– timingreferencesignals,–  1 – mendation,thecontentsofdigitalwordsareexpressedinhexadecimalformof10-,thebitpattern1001000101isexpressedas -upytheleftmostsignificantbitsofa10-bitword,, mendationITU-R B