ITU-T J.143 (05 2000) (英) User requirements for ob

INTERNATIONALTELECOMMUNICATIONUNIONJ.143TELECOMMUNICATIONSTANDARDIZATIONSECTOROFITU(05/2000)SERIESJ:TRANSMISSIONOFTELEVISION,SOUNDPROGRAMMEANDOTHERMULTIMEDIASIGNALSMeasurementofthequalityofserviceUserrequirementsforobjectiveperceptualvideoqualitymeasurementsindigitalcabletelevisionITU-TRecommendationJ.143(FormerlyCCITTRecommendation)ITU-TJ-SERIESRECOMMENDATIONSTRANSMISSIONOFTELEVISION,SOUNDPROGRAMMEANDOTHERMULTIMEDIASIGNALSGeneralRecommendationsJ.1–J.9Generalspecificationsforanaloguesound-programmetransmissionJ.10–J.19Performancecharacteristicsofanaloguesound-programmecircuitsJ.20–J.29Equipmentandlinesusedforanaloguesound-programmecircuitsJ.30–J.39Digitalencodersforanaloguesound-programmesignalsJ.40–J.49Digitaltransmissionofsound-programmesignalsJ.50–J.59CircuitsforanaloguetelevisiontransmissionJ.60–J.69Analoguetelevisiontransmissionovermetalliclinesandinterconnectionwithradio-relaylinksJ.70–J.79DigitaltransmissionoftelevisionsignalsJ.80–J.89AncillarydigitalservicesfortelevisiontransmissionJ.90–J.99OperationalrequirementsandmethodsfortelevisiontransmissionJ.100–J.109InteractivesystemsfordigitaltelevisiondistributionJ.110–J.129TransportofMPEG-2signalsonpacketisednetworksJ.130–J.139MeasurementofthequalityofserviceJ.140–J.149DigitaltelevisiondistributionthroughlocalsubscribernetworksJ.150–J.159Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TJ.143(05/2000)iITU-TRecommendationJ.143UserrequirementsforobjectiveperceptualvideoqualitymeasurementsindigitalcabletelevisionSummaryThisRecommendationdescribesuserrequirementsforobjectiveperceptualvideoqualitymeasurementsindigitalcabletelevisionandsimilarapplications.SourceITU-TRecommendationJ.143waspreparedbyITU-TStudyGroup9(1997-2000)andapprovedundertheWTSCResolution1procedureon18May2000.iiITU-TJ.143(05/2000)FOREWORDTheInternationalTelecommunicationUnion(ITU)istheUnitedNationsspecializedagencyinthefieldoftelecommunications.TheITUTelecommunicationStandardizationSector(ITU-T)isapermanentorganofITU.ITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationConference(WTSC),whichmeetseveryfouryears,establishesthetopicsforstudybytheITU-Tstudygroupswhich,inturn,produceRecommendationsonthesetopics.TheapprovalofITU-TRecommendationsiscoveredbytheprocedurelaiddowninWTSCResolution1.InsomeareasofinformationtechnologywhichfallwithinITU-T'spurview,thenecessarystandardsarepreparedonacollaborativebasiswithISOandIEC.NOTEInthisRecommendation,theexpressionAdministrationisusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.INTELLECTUALPROPERTYRIGHTSITUdrawsattentiontothepossibilitythatthepracticeorimplementationofthisRecommendationmayinvolvetheuseofaclaimedIntellectualPropertyRight.ITUtakesnopositionconcerningtheevidence,validityorapplicabilityofclaimedIntellectualPropertyRights,whetherassertedbyITUmembersorothersoutsideoftheRecommendationdevelopmentprocess.AsofthedateofapprovalofthisRecommendation,ITUhadnotreceivednoticeofintellectualproperty,protectedbypatents,whichmayberequiredtoimplementthisRecommendation.However,implementorsarecautionedthatthismaynotrepresentthelatestinformationandarethereforestronglyurgedtoconsulttheTSBpatentdatabase.
ITU2001Allrightsreserved.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromITU.ITU-TJ.143(05/2000)iiiCONTENTSPage1Scope...........................................................................................................................12References...................................................................................................................12.1NormativeReferences.................................................................................................12.2InformativeReferences...............................................................................................13Terms,definitionsandacronyms................................................................................14Userrequirements.......................................................................................................24.1Accuracyofperceptualvideoqualitymeasurements..................................................24.2Availabilityoftheinput/referencevideosignal..........................................................24.3In-serviceoperation.....................................................................................................24.4Potentialapplicationsandrelatedconsiderations.......................................................24.5Standardizationandproprietarysolutions..................................................................35Objectivemeasurementofperceptualvideoquality...................................................3AppendixI−Measurementmethodology.........................................................................