VQEG的高清电视测试计划

TheVQEGHDTVTestPlan2OutlineIntroduction:SettingthestageHDTVSourceScenesandHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts3HDisnolongerthefuture.Itisthepresent!“NBCwillupgradetherestofthenetwork'stop-ratedlate-nightlineupintoHDTVin2005”“TheFoxnetworkisbetterpreparedtheneverforitshi-defbroadcastofSuperBowlXXXIX.”“Theswankyfutureofhotelsisabig-screenHDTVset.”“2005wouldbetheyearofhighdefinitionvideoandTV”“ShipmentsofHighDefinitiontelevisionsandset-topboxesaregainingmomentum”“HDTVcontentisincreasingrapidly”4HDstudioworkflowsaremainstream“Adobe,HP,Intel,Microsoft,andDellhavejoinedtogethertodeliveralineofopen,scalable,certifieddesktopHDVandHDsolutionstodeliveroptimalperformanceatapricepointthatisunbeatabletoday.”“JVC'sProHDinitiativerepresentsaneconomicalsolutiontogettingthestationsintotheHDproductionbusiness.Thecompanyhasproductstohelpwiththistransitionontwofronts.”5ContentacquisitionisaffordablePanasonic:TheAG-HVX200DVCPROHDP2representsthecompany'sfirstHDsolid-statehandheldcamcorder.TheAG-HVX200hastwocardslotsandrecordsin1080/60i,30pand24p;720/60p,30pand24p;andDVCPRO50,DVCPROorDV.Italsorecords480iand480ponMini-DVtapefromabuilt-indrive.AG-HVX200willcomeavailableinthefallforabout$5,995.AlecShapiro,seniorvicepresidentofSonyElectronics'BroadcastandProductionSystemsDivision,toutedtheacceptanceSony'sHDC-10001080PcameraandtheXDCAMtapelessacquisitionsystemhavefoundintheindustry.Inthehigh-endHDproductionarena,ShapironotedtheSony'sHDCAMformatisusedbyvirtually100percentofthenetworksitcomsproducedintheUnitedStates.6VieweradoptionisacceleratingMaxent(tm),announcedtheavailabilityofitsvalue-priced,high-performance26-inchWXGALCDDisplaythroughCostcoWholesalestoresnationwideataretailpriceof$1,199.HDTVskeepgettingmoreaffordable.Olevia'snew32-inchLCDHDTVhasalotoftherightingredientsforagoodlow-costHDTV.10mhomesaroundtheworldwerewatchingHDTVprogrammingonahigh-definitionTVset,accordingtoresearchfrommarketanalystsIn-Stat.Bytheendof2005,theworldwidetotaloftheseHDTVservicehouseholdsisprojectedtoreach15.5m.By2009,HDTVhouseholdsworldwideareforecasttoreach52m.HDTVservicesarecurrentlywidelyavailableinfivecountries:Australia,Canada,Japan,theUnitedStates,andSouthKorea.Nearlyhalfofallconsumersplantomaketheirnexttelevisionpurchaseahigh-definition(HDTV)televisionset,accordingtotheCEA.7TechnologybuildingblocksareinplaceBritishSkyBroadcasting(BSkyB)hasselectedThomsonasitsprimaryHDdecodersettopsupplierasitpreparestorolloutanewdigitalHDTVservicein2006.ThecompanywilluseH.264-basedadvancedvideocodingforitsHDservice.RoyalPhilipsElectronicstodayunveiledaHigh-DefinitionMultimediaInterface™(HDMI™)receiverintegratedcircuit(IC),theTDA9975A,tomeetconsumerdemandsforsuperiorimagequalityinnext-generationTVs.Thesinglecabledigitalmultimediasolutionhasarrived.High-DefinitionvideoandaudiocapabilityquietlyrolledintotheNZhomeentertainmentmarketinthelead-uptoChristmas,withthereleaseofanumberofDVDplayers,projectorsandTVsetsfromvariousmanufacturersfeaturingthenewHigh-DefinitionMultimediaInterface(HDMITM)connectivitystandard.8DifferentiationbasedonqualityisthenextstepOnHD.TVhasgeneratedinternationalattentionforourlistofthe10celebritieswholookbetterorworseincrystal-clearHigh-DefinitionTV.ThelisthasbeenfeaturedinsuchpublicationsasTheChicagoTribune,TheNationalEnquirer,TheNewYorkPostandTVshowssuchasInsideEditionandTheFoxReportWithShepardSmith.Drivingmuchofthecompany'sgrowthistheworldwidemovetoHDproduction,andThomsonhasproductsfortheacquisition,editinganddistributionofbothSDandHDcontent.Thetopofthecompany'slineintermsofimagequalityisitsViperFilmStreamdigitalcinemacamera.9HencetheneedforstandardizedmetricsToverifyandmakecredibleclaimsToobjectivelyvalidatethepromisedmediaexperience10OutlineIntroduction:SettingthestageHDTVSourceScenesandHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts11HDlandscapetodayBroadcastHead-endSet-topBoxDTHSatelliteCableDistributionIPTV12ContentacquisitionQuality:Consumer($6K),Professional($50K),Studio($110K)camerasinuse.Storage:HDV,HDCAM,DVCPRO-HDdecksareprevalent.FrameRate:24p,29.97i,30i,59.94p,60p.FrameSize:1920x1080(1080p),1920x540(1080i),1280x720(720p).13SourceScenes-CopyrightCopyrightIssuesPublicDomainShotbyVQEGMembers(putintopublicdomainorapprovedforunlimitedresearchuse)Purchasedspecificallyfortesting(e.g.,VClips)Proposal:Allscenesmusthavenon-expiringuseclauseforVQEGtestingandbeobtainablebyanyinterestedparty14SourceScenes-QualityFormats?Camera/recordingquality?Uncompressed?Mildlycompressed?ProfessionalConsumer(e.g.,SonyHVR-Z1U)?Allowingsomepercentageoflowergradematerialwillgreatlyincreaseavailablesources15SourceScenes-CharacteristicsMotion?Detail?Color?Sizeofsourcescenepool?Percentunknowntoproponents?16HRCCharacteristicsBit-rates?Coder/decoders?Errorconditions?Pre/postprocessing?Percentunknowntoproponents?17CompressionTechnologies:MPEG4-AVC,MPEG2,VC-1,DVcompression.Bitrate:8Mbps–25MbpsRateControl:Variableandconstant.RateConversion:3:2pulldown.18T