SiliconImage的HDMI多媒体接口概述

EnablingDigitalHomeMediaDistributionWithStevanEidsonDirectorofProductMarketing2MassiveTransitiontoDigitalAnalogVoiceCellularMoviesVHSMusicLPBroadcastTVImagesFilmDigitalQualityFlexibilityCostDigitalDVDCDMP3DTVHDTVDigitalCamera3DigitalContentDrivesNewBusinessContentDistributionDevicesConsumersDigitalContentRevenueOpportunities4ContentProviderRequirementsContentDigitalContentRevenueOpportunities•NewrevenuefromsaleofvaluableHDcontent•Protectionagainstunauthorizedredistribution(e.g.,“Napsterization”)ofcontent•Profitsprotectedtoallowinvestmentincreatingnewcontent5ConsumerRequirementsConsumersDigitalContentRevenueOpportunities•Highestquality,all-digitalhomeentertainmentexperience•High-definitiondigitalvideo•Multi-channeldigitalaudio•Simplecabling•Low-cost6HDMI/HDCPistheSolutionContentConsumersDigitalContentRevenueOpportunitiesHDCP7FeaturesRequiredForBroadCEAdoption–Smallconnector–YUVcolorspacesupport–Digitalaudiosupport–Improvedintelligence(two-waycommunication)HDMI:High-DefinitionMultimediaInterfaceThefirstandonlydigitalinterfaceforConsumerElectronicsthatcancarry:–Uncompressedhigh-definitionvideo–Compressedoruncompressedmulti-channelaudio–Intelligentformat&commanddata8Developers&SupportersHDMImeetsthespecificneedsoftheCEmarket&enablesPCconvergenceHasbroadsupportfromContentProviders,ContentDistributorsandCEmanufacturers9UpdateAdopters–Over300-notincludingFoundersMixofcable/connector,semiconductor,systemandtestequipmentvendors–SeeProducts–Over600HDMI-enabledproductsannouncedoravailablethroughretailers10StandardsRequireHDMIDVDCopyControlAssociation(forDVDPlayers)–HDCP(overDVIorHDMIinterface)approvedforDigitalOutputforCSSProtectedContent–Contentinresolutions480panalogoutputmustbeturnedOFFU.S.FederalCommunicationsCommission–DigitalCable“plugandplay”regulationrequiresHDMI(orDVI)onDTVsandHDSTBs(phasedinthrough2007)–DigitalTerrestrial“BroadcastFlag”regulationstipulatesHDMI(orDVI)asonlyauthorizedbasebanddigitalinterfaceonCEdevicesEurope–EuropeanHDForumspecifiesHDMIforHDTV–EICTArequiresHDMIforHDSTBs11HDMISTBMarketForecast010000200003000040000500006000070000Units(1000s)200420052006200720082009STBShipments&ForecastHDMISAMTAMSTBForecast(KUnits)200420052006200720082009TAM375704227048300538006084067740HDMISAM9.3%14.1%26.3%41.4%48.7%55.4%3483594312682222482962237516Source:IDC,SIMG12HDMIDVDMarketForecastSource:IDC,SIMG050000100000150000200000250000Units(1000s)200420052006200720082009DVDShipments&ForecastHDMISAMTAMDVDForecast(KUnits)200420052006200720082009TAM123320150360173200184390191860201051HDMISAM0.6%1.2%2.4%4.8%9.6%15.4%716178841368890183383089913HDMIDTVMarketForecastSource:IDC,SIMG020000400006000080000100000120000140000Units(1000s)200420052006200720082009DigitalTelevisionShipments&ForecastHDMISAMTAMDigitalTelevisionForecast200420052006200720082009TAM21386361395556883121118032134931HDMISAM20.0%35.0%43.0%50.0%56.0%61.0%4277126492389441561660988230814HDMISinkDeviceHDMISourceDeviceHDMITransmitterEDIDROMBlockDiagramVideoAudioControl/StatusTMDSChannel0TMDSChannel1TMDSChannel2TMDSClockChannelHDMIReceiverVideoAudioControl/StatusDisplayDataChannel(DDC)CEControl(CEC)SingleCableVideoAudioInfoPacketsSupportedAudio&VideoFormatsCEControl15VideoFormatsHDMIexplicitlyspecifiesacompletelistofDTVVideoformats–DefinedinEIA/CEA-861B–SDTV(NTSC/PAL),EDTV&HDTV–Interlaced480ito1080i–Progressive480pto1080pHDMIalsoallowsanyothervideoformat–PCformats:VGA,SVGA,XGA…UXGA–WidePCformats(commononPlasmamonitors)–AnyotherVESA-definedorvendor-definedformat16AudioFormatsHDMIsupportsacompleterangeofAudioformatsCompressedformats–DolbyDigital,DolbyDigitalEX,DTS,DTSES,…Uncompressedaudio–Upto8channels,upto192kHz,upto24bits–DVDAudioandSACDsupportedCD-qualityaudiois“baselevel”andwillalwaysbeavailableonanyaudio-capableproduct–2-channel,16-bitat32,44.1or48kHz17Audio&VideoFormatIntelligenceSourcedevicereceivesthedisplay’ssupportedaudio/videoformatsSinkdevicereceivesaudio/videoformatinfooneveryframeDVD:WidescreenFormat16:9Displayw/noIntelligence16:9DisplaywithIntelligence18PressPlayonDVDAutomatically…TurnsonA/VRcvrAutomatically…TurnsonTVAutomatically…Switchestocorrectinput(fromDVDplayer)Automatically…Switchestocorrectinput(fromA/VReceiver)Andthen…PlaysDVDHDMIConsumerElectronicsControlAllowsusertocontrolallHDMIdeviceswithTVremote–CancontrolDVDplayerbypointingremoteattheTVEnableshigh-levelfunctionssuchas“one-touchplay”:19FeatureComparisonComponentVideoDVI-HDCPHDMI-HDCPCablesNumber5–113–91Length3–5m10–15m10–15+mDigitalVideo8-bitRGB8-bitYUV10/12-bitYUVDigitalAudioCompressedUncompressedControlCEControlPCCompatibilityDVIElectricalContentProtectionHDCP20HDMI1.2UpdateReleasedAugust23,2005SuperAudioCD(One-BitAudio)AddedPCUpdates–RemovedvideoformatlimitationsonTypeAconnectorusage–RelaxedYCbCroutputrequirementforRGBdevices–RequiredSinksupportforfutureAC-coupledSourcesCEC–ClarificationonCECelectricalrequirementsOther–Clarifiedexceptionfor640x480p(VGA)declarationinEDID–LoosenedrequirementtoincludecertainDTDsinEDID21ConsumerBenefitsA