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HDMISPEC&HDMICable制程低压差分信号传输:LVDS（LowVoltageDifferentialSignaling)笔记本和液晶显示器内部用于连接驱动模块和屏幕面板常用内部界面外部界面电视上常用︰RF（射频）、Composite（复合视频）、S-Video（S端子）、Component（色差端子）回顾当前显示领域的多种界面外部界面RF界面Composite界面S端子色差端子端子回顾当前显示领域的多种界面外部界面PC常用︰VGA、DVI、IEEE1394回顾当前显示领域的多种界面这些界面大多是随着时代进步而不断更新的产物，种类过于繁多，且规范各不统一。随着显示器件的分辨率不断提升，彩色深度不断提升，对于传输驱动信号的界面要求也不断提升，以上这些界面技术已经无法满足需求.HMDI的诞生HDMI，英文全称是HighDefinitionMultimediaInterface，中文名称是高清晰多媒体界面的缩写。2002年4月，日立、松下、飞利浦、新力、汤姆逊、东芝和SiliconImage七家公司联合组成HDMI组织，随后发行HDMI标准:2002/12/09V1.02004/05/20V1.12005/08/22V1.22005/12/14V1.2a2006/06/22V1.32006/11/10V1.3a2007/03/26V1.3b2010/03/04V1.4aHMDIVersionHistoryHDMI1.0HDMI1.1HDMI1.2HDMI1.3HDMI1.3aHDMI1.3bHDMI1.4/1.4aInitialSpecificationAddedsupportforDVDAudioAddedsupportIncreasesbandwidthto10.2Gbps(340Mhz)修改CableandSink的HDMICType接头主要是修改HDMI测试规格(HDMITestingspecification),而HDMISpecification依然是HDMI1.3a。所以第一次出现当时的主要的HDMISpecification跟测试规格(HDMITestingspecification)是不同版本的情况发生。HDMIEthernetChannel–Addshigh-speednetworkingtoanHDMIlink,allowinguserstotakefulladvantageoftheirIP-enableddeviceswithoutaseparateEthernetcable.(more)forSACDAudioPermittedPCapplicationstouseonlyRGBcolorspaceOfferssupportfor16-bitcolor,increasedrefreshrates(ex.120Hz),supportfor1440p/WQXGAresolutionsSourceterminationrecommendationHDMITestingspecification1.3b修改部分：AudioReturnChannel–AllowsanHDMI-connectedTVwithabuilt-intunertosendaudiodataupstreamtoasurroundaudiosystem,eliminatingtheneedforaseparateaudiocable.(more)Supportedlow-voltage(AC-coupledsources)inPCsSupportsxvYCCcolorspacestandard移除上升时间(risetime)和下降时间(falltime)的最高最低限制1.3b2007/03/26ModificationstoTEoverviewandpolicydescription(4.1),AdditionofAgilentTDRtoRecommendedTE(4.2.1.11),Clarificationoftentativecableemulators(4.2.1.17)3D–Definesinput/outputprotocolsformajor3Dvideoformats,pavingthewayfortrue3Dgamingand3Dhometheaterapplications.(more)Addsminiconnector改变CEC电容限制Jittertolerancetestchanges(8-7),AddedcabletestsforTMDS_CLOCKchannel(5-3),NewVLtriggering(7-2)4KSupport–Enablesvideoresolutionsfarbeyond1080p,supportingnext-generationdisplaysthatwillrivaltheDigitalCinemasystemsusedinmanycommercialmovietheatres.(more)AddssupportforDolbyTrueHDandDTS-HDMasterAudiostandards澄清RGB影像量化范围EditorialandclarificationsonCECLineDegradation(7-15,8-14),Addedtestingofadditionalsource-supportedDeepColorformats(7-34,)AdditionalHDMIVSDBEDIDchecks(8-3)ContentType–Real-timesignalingofcontenttypesbetweendisplayandsourcedevices,enablingaTVtooptimizepicturesettingsbasedoncontenttype(more)增加CEC指令关于时间及声音控制AdditionalTTCusage(5-3,8-5,8-6,8-7),IncorporatedTek-recommendedsetupandcalibrationforTDR(8-8),ClarificationonSinkDeepColorRecommendedTestMethod(8-25)AdditionalColorSpaces–Addssupportforadditionalcolormodelsusedindigitalphotographyandcomputergraphics.(more)同时Released认证的测试规格文件AddedlongcableorcableemulatoruseforRepeatertest(9-3),Addedcolor-depthsforeachformatinSource_Video_Formats(App.3),Removedtestforfillerbytes(8-3),RemovedTektronixpartnumberofcableemulatorEFF-HDMI-CE-01HDMIMicroConnector–Anew,smallerconnectorforphonesandotherportabledevices,supportingvideoresolutionsupto1080p.(more)AutomotiveConnectionSystem–Newcablesandconnectorsforautomotivevideosystems,designedtomeettheuniquedemandsofthemotoringenvironmentwhiledeliveringtrueHDquality.(more)HMDIVersionComparisonHDMIversion1.0-1.2a1.31.4Maximumclockrate(MHz)165340340[51]MaximumTMDSthroughputperchannel(Gbit/s)1.653.43.4MaximumtotalTMDSthroughput(Gbit/s)4.9510.210.2Maximumvideothroughput(Gbit/s)3.968.168.16Maximumaudiothroughput(Mbit/s)36.8636.8636.86Maximumcolordepth(bit/px)2448[A]48Maximumresolutionoversinglelinkat24-bit/px[B]1920×1200p602560×1600p754096×2160p24Maximumresolutionoversinglelinkat30-bit/px[C]N/A2560×1600p604096×2160p24Maximumresolutionoversinglelinkat36-bit/px[D]N/A1920×1200p754096×2160p24Maximumresolutionoversinglelinkat48-bit/px[E]N/A1920×1200p601920×1200p60HMDIVersionComparisonHDMIversion11.11.21.31.3a1.4[51]1.2a1.3b1.3b11.3csRGBYesYesYesYesYesYesYCbCrYesYesYesYesYesYes8channelLPCM,192kHz,24bitaudiocapabilityYesYesYesYesYesYesBlu-rayDiscandHDDVDvideoandaudioatfullresolution[F]YesYesYesYesYesYesConsumerElectronicControl(CEC)[G]YesYesYesYesYesYesDVD-AudiosupportNoYesYesYesYesYesSuperAudioCD(DSD)support[H]NoNoYesYesYesYesDeepColorNoNoNoYesYesYesxvYCCNoNoNoYesYesYesAutolip-syncNoNoNoYesYesYesDolbyTrueHDbitstreamcapableNoNoNoYesYesYesDTS-HDMasterAudiobitstreamcapableNoNoNoYesYesYesUpdatedlistofCECcommands[I]NoNoNoNoYesYes3DOverHDMINoNoNoNoNoYesEthernetChannelNoNoNoNoNoYesAudioReturnChannelNoNoNoNoNoYes4k×2kResolutionSupportNoNoNoNoNoYesHMDI1.4新特性HDMIEthernetChannelAddshigh-speednetworkingtoanHDMIlink,allowinguserstotakefulladvantageoftheirIP-enableddeviceswithoutaseparateEthernetcable.AudioReturnChannelAllowsanHDMI-connectedTVwithabuilt-intunertosendaudiodataupstreamtoasurroundaudiosystem,eliminatingtheneedforaseparateaudiocable.HMDI1.4新特性4KSupportEnablesvideoresolutionsfarbeyond1080p,supportingnext-generationdisplaysthatwillrivaltheDigitalCinemasystemsusedinmanycommercialmovietheatres.3DDefinesinput/outputprotoco