HDMI 接口设备与线缆技术简介

HDMI接口设备与线缆技术简介HDMIMembersHDMISwitchHDMIRepeaterHDMISplitterHDMI&DVIAdaptorsCable

HDMItoHDMI,(Economictype)HDMItoHDMIwithWeaveHDMItoHDMIwithWeave&Strip

HDMItoDVI,(Economictype)WallPlatesHDMISwitch

HDMISwitchisastandardSwitchthatmeetsHDMI1.1and1.2Specification.ItallowsaccesstomultipleHDMIdevices,suchasDVDplayersandSatelliteSet-topboxestooneHDMIdisplay.HDMIisthebestchoiceforhometheatersystemsanddualcomputerusers.NomoreoperationofmanuallypluggingindifferentHDMIconnectorsinneededtoviewdifferentHDMIsources.HDMISwitchModelsHDMI2X1SWITCH9VPoweradapterIRRemotecontrolUserManualGiftBoxHDMI4X1SWITCH9VPoweradapterIRRemotecontrolUserManualGiftBox

SwitchFeaturesTwo/FourinputoneoutputHDMIsourceswitchandrepeaterHDMIATCcompliancecertifiedMax.CompatibilitywithalltypesofHDMIandDVIdevicesInputandoutputcablelengthcapabilityto50ft.(15m)eachDoublesasacableextenderforlongcablelengths-upto100ft(30M)Dimensions:165mmW*70mmD*25mmHPowerrequirements:100-240VAC,50/60Hz,4WMax.operating,1WMaximumStandbyFullproductsafetycompliancetestedandcertifiedComprehensiveautomationsystemcontrolviaIRRemoteandIntegratedIRremotecontrolstorageSwitchesHDMI,HDMI/HDCPDVI,andDVI/HDCPbetweenanydeviceortype-DVD,PC,STB,HDTV,AVReceiverHDMIRepeaterIntroduction:

TheHDMIrepeaterextendsthelengthofanyHDMIcablebyregeneratingtheHDCP-compliantdigitalvideosignalbeforeitoutputstothedigitaldisplayorprojector.ItenablesyoutorelocateyourDVDplayerorsatellitereceivertoasafe,quietandclutter-freeenvironmentandeliminatenoiseinyouhometheaterorviewingenvironment.Howtoworks:PlaceyourdigitaldisplayasfarasyouneedittogobyusingHDMIcablestoandfromtheHDMIRepeater.TheHDMIRepeaterisconnectedwithaHDMI(maletomale)cablefromtheHDMIDevisetoHDMIRepeaterinput.TheHDMIRepeateroutputusesasecondHDMI(maletomale)cabletogofromtheoutputtoanydigitaldisplaywithaHDMIconnector.ModelsHD-RE01HDMIRepeaterwithadapter1Input1OutputHD-REM01MinitypeHDMIrepeaterw/oadapter1input1outputRepeaterFeaturesPerfectsdigitalvideosentoverlongstretchesofHDMIcablesExtendsDigitaldisplaysawayfromtheHDTVsourceMaintainsmultiplehighdefinitionresolutionsupto1080por1920×1200forcomputersAllowsyoutocustomizetheHDMIcableto30M(withoutDCpowersupply),minitypew/oDCpowersupply.AllowsyoutocustomizetheHDMIcableto50M(withDCpowersupply)SupportsDDWGstandardsforHDMIcompliantmonitorsHDCPCompliantInstallsinsecondsHDMISplitterTheHDMISplitterisadistributionhubthatsendsthesameA/Vsignaloutputtotwo,fouroreightHDVIdigitalscreens.Itisaflexiblesolutiontoaccommodatemultipledisplays.TheHDMISplitterofferssolutionsforHomeTheaterinformationdistributionalinstallation,Conferenceroompresentationandcorporatetrainingenvironment.Features:SplitstheHDMIsignaltotwoHDMIdisplays(HDMI-SP-122QL)SplitstheHDMIsignaltofourHDMIdisplays(HDMI-SP-124QL)ConnectstwoormoreHDMIdisplaysatthesametimetothesamevideosourceSupports480i,480p,720p,1080iand1080presolutionHDMISpecification1.2CompliantDVISpecification1.0compliantSupportsHDCPCompliantdevicesLowcostsolutionforA/VequipmentintegrationPlug-and-play,InstallsinsecondsSplitterModels

ItemNo.DescriptionSP-1221xHDMIinput,2xHDMIoutputsdistributionamplifier,fullHD1080SP-1241xHDMIinput,4xHDMIoutputsdistributionamplifier,fullHD1080SP-1281xHDMIinput,8xHDMIoutputsdistributionamplifier,fullHD1080SP-2282xHDMIinput(switch),8xHDMIoutputsdistributionamplifierfullHD1080SP-4284xHDMIinput(switch),8xHDMIoutputsdistributionamplifierfullHD1080HDMI&DVIAdaptor(1)HP-DJHDMIPlugToDVI-DJackAdaptor

GoldplatedHJ-DPHDMIJackToDVI-DPlugAdaptor,GoldplatedHDMI&DVIAdaptor(2)

HMDF-OC:DVI-DFemaletoHDMI-AMaleadaptorwithgoldPlatedconnector.Withsilverwhitecolorplating.RightAngleDVIM/VGAF:DVImaletoVGAfemalesuperslimandcompactwithgoldplatedconnectorHFHF-CA:HDMIFemaletoFemalefullyshieldedadaptorblackcolorcaseDVIM/F-90A:DVI-ItoDVI-D90degreeL-shapeconverterwithgoldplatedconnector

HDMICables(1)

HDMIINTERFACECABLESHDMIPLUGTOHDMIPLUG,GOLDPLATED,NYCABLE, 2,3,4,5,6,8,10,15MeterLengths

HDMIBlisterPackedWEAVE/*M/BLRHDMIPLUGTOHDMIPLUG,GOLDPLATED,BLACKCOLOR,BlisterpackHDMICables(2)

HDMI-1021/G/BKWEAVE/*M/BLR

HDMIPLUGTOHDMIPLUG,GOLD

PLATED,BLACKCOLOROFWEAVEWITHSILVER,2M,

HDMITODVI-DPLUG(18+1),NYCABLE,EconomictypeHDMIWallPlates

HD-01:OneHDMIportwallplateHD-02

HDMIFemaletoHDMIFemale&OneRCAJackHD-03HDMIFemaletoHDMIFemale&DualRCAJackHD-04HDMIFemaletoHDMIFemale&TripleRCAJackIntroductionHDMIisacompactaudio/videointerfacefortransmittingdigitaldata.HDMIcommunicationchannelsHDMIhasthreephysicallyseparatecommunicationchannels,whicharetheDDC,TMDS,andtheoptionalCECTheHDMIcableandconnectorscarryfourdifferentialpairsthatmakeuptheTMDSdataandclockchannels.Audio,videoandauxiliarydataistransmittedacrossthethreeTMDSdatachannels.ATMDSclock,typicallyrunningatthevideopixelrate,istransmittedontheTMDSclockchannelHDMIcommunicationchannelscontd..HDMIcarriesaVESADDCchannel.TheDDCisusedforconfigurationandstatusexchangebetweenasingletransmitterandasinglereceiver.TheDDCisusedbythetransmittertoreadthereceiver’sEnhancedExtendedDisplayIdentificationData(E-EDID)inordertodiscoverthereceiver’sconfigurationandcapabilities.TheoptionalCECprotocolprovideshigh-levelcontrolfunctionsbetweenallofthevariousaudiovisualproductsinauser’senvironment.HDMIconnectorThereare3TypesofHDMIconnector,TypeA,BandC.AllthreeconnectorscarryallrequiredHDMIsignals,includingaTMDSlink.TheTypeBconnectorisslightlylargerandcarriesasecondTMDSlink,whichisnecessarytosupportveryhighresolutiondisplaysusingduallink.TheTypeCconnectorcarriesthesamesignalsastheTypeAbutismorecompactandintendedformobileapplications.TheHDMIconnectorprovidesapinallowingthetransmittertosupply+5.0Voltstothecableandreceiver.AllHDMItransmittersshallassertthe+5VPowersignalwheneverthetransmitterisusingtheDDCorTMDSsignalsHDMILinkTheHDMIlinkoperatesinoneofthreemodes:VideoDataPeriod-theactivepixelsofanactivevideolinearetransmittedDataIslandperiod-audioandauxiliarydataaretransmittedusingaseriesofpackets.ThisauxiliarydataincludesInfoFramesandotherdatadescribingtheactiveaudioorvideostreamordescribingthetransmitter.Controlperiod-Itisusedwhennovideo,audio,orauxiliarydataneedstobetransmitted.Itisrequiredbetweenanytwoperiodsthatarenotcontrolperiods.VideoDataonHDMIVideodatacanhaveapixelsizeof24,30,36or48bits.Colordepthsgreaterthan24bitsaredefinedtobe“DeepColor”modes.Videoatthedefault24-bitcolordepthiscarriedataTMDSclockrateequaltothepixelclockrate.VideoPixelsVideoDataCodingissuchthatthe8bitsconvertedto10bitsbyHDMItransmitter.ThevideopixelscanbeencodedineitherRGB,YCBCR4:4:4orYCBCR4:2:2formats.DeepColormodesareoptionalthoughifanHDMItransmitterorreceiversupportsanyDeepColormode*,itshallsupport36-bitmode.AVIInfoframeAnInfoFramepacketcarriesoneInfoFrame.TheInfoFrameprovidedbyHDMIislimitedto30bytesplusachecksumbyte.HDMItransmittershallalwaystransmitanAVIInfoFrameatleastoncepertwovideofieldsifthetransmittersupports.TheAVIInfoFrameshallbetransmittedevenwhilesuchatransmitteristransmittingRGBandnonpixel-repeatedvideo.ForAVIinfoframeformatrefer:Section8.2inHDMI1.3specification

EDID

Extendeddisplayidentificationdata

HDMItransmittershallreadtheEDIDandfirstCEAExtensiontodeterminethecapabilitiessupportedbythereceiver.HDMItransmittershallchecktheE-EDIDforthepresenceofanHDMIVendorSpecificDataBlockwithinthefirstCEAExtensiontodeterminewhetheritisanHDMI/DVIdevice.Allthereceiversupports640*480Pvideoformatbydefault.FordetailedinformationonEDIDformatreferto

/wiki/Extended_display_identification_dataHot-PlugdetectAnHDMIreceivershallasserthighvoltagelevelonitsHotPlugDetectpinwhentheE-EDIDisavailableforreading.HDMIreceivershallindicateanychangetothecontentsoftheE-EDIDbydrivingalowvoltagelevelpulseontheHotPlugDetectpin.CodeflowinOMAP4hdmi_init-ItiscalledduringbootupduringtheDSSprobealongwithotherblockslikedispc,dsi,dpietc.ThisregisterstheHDMIdrivertoDSSandregistersHDMIIRQhandler.hdmi_exit–Calledfromomapdss_remove,itwillfreeIRQhandler.Callflowwhenecho1>sys/devices/platform/omapdss/display*/enabledIscalledhdmi_enable_displayDoestheGPIOconfigurationforDDCandhot-plugdetectlevelshifter(GPIO60and41).Enableddssclk->hdmi_enable_clocksReadsEDIDbycallinghdmi_read_edidtodetermine