USSBts服务器
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HomeServer/NetworkSystemstowardDigitalBroadcastingKeiichiMurakamiFUJITSULaboratoriesTA8/TC100/IECTC100:Audio,videoandmultimediaequipmentandsystemsChairmanSecretariatAGSAGMTAGMTProjectTechnicalArea:correspondstoSCGeneralMaintenanceTeamAdvisoryGrouponStrategyAdvisoryGrouponMngmntTC100(Establishedin1995)TA1:Terminalsforaudio,videoanddataservicesTA2:ColourmeasurementandmanagementTA4:DigitalsysteminterfacesandprotocolsTA5:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesTA6:Higherdataratestoragemedia,datastructuresandequipmentTA7:Moderatedataratestoragemedia,equipmentandsystemsTA8:MultimediahomeserversystemsTitleofeachTATA8:MultimediahomeserversystemsEstablishedinMay,2002Background:GrowingTerrestrialDigitalTVBroadcastGrowingPVR(PrivateVideoRecorder)Homeserver-basedBroadcastServiceIntroductionActivitiesuptonow:UConceptualModelofHomeserverDF-basedremovablerecordingformatAPIforremovablemediaDRM(Newlystarted)Homeserver-basedBroadcastServicesStorecontentsinalargecapacitystorageAccesscontrolatthetimeaccessingthestoredcontents,includingDRMSophisticatedservicesusingMetaData,EPG,and/oruplinkaccesschannelCable/DSL/FTTHDigitalTVBroadcastServerISPServerHomeServerTA8'sHomeserverConceptualModelHeadEndIn-houseNetworkIFInterchangeableStorageMediaPortUserIFFunctionalModulesCNTRLCNTRLCNTRLCNTRLHighCapacityStorageCNTRLContentsCNTRLAPIDigitalTVServicesinUSSatellite:'94-DirecTV,USSBTerrestrial:'98-topfour&PBSATSC(Terrestrial)18videoformatincludingSD&HDDASE:multimediabroadcastingusingXHTML,CSS,JavaAnti-piracymechanism(FCC,'05-)Broadcastflag,noencryptionPrivatecopywillnotberestrictedDigitalTVServicesinEuropeSatellite:'96-Germany,France,'98-GBRTerrestrial:'98-GBR,'99-Sweden,…DVB-S(Satellite),DVB-T(Terrestrial)VideoformatisnotprovidedMainlySDTVisavailabletoday.
EPG,Serviceinformation(DVB-SI)Conditionalaccess(DVB-CI)Multimediamiddleware(DVB-MHP)DigitalTVServicesinJAPAN1996-Satellite2003-TerrestrialISDB-S(Satellite),ISDB-T(Terrestrial)HDTVorSDTVmultiprogramBMLDataBroadcastingBidirectionalservicesviatheinternetContentsprotectionbyB-CAS('04-)EncryptcontentsRestrictcopyuptoonceStopofAnalogTVAthensOlympicWorldCupInGermanyWorldCupBeijingOlympicRoadmapforDiffusionofTerrestrialDTVsetinJAPAN'04'05'06'07'08'09'10'11%1008060402010,000,000households24,000,000households48,000,000householdsPercentageofhouseholdsowningDTVsetIssuestobeSolvedforDTV-ReasonableCopyProtection-HeavyrestrictionsinJapanNoduplication:only"move"allowedContentsonaremovablemediaplayableonlyonauthorizedplayersLightweightrestrictionsinU.
S.
BroadcastflagpermitsfairusecopyExampleofCopyProtectionRegulationforPCinJapanTunerDecryptBroadcastedDataLocalEncryptionPCIBusStorageLocalDecryptionVideoCardNoRawDataonthePCIBus(UserAccessibleBus)DisplayMPEG-2/4IPMP:OutlineInternationalStandardforIntellectualPropertyManagement&ProtectionforMPEGAudioVisualcontentsBasicconceptisanarchitectureforsecurecoordinationframeworkforIPMPtools.
VariousCA/DRMtools(Authentication,Encryption/Decryption,Watermarking,etc.
)canbeappliedToolsaremanagedviaIPMPControlGraphandhandledasBlackbox.
MPEG-2/4IPMP:StatusNotwidelyusedincurrentmassmarketMarketsinwhichMPEG-2/4AVcontentsarewidelyusedalreadyhaveitsownsimpleCA/DRMrelatedmechanism.
DVDDigitalBroadcastAVclipfor3GmobilephoneReasonableDRMimplementationexamplerequiredtoenlargemarketsizeandtoreduceequipmentcostTC100activitiesHomeNetwork:HistoryAccessnetwork:ExternalPSTNmodemInternalPSTNmodemExternalADSLmodem/FTTHconverterInternalADSLmodemHowaboutFTTHconverterCablemodem:stayindependentlyIn-housenetwork:Nopracticalnetworkathomeuntilrecently:-1394:replacementofRCApinjackVeryfewWLANaudiostreamingVeryfewmodem/printer/storagesharingThesituationischangingEmergenceofNetworkMediaPlayer-FirstPracticalHomenetworkDevice-WLAN/EthernetAnalogA/VCableNetworkMediaPlayerWithMPEGDecoderAccessNetworkTR62291:APIforUDFbasedfilesystemsTS62318:HomeserverconceptualmodelP62328:Interchangeablevolume/filestructureadaptationforbroadcastingreceiverPT61925:ThevocabularyofhomeserverTA8activities(1)TA8activities(2)Interchangeablevolume/filestructureadaptationforbroadcastingreceiversThisstandarddefinesthevolumeandfilestructurerequiredforinterchangingmultimediadataofahomeserver/broadcastingreceiver,whichconsistsofanAVstreamwithmultipleassociatedobjects.
Part1:GeneraldescriptionandarchitecturePart2:GeneralrecordingstructurePart3:Broadcastingsystemspecificrecordingstructure-ISDBSpecificationsforothercountry/regionareexpectedtobeproposed.
TA8activities(3)Interchangeablevolume/filestructureadaptationforbroadcastingreceivers(continued)RootTVR_ROOTRT_TVRSTVPR010PROG_SETMGREXT_PS.
MGRPROG0001.
PIFPROG0002.
PIFTVPR020PROG0001.
PIFPROG0002.
PIFdirectoryfile(includingstreamfiles)otherstructurerootdirectoryforTVrecordingformatprogramsetmanagementfileextendedprogramsetmanagementfileTVrecordingformatspecificdirectoryTC100LiaisonAES(AudioEngineeringSociety)ITU-R/SG6M,6QITU-T/SG9,12,16JTC1/SC29(MultimediaCoding)SMPTE(SocietyofMotionPictureandTelevisionEngineers)1394TAISO/TC42(Photography)ClosingRemarksHomeserver/network-relatedTC100activitieswereintroduced.
PCisnowleadingthehomenetworkwithnetworkmediaplayer.
Broadcastingservicesbasedonhomeserverwilldrivegatewayfunctionbetweenin-housenetworkandaccessnetwork.
DRMisthekeyissueforA/Vnetworkdeployment.
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