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【英文标准名称】:Internetprotocol(IP)andtransportstream(TS)basedserviceaccess
【原文标准名称】:互联网协议(IP)和基于服务访问的传输流(TS)
【标准号】:IEC62455-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-12
【实施或试行日期】:2010-12
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:可访问性;广播;编码;密码;数据保护;译码;定义(术语);数字广播;数字数据;数字工程;数字视频广播;数字视频广播(DVB);电气工程;电子工程;电子仪器;交互式的;因特网协议;IP;MPEG;多媒体;保护设备;保护措施;协议;服务;传输系统
【英文主题词】:Accessibility;Broadcasting;Coding;Cryptographic;Dataprotection;Decoding;Definitions;Digitalbroadcasting;Digitaldata;Digitalengineering;DigitalVideoBroadcast;DVB;Electricalengineering;Electronicengineering;Electronicinstruments;Interactive;InternetProtocol;IP;MPEG;Multimedia;Protectiondevices;Protectivemeasures;Protocols;Services;Transmissionsystems
【摘要】:ThisInternationalStandardspecifiestheterminalforaservicepurchaseandprotectionsystemfordigitalbroadcasts,calledthe18Cryptsystem.Itisapplicableinallcountriesandregionswithsuitablycompliantbroadcastingandmultimediadistributionsystems.Guidelinesforcompatiblebroadcastservicesaregiveninthisstandard.Theservicepurchaseandprotectionfunctionsoperateinapurebroadcastenvironmentthatmaybecombinedwithabidirectionalinteractivitychannel.Thisstandardisapplicabletothefollowingbroadcastsystems.a)IPdatacastoverDVB-HsystemsIPdatacastoverDVB-Hisanend-to-endbroadcastsystemfordeliveryofanytypeofdigitalcontentandservicesusingIP-basedmechanismsoptimizedfordeviceswithlimitationsoncomputationalresourcesandbattery.AninherentpartoftheIPdatacastsystemisthatitcomprisesaunidirectionalDVBbroadcastpaththatmaybecombinedwithabi-directionalmobile/cellularinteractivitypath.IPdatacastisthusaplatformthatcanbeusedforenablingtheconvergenceofservicesfrombroadcast/mediaandtelecommunicationsdomains(forexample,mobile/cellular).ThisstandardspecifiesservicepurchaseandprotectionforIPdatacastoverDVB-Hsystems(seeTableB.6foranoverviewofreferencestoonesuchsystem).b)DVBT/C/SsystemsDVBT/C/Ssystemsareend-to-endbroadcastsystemsforaudio/videodatathatemployanMPEG2transportstreamanduseterrestrial,cableorsatellitebroadcastnetworks.Thisstandardspecifiesasystemfortheprotectionofthesebroadcastsinapurebroadcastenvironment.Inaddition,thisstandardspecifieshowpurchasing,keymanagementandregistrationmaybecarriedoutoveranoptionalinteractivitychannel.TheprotectiontechnologiesofferedbythisstandardaredesignedtooperatewithinanexistingDVBSimulCryptenvironment(seeTableB.6foranoverviewofreferences).c)MPEG2TS-basedIPsystemsMPEG2TS-basedIPsystemsemploybi-directionalIPnetworksforthe(broadcast)deliveryofMPEG2transportstreams.Thisstandardspecifiesasystemforthepurchaseandprotectionofservicesandcontentdeliveredviathesenetworks.Thisstandardisapplicableto,forexample,DVB-IPIsystems(seeTableB.6foranoverviewofreferences).d)Non-MPEG2TS-basedIPsystemsNon-MPEG2TS-basedIPsystemsemploybi-directionalIPnetworksforthe(broadcast)deliveryofaudio/videoorotherdatausingIPprotocolsinsteadofanMPEG2transportstream.Thisstandardspecifiesasystemforthepurchaseandprotectionofservicesandcontentdeliveredviathesenetworks(seeTableB.6foranoverviewofreferences).
【中国标准分类号】:L79
【国际标准分类号】:33_170;35_100;35_240_99
【页数】:414P.;A4
【正文语种】:英语