ITU-T J.123 (07 2002) (英) Multiplexing format for webcasting ……

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1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TJ.123TELECOMMUNICATION(07/2002)STANDARDIZATIONSECTOROFITUSERIESJ:CABLENETWORKSANDTRANSMISSIONOFTELEVISION,SOUNDPROGRAMMEANDOTHERMULTIMEDIASIGNALSInteractivesystemsfordigitaltelevisiondistributionMultiplexingformatforwebcastingontheTCP/I

2、PnetworkITU-TRecommendationJ.123ITU-TJ-SERIESRECOMMENDATIONSCABLENETWORKSANDTRANSMISSIONOFTELEVISION,SOUNDPROGRAMMEANDOTHERMULTIMEDIASIGNALSGeneralRecommendationsJ.1–J.9Generalspecificationsforanaloguesound-programmetransmissionJ.10–J.19Performancecharacteristicsofanaloguesou

3、nd-programmecircuitsJ.20–J.29Equipmentandlinesusedforanaloguesound-programmecircuitsJ.30–J.39Digitalencodersforanaloguesound-programmesignalsJ.40–J.49Digitaltransmissionofsound-programmesignalsJ.50–J.59CircuitsforanaloguetelevisiontransmissionJ.60–J.69Analoguetelevisiontransm

4、issionovermetalliclinesandinterconnectionwithradio-relaylinksJ.70–J.79DigitaltransmissionoftelevisionsignalsJ.80–J.89AncillarydigitalservicesfortelevisiontransmissionJ.90–J.99OperationalrequirementsandmethodsfortelevisiontransmissionJ.100–J.109Interactivesystemsfordigitaltele

5、visiondistributionJ.110–J.129TransportofMPEG-2signalsonpacketisednetworksJ.130–J.139MeasurementofthequalityofserviceJ.140–J.149DigitaltelevisiondistributionthroughlocalsubscribernetworksJ.150–J.159IPCablecomJ.160–J.179MiscellaneousJ.180–J.199ApplicationforInteractiveDigitalTe

6、levisionJ.200–J.209Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TRecommendationJ.123MultiplexingformatforwebcastingontheTCP/IPnetworkSummaryThisRecommendationprovidesamultiplexingformatappropriateforaudioandvideotransmissionbydownload-basedprotocoloverTCP/

7、IPwithoutanysessioncontrolprotocolsbetweenserverandclient.However,whensessioncontrolprotocolsarenotused,somenecessaryinformationshouldbeaddedtothemediadata.Therefore,thisRecommendationdefinesamultiplexingformatparticulartowebcastingontheTCP/IP.Thisformatcarriesmetadata,digita

8、lrightsmanagement(DRM)informationandformattedtextaswellasaudioandvid