1、 52591200612004/276 27 2002 . 184- , 1.02004 . 1 - ( )2 3 - 22 2006 . 261-4 (ETSI): EN 301 192 v.12.1 (1999)5 , - . - () . , , 2007 , - - II 5259120061 12 13 14 .25 .35.1 .35.2 - .45.3 - .55.4 - .75.5 - 85.6 - .8 .9III 525912006 - . - , , - ( - -) ETSI.IV 525912006 Digital television format users da
2、ta broadcasting system. Basic parameters 200701011 , . .2 : 522102004 . 1765779 . 2267077 . - - - , 1 , , . (), - () . , , , , .3 17657, 22670 52210, :3.1 : , - -, - -.3.2 : , .3.3 : , , .3.4 : , .3.5 : .3.6 ; PID (Packet Identifier): 13- MPEG-2, - .3.7 : , (, ).1 525912006 3.8 -: , .3.9 : .3.10 ( )
3、: , ; PID 8191(0x1FFF).3.11 : , , .3.12 : .3.13 : , .3.14 : , - .3.15 ; ( Program Association Table): , - .3.16 -: 48- .3.17 ( Program Map Table): , .3.18 : MPEG-2 , - , .3.19 PID: , , (PID).4 :ASI (Asynchronous Serial Interface) ;ATM (Asynchronous Transfer Mode) , (-, ), - 53 ;Broadcast ; (Conditio
4、nal Access Table) ;DVB (Digital Video Broadcasting) ;DVB-C (Digital Video Broadcasting by Cable) - ;DVB-S (Digital Video Broadcasting by Satellite) ;DVB-T (Digital Video Broadcasting By Terrestrial) - ;G.703 -, - ;IEC (International Electrotechnical Commission) ();IP (Internet (Internetwork) Protoco
5、l) ( 32- , , ,);ISO (International Standards Organization) ();ITU (International Telecommunication Union) ();ITU-R ;ITU-T ;PAT (Program Association Table) , , - , , ;2 525912006PES (Packetized Elementary Stream) , ;PID (Packet Identifier) 13- -MPEG-2,;PMT (Program Map Table) , ;PSI (Program Specific
6、 Information) - ;SI (Service Information) DVB; ();Stuffing ;ST (Stuffing Table) . , ;TCP (Transmission Control Protocol) .5 5.1 EN 301 192 1 (Data piping) (Multiprotocol Encapsulation).5.1.1 (EN 301 192, 4) -.5.1.1.1 -.5.1.1.2 data_broadcast_descriptor EN 300 468 2.5.1.1.3 component_tag.5.1.1.4 Data
7、_broadcast_descriptor :- Data_broadcast_id 00001;- Selector_length 0.5.1.2 (EN 301 192, 7) - -.5.1.2.1 ( TCP/IP) MPEG-2.5.1.2.2 , , stream_type_descriptor, - SDT (Service Description Table), EIT (EventInformation Table).5.1.2.3 - , ISO/IEC 13818-6 3 (DSM-CC).5.1.2.4 DSM-CC 4086 , - .5.1.2.5 IP - .5.
8、1.2.6 data_broadcast_descriptors EN 300 468 2 ETR 162 4.5.1.2.7 component_tag stream_identifier_descriptor 2, PMI PSI .5.1.2.8 data_broadcast_descriptor :- Data_broadcast_id 00005 ;3 525912006- Component_tag , component_tag stream_identifier_descriptor , ;- Selector_length 002;- Selector_byte -multiprotocol_encapsulation_info,6EN301192,7.2.11.5.1.2.9 PMT stream_type , , 0x0D , (ISO/IEC 13818-6 3).5.2 , -.5.2.1 , 1.5.2.1.1 .5.2.1.2 , .5.2.1.3 - .5.2.1.4 .4 525912006 1
