1、 . , MPEG-2 549952012 27 2002 . 184- , 1.02004 . 1 - , - - ( -)2 3 19 2012 . 359-4 - (ETSI) - . . MPEG-2(ETSI TS 101 154 V1.9.1 (2009-09) Technical Specification. Digital Video Broadcasting (DVB); Specificationfor the Use of Video and Audio Coding in Broadcasting Applications based on the MPEG-2 Tra
2、nsport Stream)5 - , - . () . - , , 2013 , - - II 5499520121 12 23 , 24 74.1 74.2 - 74.3 - .115 MPEG-2 H.264/AVC. -. 115.1 MPEG-2/SDTV/25. - .115.2 MPEG-2/DTV/25. - .145.3 H.264/AVC. -. . . 155.4 H.264/AVC/SDTV/25. -175.5 H.264/AVC/HDTV. - .196 - 216.1 .216.2 MPEG-1 MPEG-2 - MPEG-1 MPEG-2 . . . 216.3
3、 AC-3 AC-3 - AC-3 AC-3 246.4 DTS - DTS 256.5 MPEG-4 AAC, MPEG-4 HE AAC MPEG-4HE AAC v2 - MPEG-4 AAC, MPEG-4 HE AAC MPEG-4 HE AAC v2 25 A () SDTV. . 28 () .29 () MPEG 30 () .31 33 549952012III . , EG-2 Digital broadcast television. Requirements to the coding of audio and video signals for broadcastin
4、g applications,based on the transport streams of MPEG-2.General technical requirements 201304011 - - (Integrated Receiver-Decoder; IRD) , , MPEG-2 H.264/AVC. -c . , , , , - -. - . - :- :- (Standard Definition Television; SDTV);- (High Definition Television; HDTV);- :- MPEG-2;- H.264/AVC;- :- 25 ;- 5
5、0 ;- :- - ;- - ;- ( ) ( 6 ). SDTV A. , - , . - - , - . - -1 549952012 , -, . - - :- - - ;- MPEG-2 -, - . 4, 5, 6 - DVB, - .2 : 522102004 . 525912006 -. 535282009 . DSM-CC. - - , 1 , , . (), - () . , , - , , .3 , 3.1 52210, 52591, 53528, :3.1.1 (audio): , , , -, , .3.1.2 (Pan Vector): - , frame_centr
6、e_horizontal_offset - MPEG.3.1.3 (broadcaster): , .3.1.4 (video): , , , -, , .3.1.5 (descriptor): , -.3.1.6 - - (Integrated Receiver-Decoder;IRD): -, - (, ) .3.1.7 (packet identifier; PID): - , .3.1.8 (interoperability): , - - .3.1.9 : , , . :2 549952012- , , ;- , , , .3.1.10 (Service Information, S
7、I): , - MPEG-2, . - , , : (Bouquet Association Table; BAT), (Event Information Table; EIT), (Program Map Table; ), (Running Status Table; RST), (Service Description Table;SDT), (Time and Date Table; TDT), (Time OffsetTable; TOT).3.1.11 (ontext): ; , -; .3.1.12 (content): , (, -).3.1.13 (media): , (
8、MPEG, MPEG, JPEG, , , , PNG).3.1.14 ; (Packetized Elementary Stream; PES): - , .3.1.15 (user): , - - , .3.1.16 DVB: , , -, DVB.3.1.17 AC-3 AC-3 : , - , AC-3 AC-3 , ETSI 2.3.1.18 DTS: , , ETSI 3.3.1.19 H.264/AVC: , , H.264/AVC SDTV DTV 25 50.3.1.20 H.264/AVC/DTV: , -, H.264/AVC DTV 25 50.3.1.21 H.264
9、/AVC/25: , , H.264/AVC 25 .3.1.22 H.264/AVC/HDTV/25: , , H.264/AVC HDTV 25 .3.1.23 H.264/AVC/HDTV/50: , , H.264/AVC HDTV 50 .3.1.24 H.264/AVC/SDTV/25: , , H.264/AVC SDTV 25 .3.1.25 HDTV/25: , , - MPEG-2, H.264/AVC 25 .3.1.26 HDTV: , , - MPEG-2, H.264/AVC 25 50 .3.1.27 HPL3: , , - HPL3.3.1.28 HPL4: , , - HPL4.3 5499520123.1.29 MPEG-1: , , - MPEG-1 Layer I Layer II ISO/IEC 4 5.3.1.30 MPEG-2/DTV/25: , -,
