1、 547182011 DRM 30 -. 27 2002 . 184- , 1.02004 . 1 - , - - ( -)2 3 - 13 2011 . 879-4 (ETSI):- ES 201 980 v3.1.1 (200908) Digital Radio Mondiale (DRM); System Specification;- TS 102 820 v3.1.1 (201012) Digital Radio Mondiale (DRM); Multiplex Distribution Interface (MDI);- TS 102 821 v1.3.1 (201012) Di
2、gital Radio Mondiale (DRM); Distribution and CommunicationsProtocol (DCP);- TS 102 358 v1.1.1 (200501) Digital Radio Mondiale (DRM); Specific Restrictions for the use of theDistribution and Communication Protocol (DCP);- TS 101 968 v1.3.1 (200904) Digital Radio Mondiale (DRM); Data applications dire
3、ctory.5 , - . () . - , . , 2012 , - - II 5471820111 .12 13 , 23.1 23.2 .24 24.1 -.24.2 - 35 45.1 - .45.2 - .96 , .1012III 547182011 DRM 30 -. Digital broadcasting system DRM in the frequency range less than 30 MHz. Digital encoder-modulator.Basic parameters and technical requirements 201207011 - - D
4、RM 30 , DRM. -. , - -. - DRM: - -. - MDI/DCP , - -. - - DRM.2 : 5082995 , - . 52459.12009 ( 301 489-12008) -. . 1. 52459.112009 ( 301 489-112006) -. . 11. - 600652005 -, - . 12.1.03081 . . , 12.2.007.075 . . 1515069 , . . , , - 1 547182011 2113075 . . - -,1,. (), ().,.3 , 3.1 :3.1.1 (distribution an
5、d communicationprotocol): , , /-.3.1.2 (single frequency network): ,-.3.1.3 Ethernet Ethernet network Ethernet: ,IEEE802.3.3.2 : ; ; ; ; ; ;AAC(DvancedAudioCoding) ;ASI(AsynchronousSerialInterface) ;CELP(CodeExcitedLinearPrediction) ;DCP(DistributionAndCommunicationProtocol) ;DRM(DigitalRadioMondial
6、e) ;GPS (Global Positioning Satellite) ;MER(ModulationErrorRatio) ;MDI(MultiplexDistributionInterface) ;MPS(MPEGSurround) ;HVXC (Harmonic Vector eXcitation Coding) -;PS(ParametricStereo) ;SBR(SpectralBandReplication) ,-.,CELPHVXC;SFN(SingleFrequencyNetwork) ;S/PDIF(Sony/PhilipsDigitalInterfaceFormat
7、) -.4 4.1 -4.1.1 -:2 5471820110,14850,2835 ( );0,52651,6065 ( );3,9526,10 ( ).4.1.2 10; 100 .4.1.3 c177 1.4.1.4 (MER) - , B, C, D DRM 36 .4.2 -4.2.1 MPEG-4 AAC ( )4.2.1.1 4,8 72 / 20 /.4.2.1.2 :-12;-24.4.2.1.3 960 .4.2.1.4 :- ;- .4.2.1.5 1. 1 , 12 24 5 10 , 80 404.2.2 MPEG-4 CELP ( )4.2.2.1 3,85 23,
8、8 /.4.2.2.2 :-8;-16.4.2.2.3 , CELP - 8 2. 2 , CELP - 8 , / , ,3 850, 4 250, 4 650 45 405 700, 6 000, 6 300, 6 600, 6 900, 7 100, 7 300, 7 700,8 300, 8 700, 9 100, 9 500, 9 900, 10 300, 10 500, 10 70025 2011 000, 11 400, 11 800, 12 000, 12 200 15 104.2.2.4 , CELP - 16 3.3 547182011 3 , CELP - 16 , /
9、, ,10 900, 11 500, 12 100, 12 700, 13 300, 13 900, 14 300,14 700,15 900, 17 100, 17 900, 18 700, 19 500, 20 300, 21 10025 2013 600, 14 200, 14 800, 15 400, 16 000, 16 600, 17 000,17 400, 18 600, 19 800, 20 600, 21 400, 22 200, 23 000, 2380015 104.2.3 MPEG-4 HVXC ( - )4.2.3.1 :-2/;-4/.4.2.3.2 8 .4.2.
10、3.3 20 .4.2.4 - , - , 4. 4 Fd=12=72Fd=24=72CELPFd = 8 = 12,2CELPFd=16=23,8HVXCFd = 8 =4 , , 0,035,5 0,0311 0,13,8 0,057 0,13,8 Fd , , /.5 5.1 -5.1.1 5.1.1.1 7EWX, COFDM.5.1.1.2 - - DRM.5.1.2 5.1.2.1 MDI Ethernet 10/100 Base-T. - Ethernet IP- (IP Ethernet). MDI RS-232 - : 115,2 /, 8N1 (8 , , 1 -), .
11、(ASI, USB .)5.1.2.2 50 0 20 5 .5.1.2.3 - . 50 , - 0 . 600 , 1 , 0 80 .4 547182011 -,-.5.1.2.4 - - Ethernet 10/100 Base-T.5.1.2.5 /GPS - DRM SFN (- ):- 1 , , 2,7 5 , (50 c177 5) ;- 10 , 0,05 1,5 , (50 c177 5) 18 .5.1.3 5.1.3.1 - 24 c177 1 c215 106.5.1.3.2 5. 5 (), 4,5; 9; 18 4,5; 9; 18 5; 10; 205.1.3.3
