1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ICS 33.160.20; 33.170 ISBN 0-626-17408-2 SANS 300401:2005Edition 1ETSI EN 300401:2001Edition V.1.3.3SOUTH AFRICAN NATIONAL STANDARD Radio Broadcasting Sy
4、stems; Digital Audio Broadcasting (DAB) to mobile, portable and fixed receivers This national standard is the identical implementation of ETSI EN 300401:2001 and is adopted with the permission of the European Telecommunications Standards Institute. Published by Standards South Africa 1 dr lategan ro
5、ad groenkloof private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa SANS 300401:2005 Edition 1 ETSI EN 300401:2001 Edition V.1.3.3 Table of changes Change No. Date Scope Abstract Establishes a broadcasting standard for t
6、he Digital Audio Broadcasting (DAB) system designed for delivery of high-quality digital audio programme and data services for mobile, portable and fixed reception from terrestrial or satellite transmitters in the Very High Frequency (VHF)/Ultra High Frequency (UHF) frequency bands as well as for di
7、stribution through cable networks. Keywords audio, broadcasting, DAB, data, digital, satellite, terrestrial. National foreword This South African standard was approved by National Committee StanSA TC 74, Communication technology, in accordance with procedures of Standards South Africa, in compliance
8、 with annex 3 of the WTO/TBT agreement. In South Africa, spectrum band plans are regulated by the Independent Communications Authority of South Africa (ICASA). The South African Table of Frequency Allocations is obligatory for South Africa and will override any reference to frequency ranges as menti
9、oned in this standard. ETS I EN 300 40 1 VI .3.3 (2001-05) - European Standard (Telecommunications series) Radio Broadcasting Systems; Digital Audio Broadcasting (DAB) to mobile, portable and fixed receivers European Broadcasting Unio Europeenne ETSl EN 300 401 V1.3.3 (2001 -05) Reference RENIJTC-DA
10、B-21 R1 Keywords digital, audio, broadcasting, DAB, data, satellite, terrestrial ETSl 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.:+33492944200 Fax: +334936547 16 Siret No 348 623 562 00017 - NAF 742 C Association a but non lucratif enregistree a la Sous-Prefecture de Grasse (
11、06) No 7803188 lmiortant notice Individual copies of the present document can be downloaded from: http:llwww.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the ref
12、erence version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSl printers of the PDF version kept on a specific network drive within ETSl Secretariat. Users of the present document should be aware that the document may be subject to revision or ch
13、ange of status, Information on the current status of this and other ETSl documents is available at http:llwww.etsi.ornltblstatusl If you find errors in the present document, send your comment to: editoretsi.fr Copyright Notification No part may be reproduced except as authorized by written permissio
14、n. The copyright and the foregoing restriction extend to reproduction in all media. O European Telecommunications Standards Institute 2001 O European Broadcasting Union 2001. All rights reserved. 3 ETSl EN 300 401 V1.3.3 (2001-05) Contents Intellectual Property Rights 9 Foreword -9 1 Scope 11 2 Refe
15、rences . 11 Definitions. abbreviations. symbols and conventions 13 Definitions 13 . Abbreviations 16 Mathematical symbols 19 . Arithmetic operators 19 Logical and set operators 19 Functions 19 Constants 19 . C-language mathematical symbols 20 . Arithmetic operators 20 Logical operators 20 Relational
16、 operators 20 . Assignment 20 . Mnemonics 20 Method of describing bit stream syntax 21 . Convention 22 . Basic DAB system description 22 Transport mechanisms 22 Multiplex Configuration Information (MCI) 24 Audio coding 24 . Data features 25 Conditional Access (CA) 25 . Energy dispersal 25 . Convolut
17、ional coding 25 . Time interleaving 25 . Common Interleaved Frame 25 DAB transmission signal 26 . Radio frequency parameters 26 Main DAB system characteristics 27 5 Transport mechanisms 29 5.1 Introduction 29 . 5.2 Fast Information Channel (FIC) 31 . 5.2.1 Fast Information Block (FIB) 31 5.2.2 Fast
18、Information Group (FIG) 32 . 5.2.2.1 FIG type 0 data field 32 5.2.2.2 FIG type 1 data field . 34 5.2.2.3 FIG type 5 data field . 35 5.2.2.4 FIG type 6 data field . 35 5.3 Main Service Channel (MSC) 36 . 5.3.1 Stream mode 36 5.3.2 Packet mode - network level . 37 5.3.2.1 Packet header 37 5.3.2.2 Pack
19、et data field 38 5.3.2.3 Packet CRC . 38 . 5.3.3 Packet mode - data group level 38 5.3.3.1 MSC data group header . 39 . 5.3.3.2 Session header 40 5.3.3.3 MSC data group data field 41 . 5.3.3.4 MSC data group CRC 41 ETSl 5.3.4 Interrelation of network and transport level in packet mode 41 . 5.4 Trans
20、port of Service Information in the Auxiliary Information Channel 41 Multiplex Configuration Information (MCI) 42 Introduction 42 Sub-channel organization . 43 . Service organization 47 Basic service and service component definition . 47 . Service component in packet mode with or without Conditional
21、Access 51 Service component with Conditional Access in stream mode or FIC 51 Service component “hooks“ 52 Data Service Component Type extension . 53 Service component global definition 54 Ensemble information 55 . Multiplex re-configuration 56 Audio coding 57 1 Audio encoding 58 1.1 Analysis sub-ban
22、d filter 58 7.1.2 Scale Factor calculation 60 7.1.3 Coding of Scale Factors 60 7.1.4 Coding of Scale Factor Selection Information 61 7.1.5 Psychoacoustic model . 62 7.1.6 Bit allocation . 62 . 7.1.7 Bit allocation coding 63 7.1.8 Quantization and coding of sub-band samples 66 7.1.9 Formatting of the
23、 audio bit stream 67 7.2 Semantics of the audio bit stream . 68 7.2.1 MPEG Audio Layer I1 bit stream 68 . 7.2.1.1 Audio sequence 68 7.2.1.2 Audio frame 68 . 7.2.1.3 Audio frame header 69 7.2.1.4 Error check 72 . 7.2.1.5 Audio data 72 7.2.1.6 Ancillary data 72 . . 7.2.2 DAB audio bit stream . 73 . 7.
24、2.2.1 DAB audio sequence 73 7.2.2.2 DAB audio frame 73 7.2.2.3 DAB audio frame header 74 7.2.2.4 Error check 74 7.2.2.5 Audio data . 74 7.2.2.6 Audio stuffing bits 74 7.2.2.7 Extended Programme Associated Data (X-PAD) . 74 7.2.2.8 Scale Factor Error Check (ScF-CRC) . 74 7.2.2.9 Fixed Programme Assoc
25、iated Data (F-PAD) 74 7.3 Audio bit stream syntax 76 7.3.1 ISOIIEC 1 1 172-3 and ISOIIEC 138 18-3 Layer I1 bit stream syntax 76 7.3.1.1 Audio sequence . 76 7.3.1.2 Audio frame 76 7.3.1.3 Header . 77 7.3.1.4 Error check 77 7.3.1.5 Audio data . 78 7.3.1.6 Ancillary data 79 7.3.2 DAB audio bit stream s
26、yntax 80 7.3.2.1 DAB audio sequence . 80 7.3.2.2 DAB audio frame 80 7.3.2.3 DAB audio frame header 80 7.3.2.4 Error check 80 7.3.2.5 Audio data 80 7.3.2.6 Audio stuffing bits 81 7.3.2.7 Extended Programme Associated Data . 81 7.3.2.8 Scale Factor error check 82 5 ETSl EN 300 401 V1.3.3 (2001 -05) Fi
27、xed Programme Associated Data . 82 . Programme Associated Data (PAD) 82 Coding of F-PAD 83 Dynamic Range Control data 86 Structure of X-PAD 86 . Short X-PAD 88 . Variable size X-PAD 88 Application types 89 . Contents indicator 90 . Contents indicator in short X-PAD 90 . Contents indicator in variabl
28、e size X-PAD 90 . Applications in X-PAD 91 . Table of contents 91 . Dynamic label segment 92 . ITTS packets 94 . In-house information 94 . Closed user-group packet channel 94 Closed user-group stream channel 94 8 Data features . 94 8.1 Service Information (SI) . 94 8.1.1 Introduction . 94 8.1.2 Serv
29、ice component language 95 8.1.3 Time and country identifier 96 . 8.1.3.1 Date and Time 96 . 8.1.3.2 Country, LTO and International table 97 8.1.4 Programme Number 98 8.1.5 Programme Type 99 8.1.5.1 Programme Type coding . 99 . 8.1.5.2 Programme Type downloading 101 . 8.1.5.3 Programme Type preview 1
30、03 8.1.6 Announcements 104 . 8.1.6.1 Announcement support 104 8.1.6.2 Announcement switching 106 8.1.7 Service component trigger 107 . 8.1.8 Frequency Information 109 8.1.9 Transmitter Identification Information (TII) database 114 8.1.10 Other ensembles 115 . 8.1.10.1 OE Frequencies 115 . 8.1.10.2 O
31、E Services 115 . 8.1.10.3 OE Programme Number 116 8.1.10.4 OE Programme Type . 116 8.1.10.5 OE Announcements 116 8.1.10.5.1 OE Announcement support 116 8.1.10.5.2 OE Announcement switching 117 . 8.1.10.6 OE Text labels 118 . 8.1.10.7 OE Satellite database 118 . 8.1.11 FM services 118 . 8.1.11.1 FM F
32、requencies 118 8.1.11.2 FM Announcements . 118 . 8.1.11.2.1 FM Announcement support 119 8.1.11.2.2 FM Announcement switching 1 19 8.1.11.3 FM Programme Number . 120 8.1.11.4 FM Programme Type 120 8.1.11.5 FM Text labels 120 8.1.12 FIC re-direction 120 . 8.1.13 Ensemble label 121 8.1.14 Service label
33、 121 . 8.1.14.1 Programme service label 121 8.1.14.2 Data service label 122 8.1.14.3 Service component label . 122 8.1.15 Service linking information 123 ETSl Regional identification 125 . Region definition 125 Region label 128 Local service area . 128 Satellite assistance 129 . Satellite database 1
34、29 Satellite handover 131 AM services 131 . AM Frequencies 131 . AM Programme Number 131 . AM Programme Type 131 . AM Text labels 131 . User application information 132 Fast Information Data Channel 133 . 8.2.1 Paging 133 8.2.2 Traffic Message Channel (TMC) 135 8.2.3 Emergency Warning Systems (EWS)
35、. 135 9 Conditional Access (CA) 136 . 9.1 Scrambling audio and data 137 . 9.1.1 Introduction 137 9.1.2 Description of the audio and data scrambling processes . 137 9.1.3 Generating scrambling and descrambling sequences 137 9.1.3.1 Generation of the initialization word 137 . 9.1.3.2 Phasing 137 9.1.4
36、 Scramblingldescrambling processes 138 9.1.4.1 Conditional Access signalling configurations 138 9.1.4.2 Scramblingldescrambling of service components in stream mode . 139 9.1.4.3 Scrambling/descrambling of service components in packet mode 140 9.1.4.4 Scramblingldescrambling of service components in
37、 the FIDC . 141 9.2 CA signalling and synchronizing data 143 9.2.1 Conditional Access Identifier (CAId) . 143 . 9.2.2 Service Component Conditional Access (SCCA) 143 9.2.3 Data Group Conditional Access (DGCA) . 146 9.2.4 Fast Information Data Channel Conditional Access (FIDCCA and FIDCCA-Ext) . 147
38、9.2.4.1 FIDCCA 147 . 9.2.4.2 FIDCCA - Extended 147 9.3 ECM and EMM transmission . 148 . 9.3.1 General description 148 9.3.1.1 ECM and EMM coding 148 . 9.3.1.2 Command Identifier coding 149 9.3.2 Transport of ECM and EMM 150 9.3.2.1 Transport in the MSC 150 9.3.2.2 Transport in the FIC 151 9.3.2.3 Tr
39、ansport together with service component 151 . 10 Energy dispersal 152 10.1 General procedure 152 10.2 Energy dispersal as applied in the Fast Information Channel 152 10.3 Energy dispersal as applied in the Main Service Channel 153 1 1 Convolutional coding 153 . 11.1 Convolutional code 153 11.1.1 Mot
40、her code 153 11.1.2 Puncturing procedure 154 1 1.2 Coding in the Fast Information Channel . 156 11.2.1 Transmission modes I, 11. and IV 156 . 1 1.2.2 Transmission mode 111 156 1 1.3 Coding in the Main Service Channel 157 . 11.3.1 Unequal Error Protection (UEP) coding 157 11.3.2 Equal Error Protectio
41、n (EEP) coding 159 11.3.3 Future error protection coding 161 12 Time interleaving . 161 13 Common Interleaved Frame . 167 14 DAB transmission signal 168 14.1 General principles . 168 14.2 Structure of the main signal 168 14.3 Synchronization channel 171 14.3.1 Null symbol 171 14.3.2 Phase reference
42、symbol 171 14.3.3 Time reference 172 14.4 Block partitioning and association of blocks to OFDM symbols . 173 14.4.1 Block partitioning and association of blocks to OFDM symbols in the Fast Information Channel 173 14.4.1.1 Transmission mode I . 173 14.4.1.2 Transmission mode I1 174 14.4.1.3 Transmiss
43、ion mode I11 174 14.4.1.4 Transmission mode IV . 175 14.4.2 Block partitioning and association of blocks to OFDM symbols in the Main Service Channel . 176 14.4.2.1 Transmission mode I . 176 14.4.2.2 Transmission mode I1 177 14.4.2.3 Transmission mode I11 178 14.4.2.4 Transmission mode IV 179 14.5 QP
44、SK symbol mapper 180 14.6 Frequency interleaving . 180 14.6.1 . . Transmission mode I . 180 14.6.2 . . Transmission mode I1 . 181 14.6.3 Transmission mode 111 182 14.6.4 Transmission mode IV 183 14.7 Differential modulation . 184 14.8 Transmitter Identification Information signal 184 14.8.1 Transmis
45、sion modes I, I1 and IV . 185 14.8.2 Transmission mode 111 187 15 Radio frequency characteristics . 187 15.1 Use of the transmission modes . 187 15.2 Time characteristics 188 15.3 Spectrum characteristics . 188 15.4 Spectrum mask . 191 15.5 Permitted values of the central frequency 192 Annex A (info
46、rmative): Main characteristics of the audio coding system 193 . A 1 Audio signal characteristics 193 A.2 Audio coding characteristics 193 A.3 Audio associated data characteristics . 194 A.4 Functions provided by PAD 194 Annex B (normative): Audio decoding . 196 B . 1 General . 196 B.2 CRC check for
47、audio side information . 196 B.3 CRC check for Scale Factors 196 B.4 Decoding of the MPEG Audio Layer I1 bit stream 197 Annex C (informative): Audio encoding . 198 . C 1 Analysis sub-band filter 198 C.2 Psychoacoustic model 202 C.3 Bit allocation procedure . 210 C.4 Bit sensitivity to errors . 212 C
48、.5 Error concealment 213 C.6 Joint stereo coding 213 Annex D (informative): Multiplex re-configuration 217 . Annex E (normative): Calculation of the CRC word 219 Annex F (informative): Bibliography . 220 History 221 9 ETSl EN 300 401 V1.3.3 (2001 -05) Intellectual Property Rights IPRs essential or p
49、otentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, orpotentially Essential, IPRs notlJied to ETSI in respect ofETSIstandards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/www.etsi.org/ipr). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guaran
