ETSI ETS 300 401 ed.1 (1995-02)

Digital Audio Broadcasting (DAB); DAB to mobile, portable and fixed receivers

DE/JTC-DAB

Sistemi radiodifuzije - Digitalna zvokovna radiodifuzija (DAB) za mobilne, prenosne in fiksne sprejemnike

General Information

• Status: Published
• Publication Date: 09-Feb-1995
• Technical Committee: BROADCAS - EBU/CENELEC/ETSI on Broadcasting
• Current Stage: 12 - Completion
• Due Date: 27-Jan-1995
• Completion Date: 10-Feb-1995
• Mandate: T-244
• Ref Project: SIST ETS 300 401 E1:2003 - Radio broadcasting systems;Digital Audio Broadcasting (DAB) tomobile, portable and fixed receivers

Standards Content (Sample)

SLOVENSKI STANDARD
SIST ETS 300 401 E1:2003
01-december-2003
Sistemi radiodifuzije - Digitalna zvokovna radiodifuzija (DAB) za mobilne,
prenosne in fiksne sprejemnike
Radio broadcasting systems;Digital Audio Broadcasting (DAB) tomobile, portable and
fixed receivers
Ta slovenski standard je istoveten z: ETS 300 401 Edition 1
ICS:
33.060.20 Sprejemna in oddajna Receiving and transmitting
oprema equipment
33.170 Televizijska in radijska Television and radio
difuzija broadcasting
SIST ETS 300 401 E1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 401 E1:2003

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SIST ETS 300 401 E1:2003
EUROPEAN ETS 300 401
TELECOMMUNICATION February 1995
STANDARD
Source: EBU/ETSI JTC Reference: DE/JTC-DAB
ICS: 33.060
Broadcasting, radio, DAB, audio, data broadcasting, mobile/portable/fixed receiver,
Key words:
terrestrial/satellite broadcasting
European B roadcasting Union Union Européenne de Radio-Télévision
EBU
UER
Radio broadcasting systems;
Digital Audio Broadcasting (DAB) to
mobile, portable and fixed receivers
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
F-06921 Sophia Antipolis CEDEX - FRANCE
Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
c=fr, a=atlas, p=etsi, s=secretariat - [e-mail]
X.400: Internet:
Tel.: [phone] - Fax: [phone]
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1995. All rights reserved.
New presentation - see History box

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ETS 300 401: February 1995
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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Contents
Foreword .9
1 Scope .11
2 Normative references.11
3 Definitions, abbreviations, symbols and conventions.12
3.1 Definitions .12
3.2 Abbreviations .16
3.3 Mathematical symbols .18
3.3.1 Arithmetic operators .18
3.3.2 Logical and set operators.18
3.3.3 Functions.18
3.3.4 Constants .18
3.4 C-language mathematical symbols.18
3.4.1 Arithmetic operators .18
3.4.2 Logical operators.18
3.4.3 Relational operators .19
3.4.4 Assignment.19
3.4.5 Mnemonics.19
3.4.6 Method of describing bit stream syntax.19
3.5 Convention.20
4 Basic DAB system description .21
4.1 Transport mechanisms .21
4.2 Multiplex Configuration Information (MCI) .23
4.3 Audio coding .23
4.4 Data features .24
4.5 Conditional Access (CA).24
4.6 Energy dispersal .24
4.7 Convolutional coding.24
4.8 Time interleaving.24
4.9 Common Interleaved Frame.25
4.10 DAB transmission signal.25
4.11 Radio frequency parameters .25
4.12 Main DAB system characteristics .26
5 Transport mechanisms .29
5.1 Introduction .29
5.2 The Fast Information Channel (FIC).31
5.2.1 Fast Information Block (FIB) .31
5.2.2 Fast Information Group (FIG).32
5.2.2.1 FIG type 0 data field .33
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 The Main Service Channel (MSC) .36
5.3.1 Stream mode.36
5.3.2 Packet mode - network level .36
5.3.2.1 Packet header .37
5.3.2.2 Packet data field .37
5.3.2.3 Packet CRC.38
5.3.3 Packet mode - transport level .38
5.3.3.1 Data group header.39
5.3.3.2 Session header.39
5.3.3.3 Data group data field .40
5.3.3.4 Data group CRC .40

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5.3.4 Interrelation of network and transport level in packet mode. 40
5.4 Transport of Service Information in the Auxiliary Information Channel. 40
6 Multiplex Configuration Information (MCI) . 41
6.1 Introduction. 41
6.2 Sub-channel organisation. 42
6.3 Service organisation. 45
6.3.1 Basic service and service component definition. 46
6.3.2 Service component in Packet mode with or without Conditional Access . 49
6.3.3 Service component with conditional access in stream mode or FIC . 50
6.3.4 Service component "hooks". 50
6.4 Ensemble information . 50
6.5 Multiplex re-configuration . 51
7 Audio coding . 52
7.1 Audio encoding. 53
7.1.1 Analysis sub-band filter. 54
7.1.2 Scale Factor calculation. 56
7.1.3 Coding of Scale Factors . 56
7.1.4 Coding of Scale Factor Selection Information . 58
7.1.5 Psychoacoustic model. 58
7.1.6 Bit Allocation . 58
7.1.7 Bit Allocation coding. 59
7.1.8 Quantization and coding of sub-band samples. 61
7.1.9 Formatting of the Audio bit stream . 62
7.2 Semantics of the audio bit stream. 63
7.2.1 ISO/IEC 11172-3 Layer II bit stream. 63
7.2.1.1 Audio sequence . 63
7.2.1.2 Audio frame. 64
7.2.1.3 Audio frame header . 64
7.2.1.4 Error check. 66
7.2.1.5 Audio data. 66
7.2.1.6 Ancillary data. 67
7.2.2 DAB audio bit stream. 67
7.2.2.1 DAB audio sequence . 67
7.2.2.2 DAB audio frame. 68
7.2.2.3 DAB audio frame header . 68
7.2.2.4 Error check. 69
7.2.2.5 Audio data. 69
7.2.2.6 Audio stuffing bits. 69
7.2.2.7 Extended Programme Associated Data (X-PAD) . 69
7.2.2.8 Scale Factor Error Check (ScF-CRC). 69
7.2.2.9 Fixed Programme Associated Data (F-PAD). 69
7.3 Audio bit stream syntax. 71
7.3.1 ISO/IEC 11172-3 Layer II bit stream syntax . 71
7.3.1.1 Audio sequence . 71
7.3.1.2 Audio frame. 71
7.3.1.3 Header . 71
7.3.1.4 Error check. 72
7.3.1.5 Audio data. 73
7.3.1.6 Ancillary data. 74
7.3.2 DAB audio bit stream syntax . 74
7.3.2.1 DAB audio sequence . 74
7.3.2.2 DAB audio frame. 74
7.3.2.3 DAB audio frame header . 75
7.3.2.4 Error check. 75
7.3.2.5 Audio data. 75
7.3.2.6 Audio stuffing bits. 75
7.3.2.7 Extended Programme Associated Data. 75
7.3.2.8 Scale Factor error check. 75
7.3.2.9 Fixed Programme Associated Data . 75
7.4 Programme Associated Data (PAD) . 76
7.4.1 Coding of F-PAD. 77

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7.4.1.1 Dynamic Range Control data.79
7.4.2 Structure of X-PAD.80
7.4.2.1 Short X-PAD .81
7.4.2.2 Variable size X-PAD .81
7.4.3 Application types .82
7.4.4 Contents indicator .83
7.4.4.1 Contents indicator in short X-PAD.83
7.4.4.2 Contents indicator in variable size X-PAD.83
7.4.5 Applications in X-PAD .84
7.4.5.1 Table of contents .84
7.4.5.2 Dynamic label segment .85
7.4.5.3 ITTS packets .87
7.4.5.4 In-house information.88
7.4.5.5 Closed user-group packet channel.88
7.4.5.6 Closed user-group stream channel .88
8 Data features.88
8.1 Service Information (SI) .88
8.1.1 Introduction.88
8.1.2 Service component language.88
8.1.3 Time and country identifier.89
8.1.4 Programme Number.91
8.1.5 Programme Type.92
8.1.5.1 Programme Type coding .92
8.1.5.2 Programme Type downloading.94
8.1.5.3 Programme Type preview .96
8.1.6 Announcements .97
8.1.6.1 Announcement support .97
8.1.6.2 Announcement switching.98
8.1.7 Service trigger .99
8.1.8 Frequency Information .101
8.1.9 Transmitter Identification Information (TII) .104
8.1.10 Other ensembles.105
8.1.10.1 Frequencies.106
8.1.10.2 Services.106
8.1.10.3 Programme Number.106
8.1.10.4 Programme Type.106
8.1.10.5 Announcements.106
8.1.10.5.1 Announcement support.106
8.1.10.5.2 Announcement switching.107
8.1.10.6 Text labels .108
8.1.10.7 Satellite database .108
8.1.11 FM services.108
8.1.11.1 Frequencies.108
8.1.11.2 Announcements.108
8.1.11.2.1 Announcement support.108
8.1.11.2.2 Announcement switching.109
8.1.12 FIC re-direction.109
8.1.13 Ensemble label.110
8.1.14 Service label.111
8.1.15 Service linking information .111
8.1.16 Regional identification .113
8.1.16.1 Region definition.113
8.1.16.2 Region label.115
8.1.17 Local service area .116
8.1.18 Satellite assistance.117
8.1.18.1 Satellite database .117
8.1.18.2 Satellite handover .119
8.2 Fast Information Data Channel.119
8.2.1 Paging .119
8.2.2 Traffic Message Channel (TMC).121
8.2.3 Emergency Warning Systems (EWS).121

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9 Conditional Access (CA). 122
9.1 Scrambling audio and data. 123
9.1.1 Introduction . 123
9.1.2 Description of the audio and data scrambling processes. 123
9.1.3 Generating scrambling and descrambling sequences. 123
9.1.3.1 Generation of the initialization word . 123
9.1.3.2 Phasing . 124
9.1.4 Scrambling/descrambling processes. 124
9.1.4.1 Conditional Access signalling configurations . 124
9.1.4.2 Scrambling/descrambling of the service components in
Stream mode . 125
9.1.4.3 Scrambling/descrambling of the service components in
Packet mode. 125
9.1.4.4 Scrambling/descrambling of the service components sent
in FIDC. 127
9.2 Signalling and synchronizing data. 128
9.2.1 Conditional Access Identifier (CAId). 128
9.2.2 Service Component Conditional Access (SCCA) . 128
9.2.2.1 First byte of SCCA . 128
9.2.2.2 Second byte of SCCA . 130
9.2.3 Data Group Conditional Access (DGCA). 131
9.2.4 Fast Information Data Channel Conditional Access (FIDCCA and
FIDCCA_Ext). 132
9.2.4.1 FIDCCA. 132
9.2.4.2 FIDCCA_Extended. 133
9.3 ECM and EMM transmission. 134
9.3.1 General description. 134
9.3.1.1 ECM coding. 134
9.3.1.2 EMM coding . 135
9.3.1.3 Command Identifier (CI) coding. 136
9.3.2 Transport . 136
9.3.2.1 MSC . 137
9.3.2.2 FIC . 139
9.3.2.3 Together with service component. 139
10 Energy dispersal . 140
10.1 General procedure . 140
10.2 Energy dispersal as applied in the Fast Information Channel. 140
10.3 Energy dispersal as applied in the Main Service Channel. . 141
11 Convolutional Coding. 141
11.1 Convolutional code. 141
11.1.1 Mother code. 141
11.1.2 Puncturing procedure . 142
11.2 Coding in the Fast Information Channel. 144
11.2.1 Transmission modes I and II . 144
11.2.2 Transmission mode III . 144
11.3 Coding in the Main Service Channel . 145
11.3.1 Coding for a sub-channel conveying an audio service component . 145
11.3.2 Coding for a sub-channel conveying data service components . 148
11.3.2.1 Equal error protection coding. 148
11.3.2.2 Future error protection coding. 149
12 Time interleaving . 150
13 Common Interleaved Frame. 156
14 DAB transmission signal. 156
14.1 General principles . 156
14.2 Structure of the main signal . 157
14.3 Synchronization channel . 160
14.3.1 Null symbol . 160
14.3.2 Phase reference symbol. 160

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14.3.3 Time reference .162
14.4 Block partitioning and association of blocks to OFDM symbols .162
14.4.1 Block partitioning and association of blocks to OFDM symbols in the Fast
Information Channel.162
14.4.1.1 Transmission mode I .162
14.4.1.2 Transmission mode II .163
14.4.1.3 Transmission mode III .164
14.4.2 Block partitioning and association of blocks to OFDM symbols in the Main
Service Channel .165
14.4.2.1 Transmission mode I .165
14.4.2.2 Transmission mode II .166
14.4.2.3 Transmission mode III .167
14.5 QPSK symbol mapper .167
14.6 Frequency interleaving.167
14.6.1 Transmission mode I.168
14.6.2 Transmission mode II.169
14.6.3 Transmission mode III.170
14.7 Differential modulation .171
14.8 Transmitter Identification Information .171
14.8.1 Transmission modes I and II.172
14.8.2 Transmission mode III.174
15 Radio frequency characteristics .
...