ETSI EN 300 401 V1.4.1 (2006-06)

SLOVENSKI STANDARD
01-september-2006
Sistemi radiodifuzije - Digitalna zvokovna radiodifuzija (DAB) za mobilne,
prenosne in fiksne sprejemnike
Radio Broadcasting Systems; Digital Audio Broadcasting (DAB) to mobile, portable and
fixed receivers
Ta slovenski standard je istoveten z: EN 300 401 Version 1.4.1
ICS:
33.060.20 Sprejemna in oddajna Receiving and transmitting
oprema equipment
33.170 Televizijska in radijska Television and radio
difuzija broadcasting
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

European Standard (Telecommunications series)

Radio Broadcasting Systems;
Digital Audio Broadcasting (DAB) to mobile,
portable and fixed receivers
European Broadcasting Union Union Européenne de Radio-Télévision
EBU·UER
2 ETSI EN 300 401 V1.4.1 (2006-06)

Reference
REN/JTC-DAB-36
Keywords
audio, broadcasting, DAB, data, digital, satellite,
terrestrial
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© European Telecommunications Standards Institute 2006.
© European Broadcasting Union 2006.
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ETSI
3 ETSI EN 300 401 V1.4.1 (2006-06)
Contents
Intellectual Property Rights.8
Foreword.8
1 Scope.10
2 References.10
3 Definitions, abbreviations, mathematical symbols, C-language mathematical symbols and
conventions.11
3.1 Definitions.11
3.2 Abbreviations.15
3.3 Mathematical symbols.17
3.3.1 Arithmetic operators.17
3.3.2 Logical and set operators .17
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.18
3.4.4 Assignment.18
3.4.5 Mnemonics.19
3.4.6 Method of describing bit stream syntax.19
3.5 Convention.20
4 Basic DAB system description.20
4.1 Transport mechanisms.20
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 (CIF) .24
4.10 DAB transmission signal.25
4.11 Radio frequency parameters .25
4.12 Main DAB system characteristics .25
5 Transport mechanisms.27
5.1 Introduction.27
5.2 Fast Information Channel (FIC) .29
5.2.1 Fast Information Block (FIB) .29
5.2.2 Fast Information Group (FIG) .30
5.2.2.1 MCI and SI: FIG type 0 data field.30
5.2.2.2 Labels: FIG type 1 and FIG type 2 data fields .32
5.2.2.2.1 FIG type 1.32
5.2.2.2.2 FIG type 2.33
5.2.2.3 FIDC: FIG type 5 data field .34
5.2.2.4 CA: FIG type 6 data field.34
5.3 Main Service Channel (MSC) .34
5.3.1 Stream mode.35
5.3.2 Packet mode - network level.35
5.3.2.1 Packet header.35
5.3.2.2 Packet data field .36
5.3.2.3 Packet CRC.36
5.3.3 Packet mode - data group level.36
5.3.3.1 MSC data group header.37
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4 ETSI EN 300 401 V1.4.1 (2006-06)
5.3.3.2 Session header.38
5.3.3.3 MSC data group data field .39
5.3.3.4 MSC data group CRC .39
5.3.4 Interrelation of network and transport level in packet mode .39
5.3.5 FEC for MSC packet mode.39
5.3.5.1 FEC frame.40
5.3.5.2 Transport of RS data .41
5.3.5.3 Receiver considerations.42
5.4 Transport of Service Information in the Auxiliary Information Channel.42
5.5 Extended labels.43
5.5.1 Structure of the extended label data field.43
5.5.2 Label definition.44
5.5.3 Character definition.44
5.5.4 Segmentation.46
5.5.5 Receiver considerations.46
6 Multiplex Configuration Information (MCI).47
6.1 Introduction.47
6.2 Sub-channel organization.48
6.2.1 Basic sub-channel organization .48
6.2.2 FEC sub-channel organization.52
6.3 Service organization.52
6.3.1 Basic service and service component definition .52
6.3.2 Service component in packet mode with or without Conditional Access.55
6.3.3 Service component with Conditional Access in stream mode or FIC.56
6.3.4 Service component "hooks".56
6.3.5 Service component global definition .56
6.4 Ensemble information.58
6.5 Multiplex re-configuration.59
7 Audio coding.60
7.1 Audio encoding.61
7.1.1 Analysis sub-band filter.61
7.1.2 Scale Factor calculation .63
7.1.3 Coding of Scale Factors.63
7.1.4 Coding of Scale Factor Selection Information.64
7.1.5 Psychoacoustic model.65
7.1.6 Bit allocation.65
7.1.7 Bit allocation coding.66
7.1.8 Quantization and coding of sub-band samples.68
7.1.9 Formatting of the audio bit stream.70
7.2 Semantics of the audio bit stream.71
7.2.1 MPEG Audio Layer II bit stream.71
7.2.1.1 Audio sequence.71
7.2.1.2 Audio frame.71
7.2.1.3 Audio frame header.71
7.2.1.4 Error check.74
7.2.1.5 Audio data.74
7.2.1.6 Ancillary data.75
7.2.2 DAB audio bit stream .75
7.2.2.1 DAB audio sequence.75
7.2.2.2 DAB audio frame.75
7.2.2.3 DAB audio frame header .76
7.2.2.4 Error check.76
7.2.2.5 Audio data.76
7.2.2.6 Audio stuffing bits .76
7.2.2.7 Extended Programme Associated Data (X-PAD) .76
7.2.2.8 Scale Factor Error Check (ScF-CRC) .77
7.2.2.9 Fixed Programme Associated Data (F-PAD).77
7.3 Audio bit stream syntax.79
7.3.1 ISO/IEC 11172-3 and ISO/IEC 13818-3 Layer II bit stream syntax .79
7.3.1.1 Audio sequence.79
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5 ETSI EN 300 401 V1.4.1 (2006-06)
7.3.1.2 Audio frame.79
7.3.1.3 Header.79
7.3.1.4 Error check.80
7.3.1.5 Audio data.80
7.3.1.6 Ancillary data.81
7.3.2 DAB audio bit stream syntax.81
7.3.2.1 DAB audio sequence.81
7.3.2.2 DAB audio frame.81
7.3.2.3 DAB audio frame header .81
7.3.2.4 Error check.81
7.3.2.5 Audio data.81
7.3.2.6 Audio stuffing bits .82
7.3.2.7 Extended Programme Associated Data .82
7.3.2.8 Scale factor error check.82
7.3.2.9 Fixed Programme Associated Data .82
7.4 Programme Associated Data (PAD).82
7.4.1 Coding of F-PAD.83
7.4.1.1 Dynamic Range Control data .86
7.4.2 Structure of X-PAD .86
7.4.2.1 Short X-PAD.88
7.4.2.2 Variable size X-PAD.88
7.4.3 Application types.89
7.4.4 Contents indicator.90
7.4.4.1 Contents indicator in short X-PAD .90
7.4.4.2 Contents indicator in variable size X-PAD .90
7.4.5 Applications in X-PAD.91
7.4.5.1 MSC data groups in X-PAD .91
7.4.5.1.1 X-PAD data group for data group length indicator .91
7.4.5.1.2 X-PAD data group for MSC data group .91
7.4.5.1.3 Transport of MSC data groups in short X-PAD .92
7.4.5.1.4 Transport of MSC data groups in variable-sized X-PAD.92
7.4.5.2 Dynamic label.92
8 Data features.95
8.1 Service Information (SI).95
8.1.1 Introduction.95
8.1.2 Service component language .95
8.1.3 Time and country identifier .96
8.1.3.1 Date and time (d&t) .96
8.1.3.2 Country, LTO and International table .97
8.1.4 Programme Number.98
8.1.5 Programme Type.99
8.1.6 Announcements.101
8.1.6.1 Announcement support.101
8.1.6.2 Announcement switching.102
8.1.7 DRM services.102
8.1.7.1 DRM Frequencies.103
8.1.8 Frequency Information.103
8.1.9 Transmitter Identification Information (TII) database.108
8.1.10 Other ensembles.110
8.1.10.1 OE Frequencies.110
8.1.10.2 OE Services.110
8.1.10.3 OE Programme Number.111
8.1.10.4 OE Programme Type.111
8.1.10.5 OE Announcements.111
8.1.10.5.1 OE Announcement support .111
8.1.10.5.2 OE Announcement switching.112
8.1.10.6 OE Text labels.113
8.1.11 FM services.113
8.1.11.1 FM Frequencies.113
8.1.11.2 FM Announcements.113
8.1.11.2.1 FM Announcement support.113
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6 ETSI EN 300 401 V1.4.1 (2006-06)
8.1.11.2.2 FM Announcement switching.114
8.1.11.3 FM Programme Number .114
8.1.11.4 FM Programme Type .114
8.1.11.5 FM Text labels .114
8.1.12 FIC re-direction.114
8.1.13 Ensemble label.115
8.1.14 Service label.116
8.1.14.1 Programme service label .116
8.1.14.2 Data service label .116
8.1.14.3 Service component label .117
8.1.14.4 X-PAD user application label .117
8.1.15 Service linking information .118
8.1.16 Regional identification.120
8.1.16.1 Region definition.120
8.1.16.2 Region label.123
8.1.17 Void.123
8.1.18 AMSS services.123
8.1.18.1 AMSS Frequencies.123
8.1.19 AM services.123
8.1.19.1 AM Frequencies.123
8.1.19.2 AM Programme Number.123
8.1.19.3 AM Programme Type .123
8.1.19.4 AM Text labels.124
8.1.20 User application information .124
8.2 Fast Information Data Channel .126
8.2.1 Paging.126
8.2.2 Traffic Message Channel (TMC).127
8.2.3 Emergency Warning Systems (EWS).127
9 Conditional Access (CA).128
10 Energy dispersal.128
10.1 General procedure.128
10.2 Energy dispersal as applied in the Fast Information Channel .128
10.3 Energy dispersal as applied in the Main Service Channel.129
11 Convolutional coding.129
11.1 Convolutional code.129
11.1.1 Mother code.129
11.1.2 Puncturing procedure.130
11.2 Coding in the Fast Information Channel .132
11.2.1 Transmission modes I, II, and IV.132
11.2.2 Transmission mode III.132
11.3 Coding in the Main Service Channel.133
11.3.1 Unequal Error Protection (UEP) coding .133
11.3.2 Equal Error Protection (EEP) coding.135
11.3.3 Future error protection coding .137
12 Time interleaving.137
13 Common Interleaved Frame.143
14 DAB transmission signal.144
14.1 General principles.144
14.2 Structure of the main signal.144
14.3 Synchronization channel.147
14.3.1 Null symbol.147
14.3.2 Phase reference symbol .147
14.3.3 Time reference.149
14.4 Block partitioning and association of blocks to OFDM symbols.149
14.4.1 Block partitioning and association of blocks to OFDM symbols in the Fast Information Channel.149
14.4.1.1 Transmission mode I.149
14.4.1.2 Transmission mode II.151
14.4.1.3 Transmission mode III.151
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7 ETSI EN 300 401 V1.4.1 (2006-06)
14.4.1.4 Transmission mode IV.152
14.4.2 Block partitioning and association of blocks to OFDM symbols in the Main Service Channel .153
14.4.2.1 Transmission mode I.153
14.4.2.2 Transmission mode II.154
14.4.2.3 Transmission mode III.155
14.4.2.4 Transmission mode IV.156
14.5 QPSK symbol mapper.157
14.6 Frequency interleaving.157
14.6.1 Transmission mode I.157
14.6.2 Transmission mode II.158
14.6.3 Transmission mode III.159
14.6.4 Transmission mode IV.160
14.7 Differential modulation.161
14.8 Transmitter Identification Information signal .161
14.8.1 Transmission modes I, II and IV.162
14.8.2 Transmission mode III.164
15 Radio frequency characteristics.164
15.1 Use of the transmission modes .164
15.2 Time characteristics.165
15.3 Spectrum characteristics.165
15.4 Spectrum mask.168
15.5 Permitted values of the central frequency .169
Annex A (informative): Main characteristics of the audio coding system .170
A.1 Audio signal characteristics.170
A.2 Audio coding characteristics .170
A.3 Audio associated data characteristics.171
A.4 Functions provided by PAD.171
Annex B (normative): Audio decoding.173
B.1 General.173
B.2 CRC check for audio side information.173
B.3 CRC check for Scale Factors.173
B.4 Decoding of the MPEG Audio Layer II bit stream .174
Annex C (informative): Audio encoding.175
C.1 Analysis sub-band filter.
...