ETSI TS 103 176 V2.3.1 (2019-11)

Digital Audio Broadcasting (DAB); Rules of implementation; Service information features

RTS/JTC-DAB-97

General Information

• Status: Published
• Publication Date: 05-Nov-2019
• Technical Committee: BROADCAS - EBU/CENELEC/ETSI on Broadcasting
• Current Stage: 12 - Completion
• Due Date: 31-Oct-2019
• Completion Date: 06-Nov-2019

Standards Content (Sample)

ETSI TS 103 176 V2.3.1 (2019-11)






TECHNICAL SPECIFICATION
Digital Audio Broadcasting (DAB);
Rules of implementation;
Service information features

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2 ETSI TS 103 176 V2.3.1 (2019-11)



Reference
RTS/JTC-DAB-97
Keywords
audio, broadcasting, coding, DAB, digital
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3 ETSI TS 103 176 V2.3.1 (2019-11)
Contents
Intellectual Property Rights . 10
Foreword . 10
Modal verbs terminology . 10
1 Scope . 11
2 References . 11
2.1 Normative references . 11
2.2 Informative references . 11
3 Definition of terms, symbols and abbreviations . 12
3.1 Terms . 12
3.2 Symbols . 12
3.3 Abbreviations . 13
4 Overview . 14
5 Service following . 15
5.1 Introduction . 15
5.1.0 General . 15
5.1.1 Service linking information . 16
5.1.2 OE Services . 16
5.1.3 Frequency information . 17
5.1.4 Country information, LTO and International Table . 17
5.2 Service linking . 17
5.2.0 General . 17
5.2.1 Short form - Activation state and change event indication . 18
5.2.2 Long form - Database definition . 18
5.2.3 Linkage sets . 18
5.2.4 Signalling a link . 20
5.2.4.0 General . 20
5.2.4.1 Defining a linkage set. 20
5.2.4.2 Changing the linkage set . 21
5.2.4.3 Signalling the activation state of linkage sets. 21
5.2.5 Receiver behaviour for a link . 21
5.2.5.0 General . 21
5.2.5.1 Reaction to CEI . 21
5.2.5.2 Reaction to definition . 21
5.2.5.3 Reaction to activation and deactivation. 22
5.3 OE Services . 22
5.3.0 General . 22
5.3.1 Short form - Change event indication . 22
5.3.2 Long form - Database definition . 22
5.3.3 OE Services fields . 22
5.3.4 Signalling . 23
5.3.4.0 General . 23
5.3.4.1 Defining the database . 23
5.3.4.2 Changing the database . 23
5.3.5 Receiver behaviour . 23
5.3.5.0 General . 23
5.3.5.1 Reaction to CEI . 23
5.3.5.2 Reaction to definition . 24
5.4 Frequency information . 24
5.4.0 General . 24
5.4.1 Short form - Change event indication . 24
5.4.2 Long form - Database definition . 24
5.4.3 Frequency information fields . 24
5.4.4 Signalling . 25
5.4.4.0 General . 25
ETSI

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4 ETSI TS 103 176 V2.3.1 (2019-11)
5.4.4.1 Defining the database . 25
5.4.4.2 Changing the database . 25
5.4.5 Receiver behaviour . 25
5.4.5.0 General . 25
5.4.5.1 Reaction to CEI . 25
5.4.5.2 Reaction to definition . 25
5.5 Transmission network examples . 26
5.5.1 DAB / DAB service following . 26
5.5.2 DAB / FM-RDS service following . 26
5.5.3 DAB / DRM service following . 27
5.6 Receiver reference model . 27
5.6.0 General . 27
5.6.1 Reception monitoring . 27
5.6.2 Information base . 27
5.6.3 Service following procedure . 28
5.6.3.1 Overview . 28
5.6.3.2 Stage 1: Find same service . 29
5.6.3.3 Stage 2: Follow hard links . 29
5.6.3.4 Stage 3: Follow soft links . 30
5.6.3.5 Handling of bearer system transitions . 30
5.6.4 Selection procedure. 31
5.6.5 Linkage sets . 31
5.6.6 Linkage set management . 32
6 Service lists . 34
6.1 Introduction . 34
6.2 Managing ensemble changes . 34
6.2.1 Describing an ensemble . 34
6.2.2 What is the service list . 34
6.2.3 Establishment of the service list . 35
6.2.4 Maintenance of the service list . 36
6.2.5 Signalling conventions . 37
6.3 Adding service elements to an ensemble . 37
6.3.1 Introduction. 37
6.3.2 Signalling . 38
6.3.2.1 Preparation phase . 38
6.3.2.2 Reconfiguration phase . 38
6.3.2.3 Consolidation phase . 38
6.3.3 Receiver behaviour . 39
6.3.3.1 General . 39
6.3.3.2 Response to signalling. 39
6.4 Removing service elements from an ensemble . 39
6.4.1 Introduction. 39
6.4.2 Signalling . 40
6.4.2.1 Preparation phase . 40
6.4.2.2 Reconfiguration phase . 41
6.4.2.3 Consolidation phase . 41
6.4.3 Receiver behaviour . 42
6.4.3.1 General . 42
6.4.3.2 Response to signalling. 42
6.5 Changing the identity or source of a service . 43
6.5.1 Introduction. 43
6.5.2 Signalling . 43
6.5.2.1 Preparation phase . 43
6.5.2.2 Reconfiguration phase . 44
6.5.2.3 Consolidation phase . 44
6.5.3 Receiver behaviour . 44
6.5.3.1 General . 44
6.5.3.2 Response to signalling. 45
6.6 Changing the label of a service element . 46
6.6.1 Introduction. 46
6.6.2 Signalling . 46
ETSI

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5 ETSI TS 103 176 V2.3.1 (2019-11)
6.6.3 Receiver behaviour . 46
7 Announcements . 46
7.1 Introduction . 46
7.1.1 What is an announcement? . 46
7.1.2 What is an alarm? . 47
7.2 Signalling conventions . 47
7.2.1 What is a cluster? . 47
7.2.2 Management of Cluster Ids and OE Cluster Ids. 47
7.2.3 Signalling announcement support . 47
7.2.4 Enabling alarms . 48
7.2.5 Signalling announcement switching . 48
7.2.6 Announcement concurrency . 48
7.2.7 Synchronization requirements . 49
7.2.7.1 General . 49
7.2.7.2 User requirements . 49
7.2.7.3 Timing issues . 49
7.2.8 New flag . 49
7.3 Receiver response . 50
7.3.1 Announcement mode . 50
7.3.2 Support for alarms . 50
7.3.3 Monitoring the signalling . 50
7.3.4 Filtering of announcements . 50
7.3.5 Prioritization of announcements . 51
7.3.6 Target selection process . 51
7.3.6.1 General . 51
7.3.6.2 Tuned ensemble announcements and alarms . 52
7.3.6.3 Other ensemble announcements . 52
7.3.6.4 Other ensemble alarms . 52
7.3.7 Terminating an announcement . 52
7.3.8 Performance aspects . 52
7.3.9 Audio codec and user application handling . 53
7.3.10 Interpretation of the 'New Flag' . 53
7.4 Tuned ensemble regular announcements . 53
7.4.1 Introduction. 53
7.4.2 Announcement support . 53
7.4.2.1 Signalling . 53
7.4.2.2 Receiver response . 54
7.4.3 Announcement switching . 54
7.4.3.1 Signalling . 54
7.4.3.2 Receiver response . 54
7.5 Other ensemble regular announcements . 55
7.5.1 Introduction. 55
7.5.2 Announcement support . 55
7.5.2.1 Signalling . 55
7.5.2.2 Receiver response . 55
7.5.3 Announcement switching . 56
7.5.3.1 Signalling . 56
7.5.3.2 Receiver response . 56
7.6 Tuned ensemble alarm announcements . 57
7.6.1 Introduction. 57
7.6.2 Announcement support . 57
7.6.2.1 Signalling of the Alarm flag . 57
7.6.2.2 Receiver response . 57
7.6.3 Announcement switching . 57
7.6.3.1 Signalling .
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