IEC 62216:2009
(Main)Digital terrestrial television receivers for the DVB-T system
Digital terrestrial television receivers for the DVB-T system
IEC 62216:2009 specifies both Standard Definition and High Definition receivers for the DVB-T system. Subtitling and teletext are considered to be components of TV services. It addresses terrestrial delivery of digital transmissions and deployment in countries that use European Latin script based languages. Two types of systems are considered:
- standard systems where services are all SD and
- use well-established codecs.
Standard receivers which can decode standard services are suitable for these systems; advanced systems where some services may use advanced codecs, for example to provide HD video. Advanced receivers which can decode advanced services are suitable for these systems.
Récepteurs de télévision numérique terrestre pour le système DVB-T
L'IEC 62216:2009 spécifie à la fois les récepteurs de définition normalisés et de haute définition pour le système DVB-T.
Elle s’adresse:
• aux diffuseurs et
• aux fabricants de récepteurs.
L’objectif étant de définir:
• comment diffuser des émissions recevables par l’ensemble des récepteurs et permettre à ces derniers d’offrir aux téléspectateurs de bonnes fonctionnalités;
• le comportement requis pour les récepteurs afin de fonctionner correctement avec les services diffusés et d’être attractifs pour les téléspectateurs.
Pour éviter toute confusion, les expressions ʺdoitʺ, ʺil convient deʺ etc. sont utilisées de manière classique afin de distinguer les points importants de ceux qui le sont moins. Un récepteur de base prend en charge les caractéristiques obligatoires mais il ne prend pas en charge toutes les caractéristiques facultatives de la présente norme. L'introduction de caractéristiques facultatives fait partie de la stratégie de marketing du fabricant.
Le sous-titrage et le système télétexte sont considérés comme composantes des services de télévision. La possibilité d’un service télétexte seul (sans contenu vidéo associé) n’est pas prise en compte.
La présente norme concerne principalement la diffusion terrestre des transmissions numériques.
La présente norme traite principalement du déploiement dans les pays qui utilisent des langues basées sur l’écriture latine Européenne.
On considère deux types de système:
• les systèmes normalisés dont les services sont tous SD et utilisent des codecs bien connus. Les récepteurs standard qui peuvent décoder des services standard conviennent pour ces systèmes;
• les systèmes avancés où certains services peuvent utiliser des codecs avancés, par exemple pour fournir de la vidéo HD (haute définition). Les récepteurs avancés qui peuvent décoder des services avancés conviennent pour ces systèmes.
Lorsqu'on utilise le terme ʺrécepteurʺ ou ʺdiffusionʺ sans qualificatif, cet énoncé s'applique également aux deux types de systèmes.
General Information
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Standards Content (Sample)
IEC 62216 ®
Edition 1.0 2009-05
INTERNATIONAL
STANDARD
Digital terrestrial television receivers for the DVB-T system
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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IEC 62216 ®
Edition 1.0 2009-05
INTERNATIONAL
STANDARD
Digital terrestrial television receivers for the DVB-T system
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XF
ICS 33.160.25 ISBN 978-2-88910-643-1
– 2 – 62216 © IEC:2009(E)
CONTENTS
FOREWORD.8
INTRODUCTION.10
1 Scope and object.11
2 Normative references .11
3 Abbreviations and symbols .13
4 Receiver capabilities .15
4.1 Frequency spectrum.15
4.2 Conditional access .15
4.3 Return path .15
4.4 EPG (SI) .15
4.5 Auto installation.16
4.6 Teletext carried in digital streams.16
4.7 Content protection/copy management.16
4.8 Services .16
4.9 API.16
4.10 Over-air software update .16
4.11 Audio and video codecs .16
4.12 Future versions of this standard .17
5 Video system characteristics .17
5.1 General .17
5.2 Essential requirements .17
5.2.1 Standard services.17
5.2.2 Advanced services .17
5.3 Constraints and extensions .17
5.3.1 Support for rapid channel acquisition.17
5.3.2 Picture types .18
5.3.3 Compatibility.18
5.3.4 User data .19
5.3.5 Video alignment.19
5.3.6 Chroma sampling location .20
6 Video display formatting .21
6.1 General .21
6.2 Video format.21
6.2.1 General .21
6.2.2 Requirements for DVB compliance .21
6.3 Recommendations for signalling in the video stream .22
6.3.1 Sequence header .22
6.3.2 Sequence display extension .22
6.3.3 Constraints on the use of the picture display extension .23
6.3.4 Format switching .23
6.4 Video format signalling extensions .24
6.4.1 General .24
6.4.2 MPEG signalling .24
6.4.3 DVB signalling.24
6.4.4 Active format description .24
6.5 Recommendations for ISO/IEC 13818-1 signalling.32
62216 © IEC:2009(E) – 3 –
6.6 Alignment of SD video and graphics .32
6.6.1 Video with graphics .32
6.6.2 Uncertainty of position of graphics over video.32
6.7 Alignment of HD video and graphics.33
7 Audio system characteristics .33
7.1 General .33
7.2 Essential requirements .33
7.2.1 Requirements .34
7.2.2 Synchronisation.34
7.2.3 Audio metadata .34
7.2.4 Decoding requirements.34
7.3 Constraints and extensions .35
7.3.1 Digitally coded.35
7.3.2 Surround sound .35
7.3.3 AC-3 and Enhanced AC-3 audio .35
7.3.4 ISO/IEC 14496-3 audio.36
7.3.5 Receiver downmix .36
7.3.6 Digital audio output.36
7.4 Audio description.36
7.4.1 Background .36
7.4.2 Receiver implementation minima .37
7.4.3 Receiver mix AD signalling .37
7.4.4 Constraints on audio description stream coding.41
7.4.5 Receiver mix AD implementation notes.41
7.4.6 SI/PSI signalling .43
7.5 Audio only services .45
8 Multiplex and transport stream characteristics .45
8.1 Scope.45
8.2 Essential requirements .45
8.2.1 Multiplexing .45
8.2.2 Demultiplexing.46
8.3 Constraints and extensions .46
8.3.1 Multicomponent programs.46
9 Service and program specific information .47
9.1 General .47
9.1.1 General requirements .47
9.1.2 General receiver requirements .47
9.1.3 General broadcaster requirements.48
9.1.4 Notation.49
9.2 SI and PSI specification .49
9.2.1 Summary.49
9.2.2 Program association table .51
9.2.3 Program map table .51
9.2.4 Conditional access table.53
9.2.5 Network information table .54
9.2.6 Bouquet association table.56
9.2.7 Service description table .56
9.2.8 Event information table.59
9.2.9 Time and date table and time offset table .62
– 4 – 62216 © IEC:2009(E)
9.2.10 Running status table.62
9.2.11 Private data.62
9.2.12 Overview of service-variation options .68
9.3 Receiver functions.69
9.3.1 Information typically available to the user .69
9.3.2 Service change.69
9.3.3 Parental control .72
9.3.4 Receiver behaviour when a service stops .72
9.4 Establishing and maintaining the network connection .73
9.4.1 Use of SI identifiers .73
9.4.2 Auto installation.74
9.4.3 Network evolution.76
9.4.4 Logical channel numbers (LCN).78
9.4.5 Recommendation for robust SI acquisition.82
9.5 User interface.84
9.5.1 Presentation of text .84
9.5.2 Information presentation.85
9.5.3 Service navigation .87
9.5.4 Display of time.88
9.6 Recording devices.88
9.6.1 General .88
9.6.2 Programming.88
9.6.3 Execution of recording.88
9.6.4 Control of analogue recorders .89
10 Subtitles .89
10.1 General .89
10.2 Broadcast specifications.89
10.2.1 DVB subtitles.89
10.2.2 Signalling .90
10.2.3 DDS .90
10.2.4 Recommendation.90
10.3 Receiver functions.90
10.3.1 Background .90
10.3.2 User control of receiver behaviour .91
10.3.3 Support for DDS .91
11 VBI based services.91
11.1 General .91
11.2 Broadcast specifications.91
11.3 Receiver functions.92
11.3.1 Processing capabilities .92
11.3.2 Control .92
11.4 Extended VBI format support.92
11.4.1 VPS.93
11.4.2 WSS.93
11.4.3 Teletext and teletext subtitles .93
12 RF-part and channel decoder .93
12.1 General .93
12.2 Frequencies and channel bandwidth.93
12.3 DVB-T modes.93
62216 © IEC:2009(E) – 5 –
12.4 Tuning procedure .94
12.5 Change of modulation parameters .94
12.6 Connector .94
12.7 Performance.94
12.7.1 Failure point criteria.94
12.7.2 C/N performance .94
12.7.3 Minimum receiver signal input levels .95
12.7.4 Maximum input level.95
12.7.5 Immunity to analogue and/or digital signals in other channels.95
12.7.6 Immunity to co-channel interference from analogue TV signals.96
12.7.7 Guard interval utilisation in single frequency networks.97
12.7.8 MFN multipath performance.97
13 Conditional access and the common interface .98
13.1 General .98
13.2 Minimum requirements .98
13.2.1 Analogue Copy Protection Resource .98
14 System software update .99
14.1 General .99
14.2 Minimum requirements .99
14.3 Recommendations for SSU operators.99
15 Application Programming Interface (API) .99
16 Connectors.100
16.1 Standard receivers .100
16.2 Advanced receivers .100
16.2.1 Without display.100
16.2.2 With display.101
Annex A (normative) SI character set.102
Annex B (normative) DVB-SI PDC descriptor .111
Annex C (normative) Subtitling .113
Annex D (informative) An example of frequencies and offsets. 130
Annex E (informative) Noise model . 131
Annex F (informative) An example of C/N-performance with a practical transmitter . 132
Annex G (informative) Practical 6-path channel models for fixed and portable channels. 133
Annex H (informative) Interfering analogue signals .134
Bibliography.135
Figure 1 – Relationship between digital video and analogue video .19
Figure 2 – Receiver and display format processing reference model .26
Figure 3 – HD Receiver and display format processing reference model .27
Figure 4 – Uncertainty of positioning graphics over video.33
Figure 5 – Illustration of control of audio level.38
Figure 6 – Mapping of pan byte onto sound presentation .41
Figure 7 – Example of PMT extract for main programme audio .44
Figure 8 – Example of PMT extract for audio description .44
Figure 9 – Service regionalisation.79
Figure C.1 – High level bitstream organisation.114
– 6 – 62216 © IEC:2009(E)
Figure C.2 – Region depth selection .116
Figure C.3 – Mapping code strings to pixels in “requested” depth region.117
Figure C.4 – Mapping code strings to pixels.118
Figure C.5 – Subtitle reference decoder model .120
Figure C.6 – The two modelled decoding phases .121
Figure C.7 – Detail of data decoding phase .122
Figure C.8 – Disruption to display at start of new epoch.122
Figure E.1 – Tuner noise model .131
Figure H.1 – PAL interfering signals.134
Figure H.2 – SECAM L interfering signal.134
Table 1 – Broadcast overscan flags .20
Table 2 – Receiver overscan behaviour .20
Table 3 – Overscan signalling on HDMI .20
Table 4 – Horizontal scaling where format is signalled by the sequence header alone .22
Table 5 – Pan scan window .23
Table 6 – Non “full screen”.23
Table 7 – Formats described by the active_format description .25
Table 8 – Processing by STB connected to 4:3 TV.28
Table 9 – User options for displaying 16:9 on 4:3.29
Table 10 – User options for displaying >16:9 on 4:3.29
Table 11 – Processing by STB connected to 16:9 TV.30
Table 12 – WSS codes for aspect ratio .31
Table 13 – Values for other WSS bits .31
Table 14 – Audio description descriptor .38
Table 15 – Illustration of PES packet header .40
Table 16 – Key to symbols.49
Table 17 – Summary of required tables.50
Table 18 – Program descriptors .51
Table 19 – Elementary stream descriptors .51
Table 20 – Network descriptors (first loop).54
Table 21 – Transport stream descriptors (second loop).55
Table 22 – Service descriptors.57
Table 23 – Event information descriptors .60
Table 24 – Time offset table descriptors .62
Table 25 – Private SI recognised by this standard .63
Table 26 – Syntax of the eacem stream identifier descriptor .63
Table 27 – Syntax of the logical channel descriptor .64
Table 28 – Logical channel number .65
Table 29 – Syntax of the preferred name list descriptor .65
Table 30 – Syntax of the preferred name identifier descriptor .66
Table 31 – HD simulcast logical channel descriptor .67
Table 32 – Subtitle preference modes defined .70
62216 © IEC:2009(E) – 7 –
Table 33 – Receiver response to missing SI tables .83
Table 34 – Text field lengths.85
Table 35 – Delta values between picture failure point and reference BER .94
Table 36 – C/N (dB) for reference BER .95
Table 37 – Immunity to analogue signals on other channels.96
Table 38 – Immunity to digital signals on other channels .96
Table 39 – Immunity to co-channel interference from analogue signals.96
Table 40 – Long echo test profile.97
Table 41 – Short echo test profile .97
Table A.1 – Allowed character codes in SI text fields . 103
Table B.1 – Syntax of the PDC descriptor .111
Table C.1 – Additional display update budget for page/region operations.123
Table C.2 – Example subtitle system performance.126
Table F.1 – C/N (dB) for reference BER.132
Table G.1 – Approximate 6-tap channel for fixed reception (Ricean channel). 133
Table G.2 – Approximate 6-tap channel for portable reception (Rayleigh channel). .133
– 8 – 62216 © IEC:2009(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
DIGITAL TERRESTRIAL TELEVISION RECEIVERS
FOR THE DVB-T SYSTEM
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62216-1 has been prepared by technical area 1, Terminals for
audio, video and data services and contents, of IEC technical committee 100: Audio, video
and multimedia systems and equipment
This standard cancels and replaces IEC 62216-1, published in 2001. This first edition
constitutes a technical revision.
The text of this standard is based on the following documents:
CDV Report on voting
100/1449/CDV 100/1541/RVC
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
62216 © IEC:2009(E) – 9 –
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.
– 10 – 62216 © IEC:2009(E)
INTRODUCTION
Television has evolved over the last half century from an up-market entertainment medium to
becoming the major information tool around the world. Television is available to virtually all
people around the globe, be it individually or in a community setting.
The advent of the “personal computer”, enabling global reach and instant interaction has
escalated the demand for more and more information and the ability to respond to it instantly.
It is thus that the broadcasters and content providers set out to seek new means of delivering
higher levels of content, be it in volume or quality using existing or new transport mechanisms
available.
Digitalisation, taken from the world of information technology was the obvious choice. It
further brought the added benefits of efficient use of spectrum and energy. Terrestrial
television has to migrate from analogue to digital in order to survive in the new information
society.
Governments are keen to switch off the inefficient analogue broadcasts for a number of
obvious reasons, but only will be able to do so when consumers are confident that the new
proposition is attractive and affordable.
Due to the multitude of communities, sometimes single operators, often on a country by
country basis dealing with the parameters and standards options of launching Digital
Terrestrial services based on DVB, there is a natural tendency to create a variety of
incompatible platforms tied to particular TV operators, and this in turn does not allow for
economy of scale for all parties concerned, be it content providers, broadcasters, network
providers or equipment manufacturers.
In 2000, after over two years of requirement capture in DigiTAG (Digital Television Action
Group) EACEM (European Association of Consumer Electronics Manufacturers), which has
evolved into EICTA (European Information, Communications and Consumer Electronics
Technology Industry Associations), decided to address this situation by developing a basic
specification as a minimum platform, providing secure reception of broadcast content and
associated services. This resulted in the first revision of this standard. It has been used as a
basis in many countries to deploy Digital Terrestrial TV (DTT) with great success.
In 2007, with a new wave of High Definition services being considered to be launched due to
the availability of MPEG4 components, EICTA and the French “Forum HD” decided to
collaborate to create an update for High Definition, and make some minor adjustments that
were due after 7 years of practice with Standard Definition terrestrial TV in the market. The
new standard improvements are taking into account contributions and comments from a.o. UK
DTG (draft HD D-Book), Nordig and DGTVi. This standard does not yet address new
generations of channel coding (DVB-T2) now being considered by DVB. Extensions of this
standard in this domain may be foreseen in the future.
62216 © IEC:2009(E) – 11 –
DIGITAL TERRESTRIAL TELEVISION RECEIVERS
FOR THE DVB-T SYSTEM
1 Scope and object
This International Standard specifies both Standard Definition and High Definition receivers
for the DVB-T system.
It concerns:
• broadcasters, and
• receiver manufacturers.
The objective is to define:
• how to provide broadcasts that are understood by all receivers and enable receivers to
provide good facilities to their users;
• the behaviour required from receivers to work well with these broadcasts and to be
attractive to consumers.
To avoid doubt, the words “shall”, “should”, etc. are used in the traditional way to distinguish
issues that are mandatory versus those that are optional A baseline receiver will support the
mandatory features but not all the optional features in this standard. Inclusion of optional
features is part of the marketing strategy of the manufacturer.
Subtitling and teletext are considered to be components of TV services. Standalone teletext
services (without associated video content) are not part of this standard.
This standard primarily addresses terrestrial delivery of digital transmissions.
This standard primarily addresses deployment in countries that use European Latin script
based languages.
Two types of systems are considered:
• standard systems where services are all SD and use well-established codecs. Standard
receivers which can decode standard services are suitable for these systems;
• advanced systems where some services may use advanced codecs, for example to
provide HD video. Advanced receivers which can decode advanced services are suitable
for these systems.
Where the term “receiver” or “broadcast” is used without a qualifier, the statement is
applicable equally to both types of systems.
2 Normative references
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition
of the referenced document (including any amendments) applies.
IEC 61169-2, Radio-frequency connectors – Part 2: Sectional specification – Radio frequency
coaxial connectors of type 9,52
– 12 – 62216 © IEC:2009(E)
IEC 60958-1, Digital audio interface – Part 1: General
IEC 61937 (all parts), Digital audio – Interface for non-linear PCM encoded audio bitstreams
applying IEC 60958
ISO/IEC 6937, Information technology – Coded graphic character set for text communication –
Latin alphabet
ISO/IEC 8859-9, Information technology – 8-bit single-byte coded graphic character sets –
Part 9: Latin alphabet No. 5
ISO/IEC 11172-2, Information technology – Coding of moving pictures and associated audio
for digital storage media at up to about 1,5 Mbit/s – Part 2: Video
ISO/IEC 13818-1, Information technology – Generic coding of moving pictures and associated
audio information: Systems
ISO/IEC 13818-2, Information technology – Generic coding of moving pictures and associated
audio information: Video
ISO/IEC 13818-3, Information technology – Generic coding of moving pictures and associated
audio information: Audio
ISO/IEC 14496-3, Information Technology – Coding of audio-visual objects –Part 3: Audio
ISO/IEC 14496-10, Information technology – Coding of audio-visual objects – Part 10:
Advanced Video Coding
ISO 639-2, Codes for the representation of names of languages – Part 2: Alpha-3 code
ITU-R BS.775-2, Multichannel stereophonic sound system with and without accompanying
picture
ITU-R BT.470-7 Conventional television systems
ITU-R BT.1119-2, Wide-screen signalling for broadcasting (Signalling for wide-screen and
other enhanced television parameters)
ITU-R BT.1359-1, Relative timing of sound and vision for broadcasting
EN 50049-1, Domestic and similar electronic equipment interconnection requirements:
Peritelevision connector
EN 50221, Common Interface Specification for Conditional Access and Other Digital Video
Broadcasting Decoder Applications
EN 300 294, Television Systems – 625-line television Wide Screen Signalling (WSS)
EN 300 468, Digital Video Broadcasting (DVB) – Specification for Service Information (SI) in
DVB systems
EN 300 472, Digital Video Broadcasting (DVB) – Specification for conveying ITU-R System B
Teletext in DVB bitstreams
EN 300 743, Digital Video Broadcasting (DVB) – Subtitling systems
62216 © IEC:2009(E) – 13 –
EN 300 744, Digital Video Broadcasting (DVB) – Framing structure, channel coding and
modulation for digital terrestrial television
EN 301 775, Digital Video Broadcasting (DVB) – Specification for the carriage of Vertical
Blanking Information (VBI) data in DVB bitstreams
ETR 162, Digital broadcasting systems for television sound and data services; Allocation of
Service Information (SI) codes for Digital Video Broadcasting (DVB) systems
Note that the allocation of identifiers is handled by DVB; up-to-date information on DVB identifiers can be obtained
from .
ETR 289, Digital Video Broadcasting (DVB) – Support for use of scrambling and Conditional
Access (CA) within digital broadcasting systems
ETS 300 231, Television systems; Speci
...
IEC 62216 ®
Edition 1.0 2009-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Digital terrestrial television receivers for the DVB-T system
Récepteurs de télévision numérique terrestre pour le système DVB-T
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The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
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IEC 62216 ®
Edition 1.0 2009-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Digital terrestrial television receivers for the DVB-T system
Récepteurs de télévision numérique terrestre pour le système DVB-T
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.160.25 ISBN 978-2-8322-1040-9
– 2 – IEC 62216:2009 IEC 2009
CONTENTS
1 Scope and object . 12
2 Normative references . 12
3 Abbreviations and symbols . 14
4 Receiver capabilities . 16
4.1 Frequency spectrum . 16
4.2 Conditional access . 16
4.3 Return path . 16
4.4 EPG (SI) . 16
4.5 Auto installation. 17
4.6 Teletext carried in digital streams . 17
4.7 Content protection/copy management. 17
4.8 Services . 17
4.9 API . 17
4.10 Over-air software update . 17
4.11 Audio and video codecs . 17
4.12 Future versions of this standard . 18
5 Video system characteristics . 18
5.1 General . 18
5.2 Essential requirements . 18
5.2.1 Standard services . 18
5.2.2 Advanced services . 18
5.3 Constraints and extensions . 18
5.3.1 Support for rapid channel acquisition . 18
5.3.2 Picture types . 19
5.3.3 Compatibility. 19
5.3.4 User data . 20
5.3.5 Video alignment . 20
5.3.6 Chroma sampling location . 21
6 Video display formatting . 22
6.1 General . 22
6.2 Video format . 22
6.2.1 General . 22
6.2.2 Requirements for DVB compliance . 22
6.3 Recommendations for signalling in the video stream . 23
6.3.1 Sequence header . 23
6.3.2 Sequence display extension . 23
6.3.3 Constraints on the use of the picture display extension . 24
6.3.4 Format switching . 24
6.4 Video format signalling extensions . 25
6.4.1 General . 25
6.4.2 MPEG signalling . 25
6.4.3 DVB signalling . 25
6.4.4 Active format description . 25
6.5 Recommendations for ISO/IEC 13818-1 signalling. 33
6.6 Alignment of SD video and graphics . 33
6.6.1 Video with graphics . 33
6.6.2 Uncertainty of position of graphics over video . 33
6.7 Alignment of HD video and graphics . 34
7 Audio system characteristics . 34
7.1 General . 34
7.2 Essential requirements . 34
7.2.1 Requirements . 35
7.2.2 Synchronisation . 35
7.2.3 Audio metadata . 35
7.2.4 Decoding requirements . 35
7.3 Constraints and extensions . 36
7.3.1 Digitally coded . 36
7.3.2 Surround sound . 36
7.3.3 AC-3 and Enhanced AC-3 audio . 36
7.3.4 ISO/IEC 14496-3 audio . 37
7.3.5 Receiver downmix . 37
7.3.6 Digital audio output. 37
7.4 Audio description . 37
7.4.1 Background . 37
7.4.2 Receiver implementation minima . 38
7.4.3 Receiver mix AD signalling . 38
7.4.4 Constraints on audio description stream coding . 42
7.4.5 Receiver mix AD implementation notes . 42
7.4.6 SI/PSI signalling . 44
7.5 Audio only services . 46
8 Multiplex and transport stream characteristics . 46
8.1 Scope . 46
8.2 Essential requirements . 46
8.2.1 Multiplexing . 46
8.2.2 Demultiplexing . 47
8.3 Constraints and extensions . 47
8.3.1 Multicomponent programs. 47
9 Service and program specific information . 48
9.1 General . 48
9.1.1 General requirements . 48
9.1.2 General receiver requirements . 48
9.1.3 General broadcaster requirements . 49
9.1.4 Notation . 50
9.2 SI and PSI specification . 50
9.2.1 Summary . 50
9.2.2 Program association table . 52
9.2.3 Program map table . 52
9.2.4 Conditional access table . 54
9.2.5 Network information table . 55
9.2.6 Bouquet association table . 57
9.2.7 Service description table . 57
9.2.8 Event information table . 60
9.2.9 Time and date table and time offset table . 63
9.2.10 Running status table . 63
9.2.11 Private data . 63
9.2.12 Overview of service-variation options . 69
– 4 – IEC 62216:2009 IEC 2009
9.3 Receiver functions . 70
9.3.1 Information typically available to the user . 70
9.3.2 Service change . 70
9.3.3 Parental control . 73
9.3.4 Receiver behaviour when a service stops . 73
9.4 Establishing and maintaining the network connection . 74
9.4.1 Use of SI identifiers . 74
9.4.2 Auto installation . 75
9.4.3 Network evolution . 77
9.4.4 Logical channel numbers (LCN) . 79
9.4.5 Recommendation for robust SI acquisition . 83
9.5 User interface . 85
9.5.1 Presentation of text . 85
9.5.2 Information presentation . 86
9.5.3 Service navigation . 88
9.5.4 Display of time . 89
9.6 Recording devices . 89
9.6.1 General . 89
9.6.2 Programming . 89
9.6.3 Execution of recording . 89
9.6.4 Control of analogue recorders . 90
10 Subtitles . 90
10.1 General . 90
10.2 Broadcast specifications . 90
10.2.1 DVB subtitles . 90
10.2.2 Signalling . 91
10.2.3 DDS . 91
10.2.4 Recommendation . 91
10.3 Receiver functions . 91
10.3.1 Background . 91
10.3.2 User control of receiver behaviour . 92
10.3.3 Support for DDS . 92
11 VBI based services . 92
11.1 General . 92
11.2 Broadcast specifications . 92
11.3 Receiver functions . 93
11.3.1 Processing capabilities . 93
11.3.2 Control . 93
11.4 Extended VBI format support . 93
11.4.1 VPS . 94
11.4.2 WSS . 94
11.4.3 Teletext and teletext subtitles . 94
12 RF-part and channel decoder . 94
12.1 General . 94
12.2 Frequencies and channel bandwidth . 94
12.3 DVB-T modes . 94
12.4 Tuning procedure . 95
12.5 Change of modulation parameters . 95
12.6 Connector . 95
12.7 Performance . 95
12.7.1 Failure point criteria . 95
12.7.2 C/N performance . 95
12.7.3 Minimum receiver signal input levels . 96
12.7.4 Maximum input level . 96
12.7.5 Immunity to analogue and/or digital signals in other channels . 96
12.7.6 Immunity to co-channel interference from analogue TV signals . 97
12.7.7 Guard interval utilisation in single frequency networks . 98
12.7.8 MFN multipath performance . 98
13 Conditional access and the common interface . 99
13.1 General . 99
13.2 Minimum requirements . 99
13.2.1 Analogue Copy Protection Resource . 99
14 System software update . 100
14.1 General . 100
14.2 Minimum requirements . 100
14.3 Recommendations for SSU operators . 100
15 Application Programming Interface (API) . 100
16 Connectors . 101
16.1 Standard receivers . 101
16.2 Advanced receivers . 101
16.2.1 Without display . 101
16.2.2 With display . 102
Annex A (normative) SI character set . 103
A.1 Set of languages supported . 103
A.2 Structure of character table . 103
A.2.1 ISO/IEC 6937 . 103
A.2.2 ISO/IEC 8859-9 . 103
A.2.3 Character name . 103
A.2.4 UCS-2 . 104
A.2.5 Count . 104
A.2.6 Character table . 104
Annex B (normative) DVB-SI PDC descriptor . 112
B.1 General . 112
B.2 PDC descriptor . 112
B.2.1 descriptor_tag . 112
B.2.2 descriptor_length . 112
B.2.3 programme_identification_label . 112
Annex C (normative) Subtitling . 114
C.1 General . 114
C.2 Essential requirements . 114
C.3 Clarifications to EN 300 743 V1.2.1 (2002) . 114
C.3.1 Sequence of segments . 114
C.3.2 Indication of updates . 115
C.3.3 Colour translation during object decoding . 116
C.3.4 Page time out . 120
C.3.5 Other clarifications . 120
C.4 Revised decoder model . 120
– 6 – IEC 62216:2009 IEC 2009
C.4.1 Background . 120
C.4.2 Decoder model . 121
C.4.3 Encoding constraints . 124
C.5 UK specific features . 126
C.5.1 Limitations and approximation of transparency . 126
C.6 OSD conflicts . 127
C.6.1 Spatial . 127
C.6.2 Transparent colours . 127
C.7 System capabilities . 127
C.8 Encoding guidelines (informative) . 127
C.8.1 Fragmentation to improve decoding . 127
C.8.2 Definition of CLUTS at acquisition points . 127
C.8.3 Efficient use of non_modifying_colour_flag . 128
C.8.4 PSI/SI signalling . 128
C.9 Decoding guidelines . 128
C.9.1 Subtitle timing . 128
C.9.2 CLUT interpretation . 128
C.10 Decoder treatment of errors . 128
C.10.1 Segment order . 129
C.10.2 PCS . 129
C.10.3 RCS . 129
C.10.4 CDS . 130
C.10.5 ODS . 130
Annex D (informative) An example of frequencies and offsets . 131
D.1 UHF . 131
D.2 VHF. 131
Annex E (informative) Noise model . 132
Annex F (informative) An example of C/N-performance with a practical transmitter . 133
Annex G (informative) Practical 6-path channel models for fixed and portable channels. 134
G.1 Fixed reception (Ricean channel) . 134
G.2 Portable reception (Rayleigh channel) . 134
Annex H (informative) Interfering analogue signals . 135
H.1 PAL B/G/I1 . 135
H.2 SECAM L . 135
Figure 1 – Relationship between digital video and analogue video . 20
Figure 2 – Receiver and display format processing reference model . 27
Figure 3 – HD Receiver and display format processing reference model . 28
Figure 4 – Uncertainty of positioning graphics over video. 34
Figure 5 – Illustration of control of audio level . 39
Figure 6 – Mapping of pan byte onto sound presentation . 42
Figure 7 – Example of PMT extract for main programme audio . 45
Figure 8 – Example of PMT extract for audio description . 45
Figure 9 – Service regionalisation . 80
Figure C.1 – High level bitstream organisation . 115
Figure C.2 – Region depth selection . 117
Figure C.3 – Mapping code strings to pixels in “requested” depth region . 118
Figure C.4 – Mapping code strings to pixels . 119
Figure C.5 – Subtitle reference decoder model . 121
Figure C.6 – The two modelled decoding phases . 122
Figure C.7 – Detail of data decoding phase . 123
Figure C.8 – Disruption to display at start of new epoch . 123
Figure E.1 – Tuner noise model . 132
Figure H.1 – PAL interfering signals . 135
Figure H.2 – SECAM L interfering signal . 135
Table 1 – Broadcast overscan flags . 21
Table 2 – Receiver overscan behaviour . 21
Table 3 – Overscan signalling on HDMI . 21
Table 4 – Horizontal scaling where format is signalled by the sequence header alone . 23
Table 5 – Pan scan window . 24
Table 6 – Non “full screen” . 24
Table 7 – Formats described by the active_format description . 26
Table 8 – Processing by STB connected to 4:3 TV . 29
Table 9 – User options for displaying 16:9 on 4:3 . 30
Table 10 – User options for displaying >16:9 on 4:3 . 30
Table 11 – Processing by STB connected to 16:9 TV . 31
Table 12 – WSS codes for aspect ratio . 32
Table 13 – Values for other WSS bits . 32
Table 14 – Audio description descriptor . 39
Table 15 – Illustration of PES packet header . 41
Table 16 – Key to symbols . 50
Table 17 – Summary of required tables . 51
Table 18 – Program descriptors . 52
Table 19 – Elementary stream descriptors . 52
Table 20 – Network descriptors (first loop) . 55
Table 21 – Transport stream descriptors (second loop) . 56
Table 22 – Service descriptors . 58
Table 23 – Event information descriptors . 61
Table 24 – Time offset table descriptors . 63
Table 25 – Private SI recognised by this standard . 64
Table 26 – Syntax of the eacem stream identifier descriptor . 64
Table 27 – Syntax of the logical channel descriptor . 65
Table 28 – Logical channel number . 66
Table 29 – Syntax of the preferred name list descriptor . 66
Table 30 – Syntax of the preferred name identifier descriptor . 67
Table 31 – HD simulcast logical channel descriptor . 68
Table 32 – Subtitle preference modes defined . 71
Table 33 – Receiver response to missing SI tables . 84
Table 34 – Text field lengths . 86
– 8 – IEC 62216:2009 IEC 2009
Table 35 – Delta values between picture failure point and reference BER . 95
Table 36 – C/N (dB) for reference BER . 96
Table 37 – Immunity to analogue signals on other channels . 97
Table 38 – Immunity to digital signals on other channels . 97
Table 39 – Immunity to co-channel interference from analogue signals . 97
Table 40 – Long echo test profile . 98
Table 41 – Short echo test profile . 98
Table A.1 – Allowed character codes in SI text fields . 104
Table B.1 – Syntax of the PDC descriptor . 112
Table C.1 – Additional display update budget for page/region operations . 124
Table C.2 – Example subtitle system performance . 127
Table F.1 – C/N (dB) for reference BER . 133
Table G.1 – Approximate 6-tap channel for fixed reception (Ricean channel) . 134
Table G.2 – Approximate 6-tap channel for portable reception (Rayleigh channel) . 134
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
DIGITAL TERRESTRIAL TELEVISION RECEIVERS
FOR THE DVB-T SYSTEM
FOREWORD
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International Standard IEC 62216-1 has been prepared by technical area 1, Terminals for
audio, video and data services and contents, of IEC technical committee 100: Audio, video
and multimedia systems and equipment
The text of this standard is based on the following documents:
CDV Report on voting
100/1449/CDV 100/1541/RVC
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
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