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1、a Date: 30 January 2008 Origin: International Latest date for receipt of comments: 30 April 2008 Project no.: 2008/00354 Responsible committee: EPL/100 Audio, video and multimedia systems and equipment Interested committees: Title: Draft BS EN 62516 IEC 62516: Terrestrial digital multimedia broadcas
2、ting (T-DMB) receivers (TA1) Supersession information: If this document is published as a standard, the UK implementation of it will supersede NONE and partially supersede. NONE If you are aware of a current national standard which may be affected, please notify the secretary (contact details below)
3、. WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 30 April 2008. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication. No acknowledgement will normally be sent.
4、See overleaf for information on commenting. No copying is allowed, in any form, without prior written permission from BSI except as permitted under the Copyright, Designs and Patent Act 1988 or for circulation within a nominating organization for briefing purposes. Electronic circulation is limited
5、to dissemination by e-mail within such an organization by committee members. Further copies of this draft may be purchased from BSI Customer Services, Tel: +44(0) 20 8996 9001 or email ordersbsi-. British, International and foreign standards are also available from BSI Customer Services. Information
6、 on the co-operating organizations represented on the committees referenced above may be obtained from the responsible committee secretary. Cross-references The British Standards which implement International or European publications referred to in this draft may be found via the British Standards O
7、nline Service on the BSI web site http:/www.bsi-. Direct tel: 020 8996 7298 Responsible Committee Secretary: Mr Ciaran Molloy (BSI) E-mail: ciaran.molloybsi- Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Versio
8、n 7.0 DPC: 08/30177138 DC Licensed Copy: London South Bank University, London South Bank University, Fri Feb 15 06:55:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI b Introduction This draft standard is based on international discussions in which the UK has taken an active part. Your comments on this
9、 draft are welcome and will assist in the preparation of the consequent standard. If no comments are received to the contrary, then the UK will approve this draft. There is a high probability that this text could be adopted by CENELEC as a reference document for harmonization or as a European Standa
10、rd. Recipients of this draft are requested to comment on the text bearing in mind this possibility. UK Vote Please indicate whether you consider the UK should submit a negative (with reasons) or positive vote on this draft. Submission The guidance given below is intended to ensure that all comments
11、receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. All comments must be submitted, preferably electronically, to the Responsible Committee Secretary at the address given on the front cover. Comments should be compat
12、ible with Version 6.0 or Version 97 of Microsoft Word for Windows, if possible; otherwise comments in ASCII text format are acceptable. Any comments not submitted electronically should still adhere to these format requirements. All comments submitted should be presented as given in the example below
13、. Further information on submitting comments and how to obtain a blank electronic version of a comment form are available from the BSI web site at: http:/www.bsi- Template for comments and secretariat observations Date: xx/xx/200x Document: ISO/DIS xxxxx 1 2 (3) 4 5 (6) (7) MB Clause No./ Subclause
14、No./ Annex (e.g. 3.1) Paragraph/ Figure/Table/ Note (e.g. Table 1) Type of com- ment Comment (justification for change) by the MB Proposed change by the MB Secretariat observations on each comment submitted 3.1 Definition 1 ed Definition is ambiguous and needs clarifying. Amend to read . so that the
15、 mains connector to which no connection . 6.4 Paragraph 2 te The use of the UV photometer as an alternative cannot be supported as serious problems have been encountered in its use in the UK. Delete reference to UV photometer. Microsoft and MS-DOS are registered trademarks, and Windows is a trademar
16、k of Microsoft Corporation. Licensed Copy: London South Bank University, London South Bank University, Fri Feb 15 06:55:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI FORM CDV (IEC) 2005-09-23 100/1346/CDV COMMITTEE DRAFT FOR VOTE (CDV) PROJET DE COMIT POUR VOTE (CDV) Project number IEC 62516/Ed.1 Nu
17、mro de projet IEC/TC or SC: TC100/TA1 CEI/CE ou SC: Secretariat / Secrtariat Japan Submitted for parallel voting in CENELEC Soumis au vote parallle au CENELEC Date of circulation Date de diffusion 2008-01-25 Closing date for voting (Voting mandatory for P-members) Date de clture du vote (Vote obliga
18、toire pour les membres (P) 2008-06-27 Also of interest to the following committees Intresse galement les comits suivants Supersedes document Remplace le document 100/1257/CD Functions concerned Fonctions concernes Safety Scurit EMC CEM Environment Environnement Quality assurance Assurance qualit CE
19、DOCUMENT EST TOUJOURS LTUDE ET SUSCEPTIBLE DE MODIFICATION. IL NE PEUT SERVIR DE RFRENCE. LES RCIPIENDAIRES DU PRSENT DOCUMENT SONT INVITS PRSENTER, AVEC LEURS OBSERVATIONS, LA NOTIFICATION DES DROITS DE PROPRIT DONT ILS AURAIENT VENTUELLEMENT CONNAISSANCE ET FOURNIR UNE DOCUMENTATION EXPLICATIVE. T
20、HIS DOCUMENT IS STILL UNDER STUDY AND SUBJECT TO CHANGE. IT SHOULD NOT BE USED FOR REFERENCE PURPOSES. RECIPIENTS OF THIS DOCUMENT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION. Title : IEC 62516
21、: Terrestrial digital multimedia broadcasting (T-DMB) receivers (TA1) Introductory note Based on the decision done by PT meeting held in Colmar, France on 10th October 2007, the words “Standard for” were deleted from the title. The National Committees are requested to note that for this publication
22、the maintenance result date is 2012. ATTENTION VOTE PARALLLE CEI CENELEC Lattention des Comits nationaux de la CEI, membres du CENELEC, est attire sur le fait que ce projet de comit pour vote (CDV) de Norme internationale est soumis au vote parallle. Un bulletin de vote spar pour le vote CENELEC leu
23、r sera envoy par le Secrtariat Central du CENELEC. ATTENTION IEC CENELEC PARALLEL VOTING The attention of IEC National Committees, members of CENELEC, is drawn to the fact that this Committee Draft for Vote (CDV) for an International Standard is submitted for parallel voting. A separate form for CEN
24、ELEC voting will be sent to them by the CENELEC Central Secretariat. Copyright 2008 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download this electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee
25、positions. You may not copy or “mirror“ the file or printed version of the document, or any part of it, for any other purpose without permission in writing from IEC. Licensed Copy: London South Bank University, London South Bank University, Fri Feb 15 06:55:15 GMT+00:00 2008, Uncontrolled Copy, (c)
26、BSI 62516/Ed.1 CDV IEC:200x(E) 2 CONTENTS 1 Scope.3 2 Normative references .3 3 Definitions and abbreviations4 3.1 Definitions .4 3.2 Abbreviations 4 4 Summary of receiver implementation4 4.1 General .4 4.2 Basic operation of a T-DMB transmitter .5 4.3 Functional requirements 6 4.4 Summary of audio
27、service .6 4.5 Summary of video service .7 4.6 Summary of data service .7 5 Requirements on receiver implementations 7 5.1 T-DMB service selection and basic requirements.7 5.2 Audio service requirements .7 5.3 Video service requirements .8 5.4 Receiver channel switch time and initial access time (de
28、lay) .8 5.5 Audio and video synchronization .9 5.6 Functional requirements on the interfaces of auxiliary data9 6 T-DMB video service system 9 7 Video10 7.1 Two-layer architecture.10 7.2 AVC features applied to T-DMB.11 8 Audio12 8.1 Summary of BSAC and HE-AAC12 8.2 Operational method for decoding a
29、udio objects .13 9 Auxiliary data .13 9.1 Examples of services using auxiliary data13 9.2 Receiver structure for processing auxiliary data 14 9.3 Transmission of image data.15 10 Minimum RF performance specification 15 10.1 RF summary15 10.2 RF Frequency band.15 10.3 RF input 15 10.4 RF operational
30、characteristics .15 Bibliography198 Licensed Copy: London South Bank University, London South Bank University, Fri Feb 15 06:55:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI 62516/Ed.1 CDV IEC:200x(E) 3 TERRESTRIAL DIGITAL MULTIMEDIA BROADCASTING (T-DMB) RECEIVERS 1 Scope This international standard
31、 specifies the characteristics and requirement for terrestrial digital multimedia broadcasting (T-DMB) receivers. The contents of this standard include T-DMB system information, video, audio, and MPEG-4 BIFS data. 2 Normative references The following referenced documents are indispensable for the ap
32、plication 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. ETSI EN 300 401 v1.3.3 Radio Broadcasting Systems; Digital Audio Broadcasting (DAB) to mobile, portable and fixe
33、d receivers ETSI TS 102 428 V1.1.1 (2005-06) Digital Audio Broadcasting (DAB); DMB video service; User Application Specification ETSI TS 102 427 V1.1.1 (2005-07) Digital Audio Broadcasting (DAB); Data Broadcasting - MPEG-2 TS streaming ISO/IEC 13818-1: 2000 Information technology - Generic coding of
34、 moving pictures and associated audio information: Systems ISO/IEC 14496-1: 2004 Information technology - Coding of audio-visual objects - Part 1: Systems ISO/IEC 14496-3: 2001 Information technology - Coding of audio-visual objects - Part 3: Audio ITU-T Rec. H.264 | ISO/IEC 14496-10 Information tec
35、hnology - Coding of audio-visual objects - Part 10: Advanced Video Coding ISO/IEC 14496-11: 2005 Information technology - Coding of audio-visual objects - Part 11: BIFS IEC 62104: 2003 Characteristics of DAB receivers ETSI TR 101 496-3 v1.1.2 (2001-05) Digital Audio Broadcasting (DAB); Guidelines an
36、d rules for implementation and operation; Part 3: Broadcast network Licensed Copy: London South Bank University, London South Bank University, Fri Feb 15 06:55:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI 62516/Ed.1 CDV IEC:200x(E) 4 3 Definitions and Abbreviations 3.1 Definitions For the purpose o
37、f this International Standard, the following terms and definitions apply. T-DMB receiver A terminal that can receive and process the programs transmitted following this T-DMB receiver standard Minimum required performance The lowest performance level allowed for a receiver to be called as T-DMB rece
38、iver 3.2 Abbreviations ASO Arbitrary Slice Order AU Access Unit AV Audio/Video BIFS BInary Format for Scene BSAC Bit-Sliced Arithmetic Coding CAVLC Context Adaptive Variable Length Coding CTS Composition Time Stamp CIF Common Interchange Format DP Data Partitioning ES Elementary Stream FMO Flexible
39、Macroblock Ordering IMDCT Inverse Modified Discrete Cosine Transform IDR Instantaneous Decoder Refresh IOD Initial Object Descriptor MCI Multiplex Configuration Information MOT Multimedia Object Transfer NAL Network Abstraction Layer OCR Object Clock Reference OD Object Descriptor OFDM Orthogonal Fr
40、equency Division Multiplexing OTC Object Time Clock PAT Program Association Table PCR Program Clock Reference PID Program IDentifier PMT Program Map Table PES Packetized Elementary Stream PTS Presentation Time Stamp QCIF Quarter CIF QVGA Quarter VGA RS Redundant Slice RS-coded Reed-Solomon coded SEI
41、 Supplement Enhancement Information STC System Time Clock VCL Video Coding Layer VGA Video Graphics Array WDF Wide DMB Format 4 Summary of receiver implementation 4.1 General This international standard provides the characteristics and minimum required performance specifications necessary in impleme
42、nting T-DMB receivers in order to minimize flaws due to misunderstandings of the relevant standards. This chapter provides just a summary of this specification. Normative characteristics and requirements are provided in detail in clause 5 - 10. Licensed Copy: London South Bank University, London Sou
43、th Bank University, Fri Feb 15 06:55:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI 62516/Ed.1 CDV IEC:200x(E) 5 4.2 Basic operation of a T-DMB transmitter As shown in Figure 1, the T-DMB system is an extension of the existing DAB system by newly adding a video multiplexer before the stream mode chan
44、nel. Main Service (MSC) Multiplexer Time Interleaver Convolutional Encoder Energy Dispersal Scrambler Fast Information (FIC) Path Video Multiplexer Stream Mode Video Service FIC Data service DAB (ETSI EN 300 401) CIFs Optional Conditional Access Scrambler Service Information (SI) Path General DAB Pa
45、th DAB Audio Frame Path General DAB Path Packet mode data Path Trans- mission frame Multiplexer Packet Data Service Audio Program Service Service Information Multiplexer Control Data OFDM Signal Generator Video Transmission Signal Figure 1 Conceptual transmission architecture for the video services
46、Figure 2 shows the conceptual structure of the video multiplexer including an IOD generator that provides the information on system initialization, an OD/BIFS generator that provides information on scene composition using objects, and AV encoders that generate audio/video compressed streams. The IOD
47、, OD, BIFS, compressed AV data, and auxiliary data are packetized and multiplexed into a RS-coded MPEG-2 TS. The RS code is included here for maintaining the multiplexed video data at higher quality than those of existing DAB signals. For each of the video, audio, and data services provided by the v
48、ideo multiplexer in Figure 2, this standard specifies characteristics and requirements that are needed in implementing a receiver that supports such services. Licensed Copy: London South Bank University, London South Bank University, Fri Feb 15 06:55:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI 625
49、16/Ed.1 CDV IEC:200x(E) 6 IOD Generator OD/BIFS Generator AVC Video Encoder BSAC Audio Encoder Auxiliary Data SL Packetizer OD/BIFS Stream Video ES Audio ES AUX Data ES IOD Data Section Generator OD/BIFS SL Packet PES Packetizer Video SL Packet Audio SL Packet Auxiliary data SL Packet TS Multiplexer PSI Section 14496 Section PES Packet Outer Encoder RS(204,188) MPEG-2 TS Outer Convolutional Inter