COMMITTEE CT-002 DR 03657 (Project ID: 2496) Draft for Public Comment Australian Standard LIABLE TO ALTERATION—DO NOT USE AS A STANDARD BEGINNING DATE 30 December 2003 FOR COMMENT: CLOSING DATE 2 March 2004 FOR COMMENT: Digital television—Requirements for receivers Part 1: 7 MHz VHF/UHF DVB-T television broadcasts (Revision of AS 4933.1—2000) PRICE CODE: D COPYRIGHT Draft for Public Comment Australian Standard The committee responsible for the issue of this draft comprised representatives of organizations interested in the subject matter of the proposed Standard. These organizations are listed on the inside back cover. Comments are invited on the technical content, wording and general arrangement of the draft. The preferred method for submission of comment is to download the MS Word comment form found at http://www.standards.com.au/Catalogue/misc/Public%20Comment%20Form.doc. This form also includes instructions and examples of comment submission. 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STANDARDS AUSTRALIA Customer Service Centre Telephone: 1300 65 46 46 Facsimile: 1300 65 49 49 e-mail: mailto:[email protected] Internet: http://www.standards.com.au/ Draft for Public Comment STANDARDS AUSTRALIA Committee CT-002—Broadcasting and Related Services Subcommittee CT-002-02 (CT/2/A) — TB Receiving Equipment DRAFT Australian Standard Digital television—Requirements for receivers Part 1: 7 MHz VHF/UHF DVB-T television broadcasts (Revision of AS 4933.1—2000) (To be AS 4933.1—200X) This draft proposes to provide television receiver manufacturers with the technical specifications and requirements of digital television receivers in order to achieve successful reception from free-to-air DTTB transmissions that comply with the Australian DTTB transmission Standard AS 4599 (including current Amendments). Comment on the draft is invited from people and organizations concerned with this subject. It would be appreciated if those submitting comment would follow the guidelines given on the inside front cover. This document is a draft Australian Standard only and is liable to alteration in the light of comment received. It is not to be regarded as an Australian Standard until finally issued as such by Standards Australia. 2496-PDR 22/12/2003 DRAFT ONLY 2 DRAFT ONLY PREFACE This Standard was prepared by the Joint Standards Australia/Standards New Zealand Committee CT 002, Broadcasting and Related Services. It is the result of a consensus among the representatives to the Joint Committee to produce it as an Australian Standard. The objective of this Standard is to provide television receiver manufacturers with the technical specifications and requirements of digital television receivers in order to achieve successful reception from free-to-air DTTB transmissions that comply with the Australian DTTB transmission Standard: AS 4599, (including current Amendments) Digital television—Terrestrial broadcasting— Characteristics of digital terrestrial television transmissions. Interoperability issues for DVB-S, DVB-C and Datacasting are not addressed in this part of the Standard. The terms ‘normative’ and ‘informative’ have been used in this Standard to define the application of the Appendix to which they apply. A ‘normative’ Appendix is an integral part of a Standard, whereas an ‘informative’ Appendix is only for information and guidance. Informative sections are included also in the main body of this standard. 2496-PDR 22/12/2003 DRAFT ONLY 3 DRAFT ONLY CONTENTS PREFACE……….......................................................................................................................2 SECTION 1 SCOPE AND APPLICATION ...........................................................................11 1.1 Scope……................................................................................................................. 11 1.2 Application................................................................................................................ 11 SECTION 2 REFERENCED DOCUMENTS .........................................................................13 SECTION 3 ESSENTIAL AND OPTIONAL REQUIREMENTS..........................................16 3.1 RECEIVER REQUIREMENTS ............................................................................... 16 1 Basic features ................................................................................................17 1.1 Minimum requirements for Terrestrial Reception—Performance .......... 17 1.2 Receive capability for analogue PAL transmissions............................... 18 1.3 Australian regulatory and safety requirements........................................ 18 1.3.1 Electrical safety.......................................................................18 1.3.2 EMC........................................................................................18 1.4 Receiver display resolution specification................................................ 18 2 Power on operations ......................................................................................18 2.1 First time operation initialization ............................................................ 18 2.2 Subsequent switch-on.............................................................................. 18 2.3 Identifying new services in current or new location ............................... 19 2.4 Stand-By Power ..................................................................................... 19 3 User Operation ..............................................................................................19 3.1 Operating system..................................................................................... 19 3.2 Hardware reset ........................................................................................ 19 3.3 Initial Set-Up........................................................................................... 19 3.3.1 Set-up Menu and Non-volatile information storage.................19 3.3.2 Initial tuning scan (Virgin Mode) ...........................................19 3.4 Assigning Numbering to Services and navigation .................................. 19 3.4.1 Menu List of Services..............................................................19 3.4.2 Logical Channel Numbering (LCN) ........................................20 3.4.3 Services without LCNs............................................................20 3.4.4 Duplicated LCNs and Service (Channel) list editing. ..............21 3.4.5 Linkage Descriptor..................................................................21 3.4.6 Dynamic response to PAT, PMT, NIT and SDT updates.........21 3.5 Display Electronic Services Guide (OSD) and navigation ..................... 22 3.6 Signal quality monitor............................................................................. 22 3.7 Selection of radio services....................................................................... 22 3.8 Service unavailable— On-screen advice:................................................ 22 3.9 Remote Control ....................................................................................... 22 4 RF Characteristics, COFDM Demodulation and Channel decoding...............23 4.1 RF Characteristics ................................................................................... 23 4.1.1 Transmission channel bandwidth.............................................23 4.1.2 Notional receiver noise figure ................................................23 4.1.3 RF connector ...........................................................................23 4.1.4 Digital terrestrial receiver tuner’s frequency range..................23 4.1.5 Channel Offsets.......................................................................23 4.1.6 COFDM Intermediate Frequency (IF) and Spectrum polarity..23 2496-PDR 22/12/2003 DRAFT ONLY 4 DRAFT ONLY 4.2 Operation in Single Frequency Network (SFN) Environments .............. 24 4.3 COFDM modes .....................................................................................