1 DRAFT AUSTRALIAN STANDARD - DIGITAL TELEVISION The SI Details

2 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE General Considerations Australian Standard will set the minimum requirements for Baseline IRDs. Once the Standard is defined all decoders need to be backward compatible. The Australian Standard references ETSI, AS/NZ, DVB, ITU, IEC/ISO and DAVIC standards.

3 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE General Considerations Final Publication on CD-ROM together with reference standards and links. Periodically updated to latest approved texts

4 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE DVB Standards Some DVB Standards are “Living Documents”. Some DVB Blue Books are still updated. Some new DVB Blue Books are still produced.

5 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE DVB Standards DVB standards are published and updated through additions and revisions to the ETSI standards. Latest advice from the DVB Project Office, the DVB FTP site and the DVB CD-ROM regarding the status of the DVB and ETSI standards.

6 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE Awareness of Change Australian manufacturers need to keep abreast of changes to the DVB standards by; obtaining updated standards from ETSI, obtaining new or updated DVB Blue Books,

7 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE Awareness of Change obtaining the latest release of the DVB CD-ROM, becoming DVB members and contributing to the DVB group activities, contacting the DVB Project Office in Geneva.

8 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE Requirements for Australia Australian broadcasters would need to take out network ID registrations with DVB/ETSI.

9 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETR 154 Implementation guidelines for the use of MPEG-2 Clause stream_id Accept Clause video_stream_descriptor and audio_stream_descriptor Accept Clause hierarchy_descriptor Accept

10 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETR 154 Implementation guidelines for the use of MPEG-2 Clause target_background_grid_descriptor Accept Clause Storage Media Interoperability Accept

11 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETR 154 Implementation guidelines for the use of MPEG-2 Annex A (Display and Resolution formats)Modify The Australian definition of HDTV requires; a minimum value of horizontal_size_value of 720 pixels at a 50 Hz progressive scan frame rate or, a minimum value of 1440 pixels at a 25 Hz interlaced frame rate.

12 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETR 154 Implementation guidelines for the use of MPEG-2 For Australian HDTV the maximum vertical_size_value is 1080 pixels (active lines). ETR 154 Annex A contains a vertical_size_value of 1152 pixels (lines) for an interlaced format. We note that while Annex A is Informative, the Annex will be a reference for IRD design and manufacture.

13 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETR 154 Implementation guidelines for the use of MPEG-2 Annex B Active Format Descriptor Accept as Optional The AFD provides Wide Screen Signalling and Pan/ Scan metadata giving the broadcaster control of displayed aspect ratio. Receiver/chip manufacturers should note the Active Format Descriptor is optional.

14 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETR 154 Implementation guidelines for the use of MPEG-2 Broadcasters should not assume that all receivers will use the latest chipsets which provide all options. The Active Format Descriptor has been implemented by the UK Digital Television Group

15 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETR 154 Implementation guidelines for the use of MPEG-2 Annex C (Implementation of AC-3)Accept Annex D (Audio Control Metadata for MPEG audio) Accept as Optional Broadcasters should not assume that all receivers will use the latest chipsets which provide all options.

16 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETS Specification for Service Information (SI) in DVB systems Clause Component descriptor Accept SI-DAT 441 Rev. 7 Clause Content descriptor Accept Australian Tables Clause Terrestrial delivery system descriptor Accept SI-DAT 441 Rev. 7

17 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETS Specification for Service Information (SI) in DVB systems Clause Linkage descriptorAccept Clause Local time offset descriptor Accept SI-DAT 441 Rev. 7 Clause Parental rating descriptor Accept Australian Tables

18 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETS Specification for Service Information (SI) in DVB systems Clause Private data specifier descriptor Accept SI-DAT 441 Rev. 7 Logical channel descriptor Accept as Optional Country Region ID Accept Australian Tables

19 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE ETSI ETR 211 Guidelines on implementation and usage of Service Information (SI) Clause Delivery system descriptors Accept Clause Service list descriptorAccept Clause Parental rating descriptor Accept Australian Tables Clause Terrestrial delivery systemsAccept

20 CT/2/C TELEVISION TRANSMITTING EQUIPMENT SERVICE INFORMATION SUB COMMITTEE Additional Matters

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