Digital Terrestrial Television in Australia ITU International - - PowerPoint PPT Presentation

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digital terrestrial television in

Digital Terrestrial Television in Australia ITU International - - PowerPoint PPT Presentation

Dec 01, 2023 107 likes •265 views

Digital Terrestrial Television in Australia ITU International Symposium on the Digital Switchover 17 June 2015 1 Digital Terrestrial Television in Australia Contents Television service areas Timetable, DTTB implementation and

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Digital Terrestrial Television in Australia

17 June 2015

ITU International Symposium on the Digital Switchover

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Contents

 Television service areas  Timetable, DTTB implementation and Analogue Switch Off  Digital Terrestrial Television Broadcast Planning in Australia  Simulcast  Digital Dividend

Digital Terrestrial Television in Australia

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Digital Terrestrial Television in Australia

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Digital Terrestrial Television in Australia

▌ Television Service Licence / Market Areas

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Digital Terrestrial Television in Australia

▌ Timetable

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Digital Terrestrial Television in Australia

▌ System Overview

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Digital Terrestrial Television in Australia

▌ Single frequency networks ▌ Conventional SFN

Tx 2 3 SFN launch delay Translator delay storage 1pps GPS Rx GPS Rx 1pps GPS Rx 1pps Tx Link Mux Link Link propagation time 1 Maximum_delay 10MHz 10MHz 10MHz Link Link

“Reproduced with permission from SAI Global Ltd under Licence 1506-c098” 7

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Digital Terrestrial Television in Australia

▌ Single frequency networks ▌ MFN FED SFN TRANSMISSION SYSTEM (1 + n)

Link VHFTx Mux Link UHFTx Link propagation time 1 2 3 SFN launch delay Maximum_delay Translator delay storage GPS Rx 1pps 10MHz GPS Rx 1pps 10MHz UHFTx GPS Rx 1pps 10MHz Translator No. 2 in SFN Translator No. 1 in SFN Input stream data-derived MFN

“Reproduced with permission from SAI Global Ltd under Licence 1506-c098” 8

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Digital Terrestrial Television in Australia

▌ Planning parameters and interference threshold limits

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Digital Terrestrial Television in Australia

▌ Digital Switchover - simulcast

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Digital Terrestrial Television in Australia

▌ Digital Dividend

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Digital Terrestrial Television in Australia

▌ Digital Dividend

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Digital Terrestrial Television in Australia

▌ References [1] ACMA DTTB Planning Handbook [2] ACMA Technical Planning Guidelines [3] Recommendation ITU-R BT.1368 Planning criteria, including protection ratios, for digital terrestrial television services in the VHF/UHF bands [4] Recommendation ITU-R BT.1735 Methods for objective reception quality assessment of digital terrestrial television broadcasting signals of System B specified in Recommendation ITU-R BT.1306 [5] Report ITU-R BT.2140 Transition from analogue to digital terrestrial broadcasting [6] AS4599 Digital television - Terrestrial broadcasting - Characteristics of digital terrestrial television transmissions, Standards Australia [7] Draft Implementation of Digital Terrestrial Television Broadcasting - Case Study – Australia, an ITU Development Sector publication

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Digital Terrestrial Television in Australia