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Digital broadcasting— a 2012 roadmap

Digital broadcasting— a 2012 roadmap. Giles Tanner General Manager Digital Transition Division ACMA. k.m.s.e, the best of perth, Sculpture by the Sea, Bondi 2011. Photo Samantha Burns. . k.m.s.e, the best of perth, Sculpture by the Sea, Bondi 2011. Photo Samantha Burns. .

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Digital broadcasting— a 2012 roadmap

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  1. Digital broadcasting—a 2012 roadmap Giles Tanner General ManagerDigital Transition Division ACMA

  2. k.m.s.e, the best of perth, Sculpture by the Sea, Bondi 2011. Photo Samantha Burns. k.m.s.e, the best of perth, Sculpture by the Sea, Bondi 2011. Photo Samantha Burns.

  3. A Day Made of Glass 2

  4. Australia’s digital dividend Source: http://agencysearch.australia.gov.au/search/search.cgi?query=radiofrequency+allocations+chart&collection=agencies&form=simple&profile=acma

  5. Yielding the digital dividend—the restack & reallocation processes Restack completed Broadcasters relocate to new digital TV channels Broadcasters start to plan infrastructure & new equipment Analog switch off Digital TV restack planning Restack legislative amendments Mid 2013 End 2014 Mid 2012 End 2013 Start 2010 Digital Dividend Green Paper Recom’ to Minister Ministerial Declaration Minister’s media release Ministerial Direction Issue Licences Discussion Paper Allocation Instruments Spectrum Auction Spectrum available for use Technical Framework KEY Minister ACMA Broadcasters DBCDE

  6. Current analog and digital channels during simulcast —Newcastle, Sydney, Illawarra KEY Analog channels Digital channels

  7. 6 channel block—Newcastle, Sydney, Illawarra 18 channels KEY Freed up spectrum Digital channels

  8. 6 channel block—Newcastle, Sydney, Illawarra KEY Digital channels DAB +

  9. Number of channels—2008 KEY 7 channels available 10 channels available 11 channels available

  10. Number of channels—2012 KEY 16 channels available

  11. Radio

  12. What is DAB+ digital radio? • Like digital TV, DAB+ uses a multiplex (mux) • Four DAB+ muxes can fit into a single 7 MHz TV channel, with each mux carrying 1152 kbps of data • About 18 FM quality services could fit on a single mux using 1.536 MHz spectrum … or more if lower audio quality is OK

  13. DAB+ multiplex shares in Sydney • As at 1 July 2009 (accommodating incumbents—11 commercial, eight designated community, seven national, with three-ninths total excess): • As at 30 November 2009 (after excess capacity auction):

  14. VHF Band III spectrum congestion in major metropolitan areas VHF channels Due to interference protection requirements, no VHF channels are available for digital radio within approximately 300 km radius around metropolitan areas until analog TV switch off.

  15. VHF Band III in major metropolitan areas after restack VHFchannels Services

  16. Spectrum re-use limitations

  17. From the Explanatory Memorandum, Broadcasting Legislation Amendment (Digital Radio) Bill 2007: ‘… digital radio is unlikely to be a replacement technology for analogue services and … analogue radio services will operate alongside digital for a considerable period.’

  18. k.m.s.e, the best of perth, Sculpture by the Sea, Bondi 2011. Photo Samantha Burns. k.m.s.e, the best of perth, Sculpture by the Sea, Bondi 2011. Photo Samantha Burns.

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