Digital broadcasting a 2012 roadmap Giles Tanner General Manager Digital Transition Division ACMA.

Digital broadcasting—a 2012 roadmap

Giles TannerGeneral ManagerDigital Transition DivisionACMA

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.

A Day Made of Glass 2

Australia’s digital dividend

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

Yielding the digital dividend—the restack & reallocation processes

KEY ACMA BroadcastersMinister DBCDE

Start 2010

Mid 2012 End 2014Mid 2013End 2013

Analog switch off

Broadcasters relocate to new digital TV channels

Restack legislative amendments

Digital TV restack planning

Restack completed

Spectrum Auction

Minister’s media release

Discussion Paper

Ministerial Direction

Recom’to Minister

Allocation Instruments

Ministerial Declaration

Issue Licences

Technical Framework

Digital Dividend Green Paper

Broadcasters start to plan infrastructure & new equipment

Spectrum available for use

Current analog and digital channels during simulcast —Newcastle, Sydney, Illawarra

KEY Digital channelsAnalog channels

Newcastle

Sydney

Illawarra

Others

BI BII BIII BIV BV

Central Coast

KEY Digital channelsFreed up spectrum

*Newcastle

Sydney

Illawarra

Others

Central Coast

BIV BVBIIIBIIBI

18 channels

6 channel block—Newcastle, Sydney, Illawarra

6 channel block—Newcastle, Sydney, Illawarra

KEY DAB + Digital channels

*Newcastle

Sydney

Illawarra

Central Coast

BIV BVBIIIBIIBI

Block A Block C Block DBlock B Block E

Number of channels—2008

KEY

11 channels available

10 channels available

7 channels available

Number of channels—2012

KEY

16 channels available

Radio

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

DAB+ multiplex shares in Sydney

2SMSuper

2DAYSCA

2MMMSCA

2UEFairfax

2KYTAB

Two-ninths reserved for community radio

Excess (256kbps)

2UUSARN

2WFMARN

2PTV DMG

2SYDDMG

2GBMacq.

2CHMacq.

Two-ninths reserved for community radio

Excess (128kbps)

2SMSuper

2DAYSCA

2MMMSCA

2UEFairfax

2KYTAB

Two-ninths reserved for community radio

2MMMSCA

(128kbps)

2DAYSCA

(64kbps)

2SM Super

(64kbps)

2UUSARN

2WFM ARN

2PTV DMG

2SYDDMG

2GBMacq.

2CHMacq.

Two-ninths reserved for community radio

2DAYSCA.

(64kbps)

2UUSARN

(32kbps)

2WFMARN

(32kbps)

ABC (768kbps)

SBS (384kbps)

ABC (768kbps)

SBS (384kbps)

> 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):

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.

6 7 8 9 9A 10 11 12

Digital radio

Digital TV

Analog TV

VHF Band III in major metropolitan areas after restack

VHF channels

Services

6 7 8 9 9A 10 11 12

SEVEN Digital

SBS Digital

NINE Digital

DAB+ DAB+ TV Unassigned

TEN Digital

ABC Digital

Digital radio

Digital TV

Spectrum re-use limitations

> 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.’

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.