migration of tv broadcast services to digital

Post on 18-Dec-2014

214 Views

Category:

Documents

2 Downloads

Preview:

Click to see full reader

DESCRIPTION

 

TRANSCRIPT

This document is offered compliments of BSP Media Group. www.bspmediagroup.com

All rights reserved.

MIGRATION OF TV BROADCAST SERVICES TO DIGITAL

Input to CTO Digital Migration Switchover Forum

1 22 February 2012

Southern African Digital Broadcasting Association

(SADIBA)

Overview

• Digital Migration

• The Home Environment

• Implementation planning

• Digital Migration Time-lines

• Content - the key incentive to migrate

• Conclusion

2

Att 5 dB

CLRWR

A

1 AP

Ref -31 dBm

Center 554 MHz Span 150 MHz15 MHz/

* RBW 100 kHz

* VBW 100 Hz

SWT 15 s

-130

-120

-110

-100

-90

-80

-70

-60

-50

-40

1

Marker 1 [T1 ]

-52.68 dBm

586.000000000 MHz

2

Marker 2 [T1 ]

-54.22 dBm

554.000000000 MHz

Date: 18.JUL.2007 16:36:41

• Requirement for greater spectrum efficiency – Spectrum Congested – No growth without digitisation – Increased spectrum efficiency (in

8 MHz)

• Yielding a digital dividend – Huge demand for spectrum – Huge potential for new services – Other users and services

• Consumer message – Better Sound and Pictures – More channels (services) – Enhanced viewer experience

Drive for Migration to Digital Broadcasting

UHF spectrum - Johannesburg, South Africa

Defining the desired outcomes

• Spell out the desired outcomes – Interrogates broad policy

statements

– Gives focus

– Gives clarity on goals to be achieved

– Assists in setting priorities

– Informs implementation plans

• Universal access

The Steps in Digital Migration

Dual Illumination

Digital TV (CH24)

Analogue TV (CH21)

2015

Analogue Switch-off

Digital TV (CH24)

time

• Network roll-out (Digital) • Integrated Digital Receiver /

Set Top Box – Specification – Manufacturing – Distribution – Retail – Installation

• Dual illumination • Uptake • Analogue Television Switch-

off • Yield Digital Dividend • After sales support

Digital Switch-on

The Home Environment

Analogue Television

Digital Terrestrial Television Set-Top Box or Integrated Digital TV required

The Home Environment

Analogue Television

• At edge of coverage or with poor antenna “some” picture still viewable

• Many TV households today – use poor antennas

– rely on marginal analogue TV reception

Digital Terrestrial Television

• Set-Top Box or Integrated Digital TV required

• Unless sufficient signal is available no service is decoded or displayed – Poor / old antenna may not work – No “marginal” reception

• DTT will be on frequencies not necessarily covered by current antennas

• New antenna and installation may cost more than the STB

• Antenna and installation as important as STB – both to be considered in incentive schemes / subsidy

Migration is all about the Home Environment

8

AFRICA DIGITAL TV REVOLUTION: - Granny's House, published on-line at You Tube, by ThePremiumComedy, 8 March 2011 (see link at http://www.sadiba.org/pages/home/multimedia.html)

Implementation planning

Network coverage

Compelling content offering

Compelling receiver solutions

Receiver acquisition

Receiver installation

9

Transmission Standard

Implementation

STB Standard

Integrated digital television receivers

Information and Communication

STB Manufacturing

Installer support

Do-it yourself information

Channel Authorisation

More services and

quality channels

Availability of receive antenna

Ownership incentive scheme

Coverage availability and grade

*General Info 2-3 years before ASO *Detailed info 6 months before ASO per specific area

*Guidelines for the transition from analogue to digital broadcasting, ITU, 2010

How long has migration taken in other markets

10

Phil Laven, DVB Project office, DVB World 2011, Nice, France, 7 March 2011

Content is King

• The viewer has been promised more channels

• Great content = the biggest incentive to migrate

• See report and video on SOWETO trial (www.sadiba.org)

• If what is available on DTT is neither compelling nor attractive migration will stall – Slow / no uptake of STB – Self-funding gap significant – Retail might be stuck with STB not

moving – Could result in manufacturing stalling – Risk of negative consumer sentiment

towards migration and digitisation

• STB (even if given away for free) unlikely to move from retail, get installed and used if no compelling content available

11

SOWETO DVB-T2 trial update March 2011, Video available at www.sadiba.org

Regulatory and Content

• Regulatory – Content regulation

• Channel Authorisation required

• Must be simple and quick process

– Networks and Multiplexes • Paradigm shift required

• Sharing capacity

• Content – Filling the capacity with quality

content

– SD / HD

– Compelling

12

No compelling content = no or slow uptake

Number of channels on DVB-T2 trial in SOWETO = 21

Aspects of DVB-T/T2 planning configurations to consider (GE-06)

Aspect Element (GE-06) Additional DVB-T2 Elements

Reception Mode

Fixed Portable outdoor Portable indoor

Mobile

Consider multiple PLP and different coverage modes per PLP

Coverage Quality (in terms of % of locations covered)

70% 95% 99%

Consider multiple PLP and possible varying coverage quality per PLP

Network structure MFN (single Transmitter)

SFN Dense SFN

MFN (single Transmitter) SFN

Dense SFN New SFN dimensions possible

DVB-T/ T2 system variant From QPSK ½ FEC to 64 QAM 7/8 FEC From QPSK 1/2FEC to 256 QAM 5/6 FEC,

Pilot Patterns, carrier mode

Frequency Band Band III Band IV Band V

Band III Band IV Band V

13

Typical National Rollout • Trial

– Engineering skills – Impact on the home – Trial participants –closed group of representative citizens

• Plan and prioritise the rollout • Install transmission infrastructure and prepare for switch-on • Have a coordinated roll-out and switch-on

– National switch-on requires national DTT network on-air – Regional switch-on requires stepped approach and detailed

communication

• Dual illumination – Retail, consumer education, receiver and platform marketing

• Switch-off – National – By region – By site

14

Conclusion • Migration is about the consumer and the home environment • The receive antenna is as important as the STB (Antenna

subsidy?) • All implementation factors must be considered and in place

to ensure success • Implementation planning is critical • Migration has typically taken more that 6 years • In markets where the majority of the population relies on

terrestrial reception migration has taken more than 10 years • Retail and installer capacity is likely to be a key bottleneck /

opportunity to create jobs • Content is key to consumer uptake of DTT and successful

migration. It is essential that compelling content drives uptake

• No compelling content = No or slow migration

15

Migration is about the home

16

AFRICA DIGITAL TV REVOLUTION: Is the Doctor Home, published on-line at You Tube, by ThePremiumComedy, 8 March 2011 (see link at http://www.sadiba.org/pages/home/multimedia.html)

top related