liliana garcía and andrás lux 1. short overview of digital televison standards decisions in the...
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Decision Process for Digital TV Adoption
Liliana García and András Lux
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Short overview of digital televison standards
Introduction
Decisions in the World Decision Factors Closer look at South America Conclusions
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Four competing standards
Digital Television Standards
DVB-T (European-centered) ATSC (USA) ISDB-T (Japan, DiBEG) DMB-T/H (China)
All significantly better than analogue For the public, state, suppliers
Some, but no critical differences between them
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Countries are adopting the standards
Decisions
Three groups of countries Developer countries Countries having a strong bias Countries with freedom of choice
Choice
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Source: http://en.wikipedia.org/wiki/Digital_terrestrial_television, 2009-05-14
Current situation
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Political
Decision Factors Technical
Economical
Social
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Technical
Decision Factors
Efficient spectrum usage
Image & audio quality and services Suitability for the country’s topography
Available video codec (MPEG-2, MPEG-4)
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Economical
Decision Factors
Costs Benefits
Costs Users – e.g. price of receivers State – e.g. subsidization Industry – e.g. infrastructure, licensing
Benefits
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Social
Decision Factors
Present and future coverage New content, services, new habits
Industrial development, economical growth, new opportunities
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PoliticalDecision Factors
Technical cooperation, technology transfer
Workforce training Scientific cooperation, R & D Institutional cooperation
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Brazil Uruguay Colombia Peru Rest is up for
grabs
Closer look at South America
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Brazil Uruguay Colombia Peru Rest is up for
grabs
Closer look at South America
BrazilJun 2006
• A robust and flexible standard suitable for local conditions.
• Establishment of manufacturing in Brazil
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Brazil Uruguay Colombia Peru Rest is up for
grabs
Closer look at South America
BrazilAugust 2007
• Standard potentially boosts local software developing.
• Standard that is already adopted by a large number of countries.
• Strengthening economical ties with these countries.
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Brazil Uruguay Colombia Peru Rest is up for
grabs
Closer look at South America
BrazilAugust 2008
• Adopt a standard with lower costs for viewers.
• DVB-T standard also contains a more advanced video coding algorithm, beneficial on the long run.
• A widely adopted standard.
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Brazil Uruguay Colombia Peru Rest is up for
grabs
Closer look at South America
Brazil24 April 2009
Strengthening the country’s economical ties with Brazil and Japan.
Adoption of a standard with an extensive user base.
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Brazil Uruguay Colombia Peru Rest is up
for grabs
Closer look at South America
Brazil
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Conclusions Factors are weighted differently in each country State – Companies – Users has different interests
and different weight. Our opinion:
Current process is adequate More intercountry cooperation needed
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Thank you for your attention!
We welcome your questions and comments!
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