Université d’Ottawa
Ecole d’Ingénierie et de Technlogie de l’Information
Interactive Digital TV in Brazil:
Technical and Social Aspects
Mauro Oliveira
SUMMARY
1.
Interactive Digital TV (iTV)
2.
Why Brazil decided to develop its own model ?
3.
The Brazilian Terrestrial Digital TV System - SBTVD
4.
GINGA, the middleware of the SBTVD
5.
Executing an Interactive Aplication with Ginga
6.
Some SBTVD Applications
7.
Conclusion
 Technical Aspect
 Social Aspects
Knowing Ceará
Knowing Ceará
Strategic geographical
position
Knowing Ceará
Ceará in Data
• Localization: Northeast Brazil,
• AREA: 148.83 thousand square
kilometers;
• Population:8.5 million of inhabitants;
• Shore: 573 kilometers;
• Climate:Tropical Warm Semi-arid;
Knowing Ceará
• Turism
Knowing Ceará
• Access Infra-structure
Knowing Ceará
• Universities and Technological Centers
Ceará in Data
Higher Education
• Universities
- Federal University of Ceará:
30 thousand students
- State Universities:
50 thousand students
- University of Fortaleza (Private): 22 thousand students
• Technological Centers
- Centro Federal CEFET:
- CENTEC:
08 thousand students
02 thousand students
• Private High Education Institutions:20 thousand students
TOTAL
132 thousand students
Knowing Ceará
• Interconectivity
7. Digital Divide Problem
Total of Houses: 60 millions
– Coockle
– Television
– Refrigerator
– Mobile phone
– Telephone
– Microcomputador:
Internet access
97,7%
95,7%
86,7%
61,2%
54,0%
16,91%
10,08%
1. Interactive Digital TV
1. Interactive Digital TV
Today
Analógico
1. Interactive Digital TV
(Passive)
(Passive)
(Active)
(Active)
1. Interactive Digital TV
High
Definition
Interactivity
Mobility
Multiprogramming
1. Interactive Digital TV
• Stop
Local Interactivity
(set-top-box)
• Choose (multiprograming)
• Replay
• Choose others informations
• Register
• Zoom
17
1. Interactive Digital TV
Local Interactivity
(set-top-box)
1. Interactive Digital TV
Local Interactivity
(set-top-box)
Full Interactivity
(Back Channel)
2. Why Brazil decided to
develop its own model ?
2. Why Brazil decided to develop its own model?
Total of Houses: 60 millions
– Coockle
– Television
– Refrigerator
– Mobile phone
– Telephone
– Microcomputador:
Internet access
97,7%
95,7%
86,7%
61,2%
54,0%
16,91%
10,08%
2. Why Brazil decided to develop its own model?
Total of Houses: 60 millions
– Coockle
– Television
– Refrigerator
– Mobile phone
– Telephone
– Microcomputador:
Internet access
97,7%
95,7%
86,7%
61,2%
54,0%
16,91%
10,08%
91,12%:D,E classes
2 %: D,E classes
0,251: D,E classes
2. The Brazilian System of Digital TV - SBTVD
Why Brazil decided to develop its own model?
Decreee (Recommendation) 4.091 on 26th November 2003
Social Model
Social Inclusion
Building the Universal Network for Distance Learning
Tecnological Model
Motivate the Research and Devellopment
Extend the Brazilian Technologies
Political Model
Enhance the brodcasting sector
Improved the use of the broadcast channel
Economic Model
Technological convergence for communication services
3. The Brazilian Terrestrial
Digital TV System - SBTVD
5. Executing an Interactive Application with Ginga
Now,
the feed-back
coming from the
Audience !!!
Local Interactivity
(set-top-box)
75% have chosen
the RED dish …
Full Interactivity
(Back Channel)
4. GINGA, the Middleware
of the SBTVD
4. GINGA, the Middleware of the SBTVD
Ginga NCL (in April 2009)
H.761 Recommendation on the
International Telecommunication Union (ITU-T)
5. Executing an Interactive Application with Ginga
Audio
Video
Data
Data Carrossel
Network
Full Interactivity
(Back Channel)
6. Some SBTVD Applications
6. Some SBTVD Applications
DIGA – GINGA Project
DIGA Doctor, a Home Care Application
6. Some SBTVD Applications
DIGA – GINGA Project
7. Conclusions
7. Digital Divide Problem
Total of Houses: 60 millions
– Coockle
– Television
– Refrigerator
– Mobile phone
– Telephone
– Microcomputador:
Internet access
97,7%
95,7%
86,7%
61,2%
54,0%
16,91%
10,08%
7. Digital Divide Problem
• Interconectivity
7. Why Brazil decided to develop
its own model ?
1. Non-payment of royalties
( Different from the mobile phones industry in Brazil)
2. Development of national technology
( GINGA-NCL became a ITU-T Recommendation)
3. Most appropriate system for the country's problem
( For example: a solution for the Digital Divide Problem)
Government Strategies
2008 - WIMAX Coverage in
Ceará
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Fiber Optic network in Fortaleza
(GIGAFOR)
Government Strategies
PARQUE TECNOLÓGICO DE EUSÉBIO – TITAN PARK
PARQUE TECNOLÓGICO DE EUSÉBIO – TITAN PARK
16
1
7. The Future of Brazilian DTV
The important brazilian companies ...
• Petrobrás
• Embraer
• ...
Why not ?
...
• Brazilian System of Digital TV
to be used as a tool to solve the
“Digital Divide Problem” in developing
countries