- 1. Multimedia in the 21th Century:Systems, Services and
Terminals Superintendence of Mass Communication ServicesPorto
Seguro, June 5th, 2001 Multimedia in Mass Electronic Communication
Services
2. Summary
- Telecommunication Services
-
- Definitions adopted in Brazil
- Influence of Technological Convergence in Telecommunication
Services
- The Television as the most important Mass Communication Service
in Brazil
- Introduction of Digital Technology in the Television
Service
3.
- Mass Electronic Communication Service
-
- Telecommunication Service of collective interest, performed in
private regime for users in a service area, characterized by
unilateral broadcasting or asymmetric communication of
telecommunication signals, in order to be freely received by the
general public or subscribers.
-
- Multimedia Information are signals of audio, video, data, voice
and other sounds, images, symbols, written characters, including
graphics and texts, or information of any other nature, adapted to
transmission, stocking or processing using means of
communication.
Telecommunication Services Definitions adopted in Brazil 4.
- The Regulation is elaborated according to the technology
andmean used for its delivery.
- Mostly, services have only one application:
-
-
- Fixed Switched Telephone Service;
-
-
- Specialized Network and Circuit Services;
-
-
- Multichannel Multipoint Distribution Service;
Telecommunication Services Current Model in Brazil 5. Influence
of TechnologicalConvergence in Telecommunication Services
- The service regulation supports multipletelecommunication
applications, independently from the mean and the technology
used.
- Digital Terrestrial Television
6. Source:Maxwell, Kim.Residential Broadband - An Insiders Guide
to the Battle for the Las Mile,Wiley Computer Publishing, 1999. -
Analogue -Digital - Voice and Text Networks (fixed and mobiles); -
Data Networks; -Mass CommunicationSystems .
Influence of TechnologicalConvergence in Telecommunication
Services Application Technology Infrastructure 7.
- Brazil has about 45 million households, of which 85% have at
least onetelevision appliance.
- More than 92% of the Brazilian households with television
appliances receive open broadcasting signals.
The Television as the most important Mass Communication Service
in Brazil 8. The Television as the most important Mass
Communication Service in Brazil Brazilian Marketplace: 9.
- The Television is the most favourable mean to reach the
lower-income portions of the Brazilian population with the benefits
promoted by other qualities of communication and/or added value
services.
- Anatel most important goal is to make the broadcasting of
Digital Terrestrial Television affordable and accessible to all
social segments.
The Television as the most important Mass Communication Service
in Brazil 10.
- The brazilian market is represented by the future adaptation or
replacement ofnear 10 thousand transmitters and 55 million
receptors of analogue technology
Introduction of Digital Technology in the Television Service
11.
- To stimulate andto extend the debate on the definition of DTV
standard
-
- Given the complexity of the aspects involved in the definition
of the digital terrestrial television broadcast standard, it is not
recommended to take this decision only based on the laboratory and
field tests
- To collect information in order to promote the convergence in
the business model
-
- It is necessary to conciliate the most convenient DTV business
models to the service providers, equipment manufacturers, content
producers and the consumers, seeking for the best solution for the
country
Digital Television - Public Consultation(aiming at finding out
the needsand preferences of Brazilian people) 12.
- Distribution of different TV programmes and other
telecommunication services according to the bit transport capacity
of the system.
- Attending to different market segments, according to the
characteristics of signal reception.
- Implementation of selection and form patterns for applications
that support TV programmes.
- Note:Some options are mutually exclusive
Digital Television Search of Definitions 13. Digital Television
Business Model Transmission Platform HDTV (19 M) Transmission
Platform HDTV LD TV (17 M) (2 M) Transmission Platform HDTV SD TV
(15 M) (4 M) Transmission Platform EDTV 1 EDTV 2 ( 9M each )
Transmission Platform EDTV 1 EDTV 2 (6M each ) EDTV 3 Transmission
Platform S1 S2 S3 S4 ( 4M each ) Transmission Platform S1 S2 S3 L1
L2 Alternatives to theoccupation of channel transport capacity It
is possible to adopt any combination until reaching the systems
maximum capacity (for example: 18-19 Mb/s). There might be altering
of formats, according to the time. 14.
- Interaction with programmes;
- Additional audio and subtitles;
Digital TelevisionNew Multimedia Products 15.
www.anatel.gov.br