Digital Tv Brazil
Mostrando 1-12 de 32 artigos, teses e dissertações.
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1. Estimation and Mapping of the Received Power Level of Digital Signals TV Using Spatial Interpolation Methods
Abstract The signal digitization process of the open television system is still in progress, therefore, the study of the digital signal propagation has great importance so that broadcasters can develop and improve the transmission service. The field measurement of digital signal parameters is one of the most reliable means to analyze the signal propagation i
Journal of Microwaves, Optoelectronics and Electromagnetic Applications. Publicado em: 2022
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2. Editorial Comment: Penile cancer information on the internet: a needle in a haystack
Abstract A good wireless network design depends on technical and financial viability and a number of other criteria that must be met. Following the emergence of new technologies and services, such as 5G transmission and the reuse of frequencies, new work is being carried out to ensure a better design for a particular area. This study examines a discrete radi
Int. braz j urol.. Publicado em: 2020-12
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3. Optimum Positioning of Base Station for Cellular Service Devices Using Discrete Knowledge Model
Abstract A good wireless network design depends on technical and financial viability and a number of other criteria that must be met. Following the emergence of new technologies and services, such as 5G transmission and the reuse of frequencies, new work is being carried out to ensure a better design for a particular area. This study examines a discrete radi
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2020-12
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4. A TV digital e o setor industrial tecnológico brasileiro / The digital
This study talks about the role of industry, focusing on television manufacturers, and their participation in the development and deployment of Digital TV in Brazil, as the first players in this scenario to point north to the viability of a business model for Digital Television (DTV) and Interactive Digital television (TVDI): the Connected TV and Smart TV. M
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 20/06/2012
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5. Usabilidade em TV Digital
This study does a chronological description about the construction of the Brazilian Digital TV System (SBTVD Sistema Brasileiro de TV Digital), since its establishment by the Decree 4901 in June 2006, until its current state-of-art. This new standard was created in Brazil to offer the most modern technology available and a tool for digital and social inclusi
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/03/2010
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6. TV digital interativa brasileira: Um estudo sobre as possibilidades da narrativa na TV digital interativa brasileira: considerando o SBTVD-T (Sistema Brasileiro de TV Digital Terrestre)
This research relates the concept of Interactive Digital TV, in its aspects technicalcomputing, linking them with new forms of expression of content in order to allow the production of new genres, sub-genres of narrative in television products. It shows that television, from computational systems, becomes from a connected device to a transmission system in a
Publicado em: 2010
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7. EXPLORING FACTORS AFFECTING THE ADOPTION INTENT OF HIGH DEFINITION PAY TV IN BRAZIL: AN APPLICATION OF DIFFUSION OF INNOVATIONS THEORY / EXPLORANDO FATORES QUE AFETAM A INTENÇÃO DE ADOÇÃO DA TV POR ASSINATURA EM ALTA DEFINIÇÃO NO BRASIL: UMA APLICAÇÃO DA TEORIA DE DIFUSÃO DE INOVAÇÕES
Dois anos e meio desde o lançamento da TV digital no Brasil, a penetração desta tecnologia é ainda muito pequena. Dos principais benefícios oferecidos pela TV digital para os dispositivos fixos (aparelhos televisores), apenas a alta definição (HDTV ¿ high definition television) está disponível em escala comercial, sendo atualmente o principal apelo
Publicado em: 2010
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8. A evolução tecnológica como interfência na linguagem televisual : o percurso da edição no telejornalismo da TV Coroados
This paper investigates the evolution of the technology used in the edition of TV newcasts aired by Coroados TV, one of the oldest stations in the interior of Brazil and an affiliate of Rede Globo de Televisão. To accomplish this goal, this paper studies the three most important phases of the evolution the period of 16 mm film, the use of magnetic tape a
Publicado em: 2010
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9. Estudo de viabilidade de educaÃÃo a distÃncia atravÃs da TV digital interativa
The distribution system of television signals in Brazil is already in process of transition where the analog and digital technologies are being transmitted in parallel. One of the most important goals of the deployment of Digital TV in the country is the possibility of social inclusion for millions of Brazilians through access to digital technology, for the
Publicado em: 2009
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10. Using eye tracking to evaluate the user experience upon interactive television applications. / Uso de rastreamento do olhar na avaliação da experiência do tele-usuário de aplicações de TV interativa.
The introduction of digital terrestrial TV in Brazil allows users of free TV, the main source of information and entertainment in the country, to have access to services offered by Interactive TV (TVi). These users, who constitute a large and heterogeneous population, composed of individuals of varying degrees of education, age and knowledge of computers, wi
Publicado em: 2009
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11. Segurança para o sistema brasileiro de televisão digital: contribuições à proteção de direitos autorais e à autenticação de aplicativos. / Security on brazilian digital television system: contributions to the digital rights protection and to applications authentication.
In Brazil, the television system is considered an important source of communication and entertainment. The Brazilian digital transmissions started on December 2007 and first offered functionalities were the high definition, mobility and portability. In a later moment other functionalities will be added: multiprogramming (more than one service per channel) an
Publicado em: 2009
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12. Análise mercadológica para a implementação da tecnologia FTTH: uma aplicação do método SWOT / Marketing analysis for FTTH technology implementation: an application of SWOT method
The fiber optics is a transmission system that has been used to enable products that need high bandwidth, such as the telephone system, videoconferencing, local area networks (LANs), downloads of large files etc. In Brazil, we found an increased number of fiber optic networks. This ratify its advantages in relation to metal wire cable (immunity to electromag
Publicado em: 2009