Um modelo de interconexão de componentes para ambientes mulitmídia distribuídos

Multimedia systems must incorporate middleware concepts in order to abstract hardware and operational systems issues. Applications in those systems may be executed in different kinds of platforms, and their components need to communicate with each other. In this context, it is needed the definition of specific communication mechanisms for the transmission of information flow. This work presents a interconnection component model for distributed multimedia environments, and its implementation details. The model offers specific communication mechanisms for transmission of information flow between software components considering the Cosmos framework requirements in order to support component dynamic reconfiguration

Um modelo de interconexão de componentes para ambientes mulitmídia distribuídos

Multimedia systems must incorporate middleware concepts in order to abstract hardware and operational systems issues. Applications in those systems may be executed in different kinds of platforms, and their components need to communicate with each other. In this context, it is needed the definition of specific communication mechanisms for the transmission of information flow. This work presents a interconnection component model for distributed multimedia environments, and its implementation details. The model offers specific communication mechanisms for transmission of information flow between software components considering the Cosmos framework requirements in order to support component dynamic reconfiguration

Proposal of an On-demand Software Deployment System Based on Application Streaming, Virtualization Techniques and P2P Transport

This paper presents the work in progress of an on-demand software deployment system based on application virtualization concepts which eliminates the need of software installation and configuration on each computer. Some mechanisms were created, such as mapping of utilization of resources by the application to improve the software distribution and startup; a virtualization middleware which give all resources needed for the software execution; an asynchronous P2P transport used to optimizing distribution on the network; and off-line support where the user can execute the application even when the server is not available or when is out of the network. © Springer-Verlag Berlin Heidelberg 2010.

Synchronizing Brazilian Sign Language (LIBRAS) on videos for Open Digital TV with educational purposes

The TV is a potential midia of communication that affects all social classes and it is available in 98% of Brazilian homes. It has been used as a distributor of educational materials since the 1950s. By 2016 the Open Digital TV (ODTV) in Brazil might cover the entire national territory, replacing the TV with analog signals. Concerns about accessibility for People with Special Needs (PSN) in that media have become more intense since the 1990s worldwide. In Brazil, it is estimated 24.6 million of PSN, 23% of them having some type of hearing loss. Of these, 2.9% are reported as deafs. Brazilian Sign Language (LIBRAS) is considered the first literacy language for deaf people in Brazil. In this context, this paper presents a proposal to facilitate the generation of educational content for ODTV based on two components. One is called SynchrLIBRAS and allows subtitles synchronization in Portuguese and a LIBRAS translator window of videos downloaded from the Web. The second component allows the visualization of this content through the Brazilian System of Digital TV and IPTV - environments that implement the middleware Ginga-NCL. The main focus of this paper is the presentation of the first component: SynchrLIBRAS. This proposal has educational purposes, contributing to teach LIBRAS to people who may collaborate with social inclusion of the deaf people.

Conteúdo educativo para a televisão digital interativa

Pós-graduação em Televisão Digital: Informação e Conhecimento - FAAC

Televisão digital e Educação a distância: modelo de ambiente virtual de aprendizagem para mídia audiovisual

Pós-graduação em Televisão Digital: Informação e Conhecimento - FAAC

Camada de gerenciamento para comunicação entre computadores baseada em redes sem fio (WSE-OS)

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Estudo de caso de uma extensão de middlewares de TV digital interativa para suporte a aplicações residentes não-nativas

Pós-graduação em Ciência da Computação - IBILCE

SW-V: modelo de streaming de software baseado em técnicas de virtualização e transporte peer-to-peer

Pós-graduação em Ciência da Computação - IBILCE

Modelo de virtualização distribuída aplicado ao gerenciamento e replicação de cluster multiuso

Pós-graduação em Ciência da Computação - IBILCE

Roteiros educativos: a adaptação de materiais didáticos para a tv digital interativa

Ao conceber esta obra, Evaldo Aparecido de Abreu levou em conta o decreto que instituiu o Sistema Brasileiro de TV Digital (SBTVD), que lista entre os objetivos da tecnologia propiciar a criação de rede universal de educação a distância. Ele estudou as atividades que deve desempenhar o profissional responsável por adequar material didático impresso, como livros e apostilas, em material audiovisual, mais especificamente para explorar a interatividade da TV. De todo o processo, o livro analisa a etapa da transformação do conteúdo pedagógico em produto audiovisual, chamado de design instrucional. E destaca o papel que o coordenador geral dessa atividade deve desempenhar. A obra levanta questões como as características tecnológicas da TV digital e do middleware Ginga, o software promotor da interatividade, e discute métodos de adaptação do material didático para a TV digital. Inclui ainda reflexões sobre a importância da interatividade no desenvolvimento de projetos educacionais e sobre como estes podem contribuir para a melhoria da educação brasileira.

Televisão digital interativa na educação: desenvolvimento de um conteúdo. complementar ao ensino

This work had as objective the development of a prototype of educational content, as an experimental process, making use of resources from Interactive Digital TV. The characteristics of interactive digital terrestrial television are presented, in the form of a media mode capable of performing as a complementary source to education. The methodology used is composed of four phases: deduction, analysis, induction and synthesis. Its conception takes as issue the expressed need stated by UNESCO to use ICT (Information and Communications Technology) towards education, as well as the possibility of applying digital television in an educational process. The content is structured in the form of a quiz, a type of question-answer game as an informal way of education for high school students. The prototype developed in this work is presented as a structural script and map, taking into account the necessary activities and routines to put it into operation in the tested environments, eclipse, virtual set-top-box and Developer Box. The practice of prototyping was carried out in NCLua, based on middleware Ginga. As a result, we concluded that Ginga offers enough support to carry out the task, providing characteristics of interaction to publish the proposed content, at the moment of the actual practice.

Difusão de objetos de aprendizagem multiplataforma por transmissão de televisão digital: um estudo de viabilidade técnica e pedagógica

Pós-graduação em Televisão Digital: Informação e Conhecimento - FAAC

TV digital interativa e Internet: o caso brasileiro

Em 2003, quando da publicação do decreto nº 4.901, que institui o Sistema Brasileiro de Televisão Digital SBTVD , o panorama vislumbrado era imenso e inspirador: o que despontava era a possibilidade de se ter acesso à internet e todas as vantagens decorrentes dela em cada aparelho de TV do país. Com as discussões sobre qual sistema adotar e posteriormente com as indefinições sobre o middleware, houve tempo suficiente para a internet se afirmar como mídia essencialmente interativa, deixando, por hora, para a TV Digital a qualidade de imagem . O que vemos agora é a qualidade da imagem que alcança em banda larga a tela do computador, seduzindo ainda mais os usuários de TV. Com o Plano Nacional de Banda Larga que visa à popularização da internet de alta velocidade no Brasil, prometido pelo Governo Lula, a TV Digital pode de um lado garantir o canal de retorno necessário para a interatividade plena e, de outro lado, perder uma importante batalha para a internet, que se firmará de vez como mídia interativa.

Tecnologia disseminando a arte: quais as perspectivas para o futuro da TV Digital?

Digital Television offers a resolution of highdefinition images and the possibility of interaction with the user. There is an estimate that by 2018 all municipalities in Brazil have digital signal availability and thus there will be a wide spread of Ginga. Ginga is a technology developed for digital television, which runs between the operating system and yours applications. However, the extensive use of Smart TVs would invalidate this technology? This article to cast a look on the topic, arousing reflection that effect and seeking bring issues that link the advantages and disadvantages of the two technologies, considering the current situation of Digital TV in Brazil.