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A realidade virtual como factor de atracção para a engenharia
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O objectivo da Realidade Virtual é simples de entender mas muito difícil de implementar:
criar ambientes completamente indiferenciáveis do mundo real com os quais se possa
interagir de um modo natural.
Desde a criação do Sensorama por Morton Heiling em 1962, passando pela difusão do
conceito pelo público geral na década de 90 até os dias de hoje, a evolução da Realidade
Virtual tem sido constante.
Este conjunto de tecnologias tem estado envolvido por uma certa descrença por parte da
sociedade, motivada pelas grandes expectativas que lhe foram atribuídas e pelo estado de
desenvolvimento do hardware aquando do seu auge. No entanto, actualmente assiste-se a um
ressurgimento do seu interesse no público geral com a introdução de imagem estereoscópica
no cinema ou o sucesso dos controladores da consola Nintendo Wii.
Hoje em dia as suas aplicações são muito variadas: desde o treino de pilotos de avião ao
tratamento de fobias, passando pela industria do entretenimento e a visita virtual de locais
com interesse histórico ou turístico.
O objectivo desta tese de mestrado é explorar uma área que ainda não tem sido muito
abrangida pela Realidade Virtual e que cobre também aspectos educacionais e lúdicos de
modo a ser um factor de atracção para os estudantes do ensino secundário: a simulação de
instrumentos musicais. Para tal foi implementado um sistema capaz de simular instrumentos
musicais de percussão (uma bateria) utilizando imagem estereoscópica, som posicional e
interfaces com o utilizador realistas.
Os resultados obtidos nas sessões de avaliação efectuadas por alunos recentemente
ingressados no ensino superior demonstram que o sistema desenvolvido, bem como a
inovação em interfaces do utilizador com os dispositivos electrónicos de uma forma geral,
constituem um meio efectivo na sua motivação para a escolha de um curso na área da
engenharia.
The purpose of Virtual Reality is simple to understand but difficult to implement: to create environments completely indistinguishable from the real world with which we can interact in a natural way. Since the creation of Sensorama by Morton Heilig in 1962, or the dissemination of the concept to the general public in the 90's until the present day, the evolution of virtual reality has been steady. This group of technologies has being surrounded by certain distrust on the part of society, driven by high expectations that have been assigned to it and the state of hardware development at its peak. However nowadays we are witnessing a resurgence of interest in general public with the introduction of stereoscopic image in movie theaters or the success of the Nintendo Wii game controllers. Today, its applications are very varied: from the training of pilots to the treatment of phobias, through the entertainment industry and virtual touring of sites with historical interest. The purpose of this master's thesis is to explore an area that still has not been widely covered by the Virtual Reality and also includes entertainment and educational aspects in order to be an attraction for students of high school degree: the simulation of musical instruments. For that it has been implemented a system capable of simulating percussion musical instruments (a drum kit) using stereoscopic image, positional audio and realistic user interfaces. The results obtained in evaluation sessions conducted by students recently admitted in the university shows that this system, and innovation in user interfaces with electronic devices in general, are an effective way of motivate them to choose a course in engineering areas.
The purpose of Virtual Reality is simple to understand but difficult to implement: to create environments completely indistinguishable from the real world with which we can interact in a natural way. Since the creation of Sensorama by Morton Heilig in 1962, or the dissemination of the concept to the general public in the 90's until the present day, the evolution of virtual reality has been steady. This group of technologies has being surrounded by certain distrust on the part of society, driven by high expectations that have been assigned to it and the state of hardware development at its peak. However nowadays we are witnessing a resurgence of interest in general public with the introduction of stereoscopic image in movie theaters or the success of the Nintendo Wii game controllers. Today, its applications are very varied: from the training of pilots to the treatment of phobias, through the entertainment industry and virtual touring of sites with historical interest. The purpose of this master's thesis is to explore an area that still has not been widely covered by the Virtual Reality and also includes entertainment and educational aspects in order to be an attraction for students of high school degree: the simulation of musical instruments. For that it has been implemented a system capable of simulating percussion musical instruments (a drum kit) using stereoscopic image, positional audio and realistic user interfaces. The results obtained in evaluation sessions conducted by students recently admitted in the university shows that this system, and innovation in user interfaces with electronic devices in general, are an effective way of motivate them to choose a course in engineering areas.
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Instituto Politécnico do Porto. Instituto Superior de Engenharia do Porto