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CISTI'2017 - 12ª Conferência Ibérica de Sistemas e Tecnologias de Informação

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Aplicação Web para o treino da correta pronúncia de palavras em português para pessoas com distúrbios da fala e da linguagem - estudo preliminar de usabilidade

In this paper, a Web application that allows people with speech impairments to train and amend pronunciation of words by repeating words presented in the interface with visual and audi-tory stimuli, is presented. With this app, we aim at present a training assistive tool to be used by the user, in a daily situation, where the main asset is the feedback about the rate of correct pronunciation, thus, allowing users to train, autonomously, at home. Additionally, we present a preliminary user study to assess usability of the proposed application. For that, we invited a group of people with speech impairments to perform training tasks with the application. To assess the application, we register the follow-ing parameters: effectiveness (successful conclusion of the train-ing tasks and percentage of pronouncing success); efficiency (number of errors made, number and type of difficulties found); and, satisfaction (the acceptance and comfort to complete the training tasks). Overall, the preliminary results showed that par-ticipants achieved an efficiency rate of 53.4% in the accomplish-ment of the proposed tasks. On average, for each image, partici-pants missed at least 2 times, where the most registered difficulty was the pronunciation of words with accents. Regarding satisfac-tion, we noticed that they like it as they ask not only to repeat the test but also the addition of more pictures to perform more tests with the proposed web application

Author(s):

Tânia Rocha    
Utad/INESC TEC
Portugal

António Marques    
Utad/INESC TEC
Portugal

José Brito    
University of Trás-os-Montes and Alto Douro and INESC TEC
Portugal

Luís Cardoso    
University of Trás-os-Montes and Alto Douro and INESC TEC
Portugal

Pedro Martins    
University of Trás-os-Montes and Alto Douro and INESC TEC
Portugal

João Barroso    
Utad/INESC TEC
Portugal

 

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