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      Automatic speech recognition and text-to-speech technologies for L2 pronunciation improvement: reflections on their affordances Translated title: Tecnologias de reconhecimento automático da fala e texto-fala para o aprimoramento da pronúncia em L2: reflexões das suas aplicabilidades

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          Abstract

          Abstract This paper presents a reflection on two technologies - automatic speech recognition (ASR) and Text-to-Speech (TTS) - to improve learners’ pronunciation, aiming for successful spoken communication. It sheds some light on the practical usage of these technologies, demonstrating their effectiveness, qualities, and limitations to assist teachers in deciding the most efficient digital resources applied to their students’ needs. A review of literature on previous empirical studies was carried out, with quantitative and/or qualitative studies conducted by researchers in the field, investigating teachers’ and learners’ perceptions and the use of ASR and TTS as a pedagogical tool for pronunciation practice. As a result, it was concluded that a) the presented resources seem to have the potential to enhance pronunciation practice, both in terms of perception and production; b) technology can result in considerable benefits to learners, mainly as a supplement to pronunciation teaching; and c) the use of these digital resources is a way of giving learners the opportunity to focus on their specific difficulties and receive personalized feedback while becoming more autonomous in their learning process.

          Translated abstract

          Resumo Este artigo apresenta uma reflexão sobre duas tecnologias - reconhecimento automático da fala (ASR - Automatic Speech Recognition) e texto-fala (TTS - Text-to-Speech) - para aprimorar a pronúncia dos alunos, visando a uma comunicação oral competente. O trabalho explora o uso dessas tecnologias, demonstrando sua eficácia, qualidades e limitações para ajudar os professores a decidirem os recursos digitais mais eficientes aplicados às necessidades de seus alunos. Foi realizada uma revisão bibliográfica de estudos empíricos prévios, com pesquisas quantitativas e/ou qualitativas realizadas por pesquisadores da área, investigando as percepções de professores e alunos e o uso de ASR e TTS como ferramentas pedagógicas para o ensino de pronúncia. Como resultado, concluiu-se que a) os recursos apresentados demonstram ter potencial para aprimorar a prática da pronúncia, tanto em termos de percepção como produção; b) a tecnologia pode resultar em benefícios consideráveis para os alunos, principalmente como um suplemento ao ensino de pronúncia; e c) o uso desses recursos digitais é uma forma de dar aos alunos a oportunidade de focar em suas dificuldades específicas e receber um retorno personalizado, tornando-os mais autônomos em seu processo de aprendizagem.

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          Most cited references58

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          Foreign Accent, Comprehensibility, and Intelligibility in the Speech of Second Language Learners

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            Symmetries and Asymmetries of Age Effects in Naturalistic and Instructed L2 Learning

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              THE MUTUAL INTELLIGIBILITY OF L2 SPEECH

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                Author and article information

                Journal
                tl
                Texto Livre
                Texto livre
                Universidade Federal de Minas Gerais - UFMG (Belo Horizont, MG, Brazil )
                1983-3652
                2022
                : 15
                : e36736
                Affiliations
                [1] Florianópolis Santa Catarina orgnameUniversidade Federal de Santa Catarina orgdiv1Centro de Comunicação e Expressão Brazil
                Article
                S1983-36522022000100204 S1983-3652(22)01500000204
                10.35699/1983-3652.2022.36736
                19b4e7b7-293b-4c56-a493-8401d70b25ed

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 02 December 2021
                : 12 October 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 62, Pages: 0
                Product

                SciELO Brazil

                Categories
                Article

                Texto-fala,CALL,Ensino de pronúncia,Aprimoramento de pronúncia,Pronunciation teaching,Text-to-speech,Pronunciation improvement,Automatic speech recognition,Reconhecimento automático da fala

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