134 resultados para performativity of speech


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This letter describes a novel algorithm that is based on autoregressive decomposition and pole tracking used to recognize two patterns of speech data: normal voice and disphonic voice caused by nodules. The presented method relates the poles and the peaks of the signal spectrum which represent the periodic components of the voice. The results show that the perturbation contained in the signal is clearly depicted by pole's positions. Their variability is related to jitter and shimmer. The pole dispersion for pathological voices is about 20% higher than for normal voices, therefore, the proposed approach is a more trustworthy measure than the classical ones. © 2007.

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Background: distance learning (DL) is becoming a higher education modality with a meaningful impact. It offers students flexibility, mobility and choices. Also it can reach a greater number of professionals and students in a more effective way, when compared to other learning modalities, without losing quality. Brazil needs to develop direct actions to DL in the fields of Speech-Language Pathology and Hearing, due to its great continental territory (8,514,215.3Km 2) and irregular distribution of professionals who work in these specific fields (i.e. this situation emphasizes the differences in quality and availability of services offered throughout the country). Heterogeneity in the quality and availability of services is also aggravated by the absence of a national strategy for continued education in order to recycle health professionals. This situation causes important differences in the knowledge and abilities of specialists from one region to the next. Aim: to present Telehealth studies in the field of Speech-Language Pathology and Hearing that were developed in the last five years. Conclusion: the analyzed data indicate that more studies are needed in this specific field. These studies should aim at improving the quality and access to services which in turn would improve prevention, diagnosis and treatment of communication disorders.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Fonoaudiologia - FFC

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Educação para a Ciência - FC

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Filosofia - FFC

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)