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Content Provider | IEEE Xplore Digital Library |
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Author | Riella, R.J. Linarth, A.G. Lippermann, Jr. Nohama, P. |
Copyright Year | 2001 |
Description | Author affiliation: Programa de Pos-Graduacao em Informatica Aplicada, Pontificia Univ. Catolica do Parana, Curitiba, Brazil (Riella, R.J.; Linarth, A.G.; Lippermann, Jr.; Nohama, P.) |
Abstract | Describes a voice analyzer, whose purpose is for deaf children's assistance in the process of speech learning. The processing of the user's speech signal is performed in real time in order to get an instantaneous feedback of the result of speech training. The aim of this analyzer is not to find the distinction between spoken words, the main objective of a speech recognizer, but to calculate a level of correctness in the toggle of a specific word. Voice signal analysis was developed through a digital signal processor (DSP), applying spectral analysis processes, extraction of voice's formants, adaptation of formants to the standard levels in the domains of time and frequency and statistical matching of the acquired speech signal and the standard one, resulting from training. After calculating the correctness coefficient, the system gives off a visual feedback to the user in the form of a graphical animation, in accordance with the matching ratio, that will determine the progression on speech training. |
Starting Page | 1449 |
Ending Page | 1452 |
File Size | 393857 |
Page Count | 4 |
File Format | |
ISBN | 0780372115 |
ISSN | 1094687X |
DOI | 10.1109/IEMBS.2001.1020476 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2001-10-25 |
Publisher Place | Turkey |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Deafness Speech analysis Speech processing Signal processing Feedback Standards development Speech recognition Signal analysis Digital signal processors Digital signal processing |
Content Type | Text |
Resource Type | Article |
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