Robust analysis of children’ speech and its application in speech therapy
Análisis robusto de voz infantil con aplicación en terapia de voz
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This paper addresses the problem of how to estimate reliable acoustic parameters in children’ speech, as the fundamental frequency and formants in order to develop computer-aided tools
in voice therapy. These two parameters in children’ speech are especially combined making it very difficult the estimation process, to solve this, a corpus with Spanish vowels of 235 healthy
children was acquired for its study and testing with advanced techniques in speech processing. Techniques like linear prediction and homomorphic analysis, and formant normalization, achieves better estimations of these parameters and makes possible the development of computer-aided tools such as presented in this work.
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