Prof. Carlos Calvache Profile

Prof. Carlos Calvache

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Proceedings Article | 6 March 2023 Paper

Assessing phoneme distribution for speech modeling

Jesús Parra, Carlos Calvache, Matías Zañartu

Proceedings Volume 12567, 1256716 (2023) https://doi.org/10.1117/12.2670042

KEYWORDS: Histograms, Modeling, Acoustics, Diseases and disorders

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Phonetically balanced texts are used to study different voice and speech characteristics. In the context of clinical work and research, these texts provide a standard for quantifying perceptual, acoustic, or aerodynamic assessments. Recent modeling efforts are being devoted to describing long-term speech behaviors based on a collection of sustained phonemes. However, comprehensive descriptions of phoneme distributions representative of connected speech are not readily available. Thus, the present study introduces a method to estimate phoneme distributions using text data mining, as an alternative to existing power law methods. The procedure used for the decomposition of texts into phonemes, the estimation of the phonetic distributions and the comparisons between different texts, conversational speech, and standard reading passages are discussed. The results are presented using histograms and R-squared determination coefficients for the case of the English language, although the approach can be easily applied for other languages. A discussion of the proposed method, results, and limitations is presented.

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