Acoustic features in the identification of the hypernasality of children

Authors

  • Omar Castrillón Gómez Grupo de Control y Procesamiento Digital de Señales, Universidad Nacional de Colombia, Bogotá, Colombia
  • Germán Castellanos Domínguez Grupo de Control y Procesamiento Digital de Señales, Universidad Nacional de Colombia, Bogotá, Colombia
  • Genaro Daza Santacoloma Grupo de Control y Procesamiento Digital de Señales, Universidad Nacional de Colombia, Bogotá, Colombia

DOI:

https://doi.org/10.51445/sja.auditio.vol3.2006.0039

Keywords:

Acoustic features, hypernasality, resonance, pathology

Abstract

The analysis of the different acoustic characteristics and their influence on the automatic identification of hypernasality is presented. The methodology of effective selection of characteristics includes the pre-processing of the initial space of observations and it is based on the analysis of statistical independence. In parallel, the synthesis of a specialized diagnostic feature is proposed, based on the analysis of the acoustic emission of the hypernasal voice. As a result, it is obtained that, although the acoustic characteristics allow differentiating the pathology with sufficient precision, the proposed characteristic with a lower level of computational complexity, does not require samples for training and allows differentiating the degrees of resonance compromise of the pathology.

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References

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Portada Auditio.

Published

2006-12-01 — Updated on 2021-09-15

Versions

How to Cite

Castrillón Gómez, O., Castellanos Domínguez, G., & Daza Santacoloma, G. (2021). Acoustic features in the identification of the hypernasality of children. Auditio, 3(2), 43–48. https://doi.org/10.51445/sja.auditio.vol3.2006.0039 (Original work published December 1, 2006)

Issue

Section

e-journal of audiology (archive before 2021 only in Spanish)