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Adolescent age estimation using voice features

Biomedizinische Technik, 2020-08, Vol.65 (4), p.429 [Peer Reviewed Journal]

EISSN: 1862-278X ;DOI: 10.1515/bmt-2018-0082 ;PMID: 31934877

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  • Title:
    Adolescent age estimation using voice features
  • Author: Bugdol, Marcin D ; Bugdol, Monika N ; Bieńkowska, Maria J ; Lipowicz, Anna ; Wijata, Agata M ; Mitas, Andrzej W
  • Subjects: Adolescent ; Algorithms ; Child ; Humans ; Voice - physiology
  • Is Part Of: Biomedizinische Technik, 2020-08, Vol.65 (4), p.429
  • Description: In this paper, a method for evaluating the chronological age of adolescents on the basis of their voice signal is presented. For every examined child, the vowels a, e, i, o and u were recorded in extended phonation. Sixty voice parameters were extracted from each recording. Voice recordings were supplemented with height measurement in order to check if it could improve the accuracy of the proposed solution. Predictor selection was performed using the LASSO (least absolute shrinkage and selection operator) algorithm. For age estimation, the random forest (RF) for regression method was employed and it was tested using a 10-fold cross-validation. The lowest absolute error (0.37 year ± 0.28) was obtained for boys only when all selected features were included into prediction. In all cases, the achieved accuracy was higher for boys than for girls, which results from the fact that the change of voice with age is larger for men than for women. The achieved results suggest that the presented approach can be employed for accurate age estimation during rapid development in children.
  • Publisher: Germany
  • Language: English
  • Identifier: EISSN: 1862-278X
    DOI: 10.1515/bmt-2018-0082
    PMID: 31934877
  • Source: MEDLINE
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