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EnglishBackground: Experimental studies using qualitative or quantitative analysis have demonstrated that the human voice progressively worsens with ageing. These studies, however, have mostly focused on specific voice features without examining their dynamic interaction. To examine the complexity of age-related changes in voice, more advanced techniques based on machine learning have been recently applied to voice recordings but only in a laboratory setting. We here recorded voice samples in a large sample of healthy subjects. To improve the ecological value of our analysis, we collected voice samples directly at home using smartphones. Methods: 138 younger adults (65 males and 73 females, age range: 15–30) and 123 older adults (47 males and 76 females, age range: 40–85) produced a sustained emission of a vowel and a sentence. The recorded voice samples underwent a machine learning analysis through a support vector machine algorithm. Results: The machine learning analysis of voice samples from both speech tasks discriminated between younger and older adults, and between males and females, with high statistical accuracy. Conclusions: By recording voice samples through smartphones in an ecological setting, we demonstrated the combined effect of age and gender on voice. Our machine learning analysis demonstrates the effect of ageing on voice.
Machine-learning analysis of voice samples recorded through smartphones: the combined effect of ageing and gender / Asci, F.; Costantini, G.; Di Leo, P.; Zampogna, A.; Ruoppolo, G.; Berardelli, A.; Saggio, G.; Suppa, A.. - In: SENSORS. - ISSN 1424-8220. - 20:18(2020), pp. 1-17.
| Titolo: | Machine-learning analysis of voice samples recorded through smartphones: the combined effect of ageing and gender | |
| Autori: | ASCI, FRANCESCO (Primo) SUPPA, ANTONIO (Ultimo) (Corresponding author) | |
| Data di pubblicazione: | 2020 | |
| Rivista: | ||
| Citazione: | Machine-learning analysis of voice samples recorded through smartphones: the combined effect of ageing and gender / Asci, F.; Costantini, G.; Di Leo, P.; Zampogna, A.; Ruoppolo, G.; Berardelli, A.; Saggio, G.; Suppa, A.. - In: SENSORS. - ISSN 1424-8220. - 20:18(2020), pp. 1-17. | |
| Handle: | http://hdl.handle.net/11573/1469423 | |
| Appartiene alla tipologia: | 01a Articolo in rivista |
File allegati a questo prodotto
| File | Note | Tipologia | Licenza | |
|---|---|---|---|---|
| Asci_Machine-Learning Analysis_2020.pdf | https://www.mdpi.com/1424-8220/20/18/5022 | Versione editoriale (versione pubblicata con il layout dell'editore) |  | Open Access Visualizza/Apri |
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