Regular articleAnalysis of the Cough Sound: an Overview
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Analysis of COVID-19 Resulting Cough Using Formants and Automatic Speech Recognition System
2023, Journal of VoiceCitation Excerpt :The coughing sound gives information about the pathophysiological mechanisms of coughing by several parameters as well as the structural nature of the tissue, The pitch of the vibration is determined mainly by the degree of the stretch of vocal cords, by their approximation one to another and by the mass of their edges. In the literature studies,33,34 thier obtained value's value of the pitch (F0) defined by different authors ranges from 300 to 700 Hz in normal condition whereas in cough sounds of bronchitis the bands between 500-1200 Hz are the most expressive. Based on our findings, we can say that for the healthy people we are in agreement with those of33 but for infected ones, we have observed a difference between COVID-19 infected people's values and other diseases like bronchitis the bands, perhaps that the behavior of glottis behaves differently in COVID-19 similar to other pathological conditions.
The voice of COVID-19: Breath and cough recording classification with temporal decision trees and random forests
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2024, Folia Phoniatrica et Logopaedica
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