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Development and Validation of a Respiratory-Responsive Vocal Biomarker–Based Tool for Generalizable Detection of Respiratory Impairment: Independent Case-Control Studies in Multiple Respiratory Conditions Including Asthma, Chronic Obstructive Pulmonary Disease, and COVID-19

Development and Validation of a Respiratory-Responsive Vocal Biomarker–Based Tool for Generalizable Detection of Respiratory Impairment: Independent Case-Control Studies in Multiple Respiratory Conditions Including Asthma, Chronic Obstructive Pulmonary Disease, and COVID-19

Voice samples were subsequently analyzed to produce RRVB scores, which ranged from 0 to 100, with higher scores indicating similarity of the participant’s selected vocal feature values to those of people diagnosed with asthma. The RRVB scores analyzed in this study were produced by first calculating predetermined acoustic feature values required as inputs to the model from the audio files and then feeding them into the RRVB model.

Savneet Kaur, Erik Larsen, James Harper, Bharat Purandare, Ahmet Uluer, Mohammad Adrian Hasdianda, Nikita Arun Umale, James Killeen, Edward Castillo, Sunit Jariwala

J Med Internet Res 2023;25:e44410