Instantaneous frequency based index to characterize respiratory crackles. - Carlos G. Speranza; Raimes Moraes (Comput. Biol. Medicine, 2018)

Blind Equalization of Lung Crackle Sounds to Compensate Chest Attenuation. - Carlos G. Speranza; Daniel Ferreira da Ponte; Carlos Aurélio Faria da Rocha; Raimes Moraes (IEEE J. Biomed. Health Informatics, 2020)