Computer-assisted assay of respiratory sounds of children suffering from bronchial asthma Academic Article uri icon


  • The aim of the investigation was to develop a computer processing technique of respiratory sounds and determine their spectral characteristics for bronchial asthma diagnosis. Materials and Methods. The proposed method is based on analysis of fast Fourier transform (FFT) parameters of respiratory sound spectrum and their comparison in asthmatic children and healthy volunteers. The technique was applied to study respiratory sounds in 5 children with incomplete control of bronchial asthma, aged 10.9±2.1 years, and in 5 healthy schoolchildren (12.0±2.2 years). Respiratory sounds were recorded at three points: anterior thoracic surface, above trachea to the right, and inside oral cavity. A signal recorded by microphone Sony (ECM-77B) was amplified and digitalized using a Sound Blaster (Singapore). A recorded signal was computer processed. A computer-assisted assay was …

publication date

  • January 1, 2014