Figure 7

Process to obtain spectrograms. (A) Given lung sound, dividing lung sound files with overlapping during 3Â s (B) Obtaining three types of Mel-spectrograms with log-scale.
Process to obtain spectrograms. (A) Given lung sound, dividing lung sound files with overlapping during 3Â s (B) Obtaining three types of Mel-spectrograms with log-scale.