Deep Learning, Artificial Intelligence, Heart Sounds, Sound Classification, Mfcc.
bandpass filter (pass-band: 25–400 Hz) is used to remove low-frequency artifacts, baseline wandering and high-frequency interference. Segmentation is also performed but it is not the focus of this paper. 1.3. Improved MFCC Features Improved MFCC Features The Mel-frequency cepstrums reflect the