Deep Learning, Artificial Intelligence, Heart Sounds, Sound Classification, Cardiovascular Disease.
frequency spectrum of each state over all cycles in a PCG recording. The spectrum values from 20 Hz to 400 Hz with a 5 Hz interval were extracted as features. Therefore, we could obtain 77 features from each state. A total of 308 (77 × 4) features were obtained. 1.7. Cyclostationarity Domain Ting