Deep Learning, Artificial Intelligence, Heart Sounds, Sound Classification, Medical.
shows a PCG process with simultaneous electrocardiogram (ECG) recording and the 4 states of the PCG recording: S1, the systole, S2, and the diastole. 1.2. Previous Studies Deep learning-based methods for heart sounds classification Based on the databases of ScienceDirect, SpringerLink, IEEEXplore,