Heart valve disorder (HVD) analysis from heart sound is being well known for a long period of time. and use of digital stethoscope gives opportunity to diagnose HVDs from phonocardiographic (PCG) signal. An automated HVD detection technique from PCG signal can play a key role as a first-hand diagnostic tool for the physicians. In this paper. https://www.jandroutboard.com/product-category/ball/