How to record heart sound?

How to Record Heart Sounds?
It is possible to record heart sounds using electronic stethoscopes via direct output to an external recording device, such as a laptop or MP3 recorder. The same link can be used to listen to previously recorded auscultation through stethoscope headphones, allowing for a more extensive analysis of murmurs and other heart sounds, as well as general research and evaluation of a specific patient's condition.

Now let’s have a brief overview of each Heart sound in detail.
Primarily, heart sound can be either physiological or pathological.