Study and Analysis of Electronic Stethoscope Signal Using MATLAB & LabVIEW as Effective Tools

Abstract

This paper trades effectively with the study and analysis of heart sound signal processing from Electronic Stethoscope by using the Matlab tool. Examination of heart sound signal includes generation and simulation of heart sound signal, acquisition of real-time heart sound data, heart sound signal filtering and processing, extraction of feature, comparison of different techniques for cardiac signal processing. Heart sound signal analysis used FFT and Wavelet transform, identification of normal heart sound, calculating Beat Per Minute (BPM), and so on using the most familiar and multipurpose Matlab functionality with user interface LabVIEW. The reasonable need for Matlab functions can contribute us to work in high accuracy and convenience with heart sound signals for processing and analyzing both in realtime and through simulation.