Efficiency evaluation of electroacoustic sensors for auscultation devices of human body life-activity sounds

摘要

The article discusses experimental studies results of acoustic characteristics of three sensors: a contact microphone, accelerometer and stethoscopic microphone sensor. These sensors are designed for use in an electronic stethoscope, which allow to evaluate their acoustic efficiency. It was found that the most effective electro-acoustic sensors are contact microphone and accelerometer. The analysis of the main factors determining the efficiency of the studied sensors was carried.