alexa Abstract | Design and Implementation of Digital Stethoscope with Heart Defect Detection Algorithm
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article Open Access

Abstract

This paper presents real time heart defect monitoring and heart sound hearing system. The purpose of this work is to design and implement a digital stethoscope which acts as a platform to detect cardiac murmurs. Digital stethoscope is used to help doctor in analyzing the heart condition and to reduce the risk of not discovering certain abnormal heart conditions. The system design comprises of a traditional stethoscope with an electrets condenser microphone, pre-processing circuit and TMS320C5515 Digital Signal Processor kit. The heart sound signal from the pre-processing circuit is acquired and sent to TMS320C5515 using the audio codec input. The heart sound signal acquired is subjected to signal processing methods such as acoustic noise cancellation algorithm and heart defect detection algorithm. Noise cancellation algorithm is used to remove the noise from the heart sound signal acquired. Finally using the heart defect detection algorithm heart sounds can be classified as normal or abnormal heart sound.

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Author(s): R.Nivethika, N.Kirthika

Keywords

Heart sounds, TMS320C5515, Heart defect detection algorithm, Noise cancellation algorithm, Heart murmurs., Congenital Heart Defects,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment,Heart arrhythmia treatment

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