Challenging task of identification of cardiac cycle tones: refined development of a PCG signal processing system

Original research

Challenging task of identification of cardiac cycle tones: refined development of a PCG signal processing system

Yeldos A. Altay1*, Artem S. Kremlev1, Aygerim A. Sadykova2

1 St Petersburg National Research University of Information Technologies, Mechanics and Optics
Russia, 197101, St. Petersburg, Kronverksky av. 49

2 National Research Cardiac Surgery Center
Kazakhstan, 010000, Astana, Turan av. 38

* Corresponding author:
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Abstract

This article presents some results of processing of phonocardiography signals (PCG signals) for cardiac cycle tone identification under ambient noise of varying intensity. For PCG signal processing, proposed is a refined approach based on active band pass filter bank, which allows improving an accuracy of cardiac cycle tone identification under ambient noise. The efficiency of the application of the proposed approach has been demonstrated by the respective qualitative, quantitative results and experimental data obtained upon processing of PCG signals according the offered technique. A 3D model of the cardiac cycle tone identification system has been developed based on this conceptual idea.

Imprint

Yeldos A. Altay, Artem S. Kremlev, Aygerim A. Sadykova. Challenging task of identification of cardiac cycle tones: refined development of a PCG signal processing system. Cardiometry; Issue 14; May 2019; p.71-77; DOI: 10.12710/cardiometry.2019.14.7177; Available from: http://www.cardiometry.net/issues/no14-may-2019/pcg-signal-processing-system

Keywords

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