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Media type:
E-Article
Title:
High-resolution phonocardiogram parameters
Contributor:
Zemlyakov, I Yu;
Zdanov, D S;
Kosteley, Y V;
Golobokova, E V;
Dikman, E Yu;
Bureev, A Sh
Published:
IOP Publishing, 2021
Published in:
IOP Conference Series: Materials Science and Engineering, 1019 (2021) 1, Seite 012025
Language:
Not determined
DOI:
10.1088/1757-899x/1019/1/012025
ISSN:
1757-8981;
1757-899X
Origination:
Footnote:
Description:
Abstract The article describes the results of studying and analyzing phonocardiograms (PCGs) obtained during a physiological experiment with Blu-ray standard equipment. It provides the findings of a spectral and spectral-time analysis for signals with a sampling frequency of 10, 44.1 and 192 kHz. It shows that the differences in the PCG spectra of identical signals are unreliable. The article specifies the onset and disappearance moments of the harmonic components of heart sounds. It also provides recommendations on the sampling frequency and bit resolution of digitized PCG signals for telemetric systems.