2015 9th International Conference on Sensing Technology (ICST) 2015
DOI: 10.1109/icsenst.2015.7438386
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Detection of cardio auscultation using MEMS microphone

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Cited by 4 publications
(1 citation statement)
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“…Therefor S4 seems to be a backup for S1 when S1 fails to produce specific sound frequency at specific timing interval (Figure 1). This physiological process that generates two back up heart sounds S3 & S4 for S1 & S2 indicates there must be a reason why the heart should deliver resonant specific frequency at a specific time It has been reported that the frequency of S1 & S2 is approximately 40 Hz of resonant frequency (5,6).…”
Section: Heart Sounds and Cardiac Cyclementioning
confidence: 99%
“…Therefor S4 seems to be a backup for S1 when S1 fails to produce specific sound frequency at specific timing interval (Figure 1). This physiological process that generates two back up heart sounds S3 & S4 for S1 & S2 indicates there must be a reason why the heart should deliver resonant specific frequency at a specific time It has been reported that the frequency of S1 & S2 is approximately 40 Hz of resonant frequency (5,6).…”
Section: Heart Sounds and Cardiac Cyclementioning
confidence: 99%