Summary: | This paper investigates the effect on the heart sounds upon listening to the chosen verses of the Al Quran. A signal of the heart sounds is extracted using Thinklabs Phonocardiography software and then the frequency components are extracted using MATLAB 7.11.0. Frequency components during diastolic are compared for two sessions; before and during listening sessions. Diastolic is a period where the chamber of the heart is filled with the blood when the heart muscle is in a relaxed condition. From this study, it is found that the frequency of the heart sound during listening to Al-Quran is lower than the one before listening to Al-Quran. This indicates that, the state of calmness can be achieved by listening to this selected verses of the Al-Quran. © Published under licence by IOP Publishing Ltd.
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