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M F Syahputra
University of Sumatera Utara
Computer Science & IT Electrical & Electronics Engineering

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Noise Reduction in Breath Sound Files Using Wavelet Transform Based Filter M F Syahputra; S I G Situmeang; R F Rahmat; R Budiarto
Proceeding of the Electrical Engineering Computer Science and Informatics Vol 3: EECSI 2016
Publisher : IAES Indonesia Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1120.453 KB) | DOI: 10.11591/eecsi.v3.1148

Abstract

The development of science and technology in the field of healthcare increasingly provides convenience in diagnosing respiratory system problem. Recording the breath sounds is one example of these developments. Breath sounds are recorded using a digital stethoscope, and then stored in a file with sound format. This breath sounds will be analyzed by health practitioners to diagnose the symptoms of disease or illness. However, the breath sounds is not free from interference signals. Therefore, noise filter or signal interference reduction system is required so that breath sounds component which contains information signal can be clarified. In this study, we designed a filter called a wavelet transform based filter. The filter that is designed in this study is using Daubechies wavelet with four wavelet transform coefficients. Based on the testing of the ten types of breath sounds data, the data is obtained in the largest SNRdB bronchial for 74.3685 decibels.
Co-Authors R Budiarto R F Rahmat S I G Situmeang