Volume 2 Number 3 (Jun. 2010)
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IJCEE 2010 Vol.2 (3): 524-533 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2010.V2.188

Separating Heart Sound from Lung Sound Using LabVIEW

T. E. Ayoob Khan and P. Vijayakumar

Abstract—Heart sounds interfere with lung sounds in a way that hampers the potential of respiratory sound analysis in terms of diagnosis of respiratory illness. This paper implements a VI for Heart Sound (HS) cancellation from Lung Sound (LS) records using the Advanced Signal Processing Toolkit of Lab VIEW 8.2. The method uses the multiresolution analysis of the wavelet approximation coefficients of the original signal to detect HS-included segments. Once the HS segments are identified, the method removes them from the wavelet coefficients and estimates the created gaps by using TSA ARMA modeling and prediction.

Index Terms—Virtual Instrument (VI), Multiresolution analysis (MRA), Time series analysis (TSA), Autoregressive Moving average (ARMA).

Ayoob Khan T E is with the Electronics Engineering Department,College of Engineering, Kottarakkara, Kollam, Kerala, India (phone:+91-9447556722; e-mail: teakhan@yahoo.com).
Dr P Vijayakumar is the Professor and Head of Electrical Engineering Department, Karpagam College of Engineering, Coimbatore, India (phone:+91-9894994643; e-mail: vijay_p6@hotmail.com).

Cite: T. E. Ayoob Khan and P. Vijayakumar, "Separating Heart Sound from Lung Sound Using LabVIEW," International Journal of Computer and Electrical Engineering vol. 2, no. 3, pp. 524-533, 2010.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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