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Design and Implementation of Software Based Audiometer System

Mehmet Cem Catalbas and Hasan Guler
Department of Electrical and Electronics Engineering, Firat University, Elazig, Turkey

Abstract—This paper proposes design and implementation of software based audiometer using LabVIEW. In this study, basic definition and test procedure of audiometer are explained. The implementation of audiometer is realized by LabVIEW. The most preferred clinical audiometer method (Modified Hughson-Westlake) is selected for study. The test procedure and audiometer implementation are explained by structure of binary case system. The ambient noise level is determined by decibel meter used in calibration. Besides, audiometer calibration process is performed for successful and realistic results. The calibration process is implemented by polynomial fitting. Furthermore, configurable white noise is used for minimizing interference between active and passive sound channel on duration of audiometer test. As a result, this paper achieves implementing a pure tone audiometer based LabVIEW with channel masking.

Index Terms—audiometer, LabVIEW, audio signal processing, biomedical equipment, medical signal processing

Cite: Mehmet Cem Catalbas and Hasan Guler, "Design and Implementation of Software Based Audiometer System," Journal of Image and Graphics, Vol. 5, No. 1, pp. 29-33, June 2017. doi: 10.18178/joig.5.1.29-33

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