Conception of a Software Pure Tone Audiometer Application

The prediction of the hearing thresholds using the pure tone audiometer is an essential part of the hearing test to know the sensitivity of the human hearing. In this paper, we present a pure tone audiometer implemented in MATLAB development environment for a personal computer. A flowchart presents the different steps to facilitate the use of the graphical user interface of pure tone audiometer test. The frequencies of hearing levels graph of the left ear and right ear are displayed together in the same audiogram for comparison. To obtain the audiogram, an accurate and less time consuming procedure called the modified Hughson-Westlake procedure is used. An overview of audiometric calibration is conducted to improve the software audiometer application's results.