Advanced clinical audiometry: measuring residual auditory capacity using a standard audiometer under computer control
Keywords:
biomedical equipment, biomedical measurement, hearing, medical diagnostic computing, physical instrumentation control, speech intelligibility, clinical audiometer-based computer controlled psychoacoustic test system, residual auditory capacity, frequency resolution, loudness growth, hearing threshold, experimental procedures, PCAbstract
This paper describes a clinical audiometer-based computer controlled psychoacoustic test system (PATS). Experimental psychoacoustic test procedures offer the possibility to improve the measurement of residual auditory capacity for diagnostic and rehabilitative purposes. Experimental procedures of interest include measures of frequency resolution and loudness growth, as well as more advanced measures of speech intelligibility and of hearing threshold. Unfortunately, within clinical audiological settings, equipment and time constraints have frustrated attempts to introduce such procedures. One reason is that these measurements often require equipment which is not available in a clinical setting, and indeed is generally considered to be unsuitable for such settings. Moreover, these experimental procedures typically require more time than is available in a clinical setting. To address these concerns, we have implemented an approach using a general-purpose, widely-available, audiometer, controlled by a PC. With special-purpose software, this configuration permits us to perform psychoacoustic test procedures which could not otherwise be performed in a clinical setting
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