Implementation of a Portable Multi-channel Psychoacustic System

抄録

This letter presents a full-function design and implementation of a multi-channel audiometer with programmable devices. Audiologists perform a battery of tests to measure the psychoacoustic and auditory capabilities of a patient. However, there is an increasing need for developing a multi-channel psychoacoustic testing system to evaluate the spatial hearing abilities of hearing impaired subjects, and also to measure the perceptual benefits of directional hearing aids. The design combines programmable devices and software to obtain higher-quality and complete signals required for audiometric tests. Electro-acoustic measurements and perceptual evaluations of the proposed design show that the proposed system provides comparable performance as a commercial audiometer, with increased programmability, portability, and multi-channel testing capabilities.