Audiology is the interdisciplinary study related to hearing loss that is currently marked the 3rd appearance ratio of disorders in Korea. Students get to study its theories and practice about audiological assessment, auditory training, and aural (re)habilitation. The major fields include basic audiology, clinical audiology, rehabilitative audiology, hearing aids, cochlear implantation and alternative technology, pediatric audiology, geriatric audiology, industrial audiology, and educational audiology.