Audiology is a part of science that reviews hearing, balance, and related issues. Audiologists treat those with hearing misfortune and proactively forestall related harm. By utilizing different testing systems (for example conduct hearing tests, otoacoustic emanation estimations, and electrophysiologic tests), audiologists mean to decide if somebody has ordinary affectability to sounds. On the off chance that conference misfortune is recognized, audiologists figure out which parts of hearing (high, center, or low frequencies) are influenced, how much (seriousness of misfortune), and where the sore causing the consultation misfortune is discovered (external ear, center ear, inward ear, sound-related nerve and additionally focal sensory system).