Audiometry - The Hearing Test - Audiometer - Procedure - Audiogram
Audiometry or the hearing test helps to determine the ability of a person to hear various sounds and consequently identify the location of damage in a person with diminished hearing sensitivity.
United States Himabindu Venkatakrishnan Speech Audiometry Electro Acoustic Immitance Stem Evoked Response Audiometry Hearing Test
Source: medindia.net