the level of a pure tone of a given frequency that is just detectable by a person with normal hearing. Audiometric zero is used to calibrate audiometers and, by definition, is 0 dB HL (hearing level). ... See audiogram.

Is there sound at audiometric zero?

Audiometric Zero simply means the threshold of hearing. It is the lowest intensity at which a normal person can hear a sound. The audiometric zero varies from person to person. ... This does not mean “no intensity'' but ''normal audible lowest intensity'' or audiometric zero.

Why is audiometry important?

An audiometry exam tests how well your hearing functions. It tests both the intensity and the tone of sounds, balance issues, and other issues related to the function of the inner ear. A doctor who specializes in diagnosing and treating hearing loss called an audiologist administers the test.