An audiogram is a graph of results from an audiometry hearing test. It can show the extent and type of hearing loss a person has. Learn how to interpret and use an audiogram here.

For adults, an audiogram reading between -10 and 25 dB is considered within normal limits. How accurate is an audiogram test? Audiogram tests generally provide an accurate assessment of your hearing.

The audiogram of a person with normal hearing might look like this, showing that they can hear soft sounds that fall between 0 and 20 decibels. The area in blue shows the frequencies and decibel ...

In fact, in a study of more than 100,000 patient records from a 16-year period, about 10 percent of patients who visited the audiology clinic at Massachusetts Eye and Ear had a normal audiogram.

“You can have tremendous damage to inner hair cells in the ear that transmit information to the brain and still have a normal audiogram,” says Salvi. “But people with this type of damage have ...