| A | B |
|---|
| audiologist | person who tests hearing |
| audiometer | machine that tests hearing |
| audiogram | a picture of how you hear |
| decibel dB | how loud or soft a sound is |
| frequency Hz | How high or low pitch a sound is |
| Threshold | the softest sound you hear |
| Speech detection threshold | quietest sound you can hear speech |
| speech reception threshold | quietest you can identify a word |
| Speech discrimination | How well you understand speech |
| speech banana | area on audiogram with the most speech sounds |
| conductive loss | problem in outer or middle ear |
| tympanometry | checks middle ear air pressure |
| sensori-neural loss | damage in inner ear, or nerve to the brain |
| mild hearring loss | 21-40 dB loss |
| moderate hearing loss | 41-55 dB loss |
| severe hearing loss | 71-90 dB loss |
| profound hearing loss | more than 90 dB loss |
| moderately-severe loss | 56-70 dB loss |
