A hearing aid fitting method designed specifically for children.

When capitalized, Deaf refers to those who consider themselves a part of the Deaf culture, and choose to communicate using a signed language such as American Sign Language (ASL), instead of spoken communication.

When written with a small “d”, it refers to a person with little or no measurable hearing, i. e. 90+ dB hearing loss. A person with severe or profound hearing loss.

Abbreviation for decibel—a tenth of a bel. Named after Alexander Graham Bell, thus the “B” is always capitalized in his honor—thus dB. (See Decibel.)

See Direct Audio Input.

A visual representation of the phonemes of spoken language that uses 8 hand-shapes in 4 different locations (cues) on the face in combination with the natural mouth-movements of speech to distinguish all the sounds of spoken language.