WORDS TO KNOW

The links below are to an alphabetical glossary of words and terms which you may find useful as you help your child and build your child's team.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Glossary -- D

deaf - a term used to describe persons who have a hearing loss greater than 90 dB HL. When capitalized, it also may be used to refer to those who consider themselves part of the Deaf community or culture and choose to communicate using sign language, such as American Sign Language, instead of spoken communication.

decibel (dB) - the unit that measures the intensity of sound.

direct audio input - the capability of connecting a sound source, such as a TV or tape recorder, directly into a hearing aid. Also refers to the connection of an FM auditory trainer directly into a hearing aid.

DSL [i/o] - Desired Sensation Level; a hearing aid fitting method designed specifically for children.

dynamic range - the difference between the softest sounds one can hear and the loudest sound tolerated.