This fact sheet from the National Institute on Deafness and Other Communication Disorders (NIDCD) provides information on assistive devices for people with hearing, voice, speech, or language disorders: 

• What are assistive devices?
• What types of assistive devices are available? 
• What types of assistive listening devices are available?
• What types of augmentative and alternative communication devices are available for communicating face-to-face?
• What augmentative communication devices are available for communicating by telephone? 
• What types of alerting devices are available?
• What research is being conducted on assistive technology? 

The NIDCD maintains a directory of organizations that provide information on the normal and disordered processes of hearing, balance, taste, smell, voice, speech, and language. Visit the NIDCD website at www.nidcd.nih.gov/directory to search the directory.

Visit the NIDCD website at www.nidcd.nih.gov to read, print, or download facts sheets.