The deaf are people who cannot hear, specially because of illness or injury.

A) BASIC CHARACTERISTICS OF THE DEAF

:: Deaf people usually have difficulties talking and being understood, that is why sometimes they are also known as the deaf-mute.

:: Few people are totally deaf; many people can hear with comprehension in an acoustically favourable space.

:: The deaf can usually read your lips if you face them and speak clearly.

:: There is a sign language for the deaf which consists in representing letters and/or symbols with the fingers.

 

B) ACCESSIBLE ENVIRONMENTS FOR THE DEAF

:: Warnings and directions should have clear visual signals, such as flashing lights.

:: Fire alarms, doorbells, and telephones should all have visible flashing lights as well as audible signals.

:: Public address in airports and transport terminals should be written as well as audible.

:: Auditoriums should be well illuminated to facilitate lip-reading of speakers.

:: Flashing lights should be used where possible, accompanied by written messages.

:: Signs should be clear and easily noticeable, so that people do not have to ask for directions (some deaf people have difficulty talking and being understood).

:: Acoustically favourable spaces avoiding reverberation should be promoted.