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Unintelligible Speech

The term unintelligible refers to speech that is very difficult for others to understand due to factors other than voice volume.  The term has no relation to the term intelligence.   Preferred methods of communication for individuals with unintelligible speech vary. In accommodating an individual with speech that is difficult to understand, a best practice is to get input from the individual and, if appropriate, their medical providers as to the communication methods that work best for a particular individual.


Communication aids provide communication access to people who have speech, hearing, or cognitive impairments. By typing words and sentences or touching pictures and symbols, an individual who has no speech or limited ability to speak can communicate through text, synthesized speech, or a prerecorded voice. Communication devices can be used to communicate in situations involving personal communication, groups, or the telephone.

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