Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Deaf-Accented Speech(also: Deaf Accent, Deaf-Accented English)
- Speech produced by Deaf or Hard of Hearing people whose articulation, prosody, and voicing patterns differ from typical hearing speakers because the speaker has limited or no auditory feedback for their own voice. Deaf-accented speech is intelligible to familiar listeners but is…
- DementiaBank
- A shared database of multimedia interactions for the study of communication in dementia, maintained as part of the TalkBank system. DementiaBank contains longitudinal recordings of people with Alzheimer's disease and matched controls performing tasks like the "cookie theft"…
- Dialog Act(also: Dialogue Act, Speech Act)
- A classification label representing the communicative intention behind a spoken or written utterance in a conversational system. In the context of accessible technology, dialog acts are used to interpret what a user wants to accomplish when issuing voice commands — for example,…
- Distant speech recognition(also: Far-field ASR, Far-field speech recognition)
- Automatic speech recognition performed on audio captured by microphones positioned at a distance from the speaker (typically 2+ meters), rather than close-talk input from headsets or handheld devices. Distant speech recognition is significantly more challenging than close-talk…
- Dysarthric Speech(also: Dysarthria)
- Dysarthric speech is speech that is affected by dysarthria, a motor speech disorder resulting from neurological injury or conditions that affect the muscles used for speech production. Characteristics include imprecise articulation, irregular speech rate, abnormal pitch and…
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