Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- DECTalk
- A text-to-speech synthesis system originally developed by Digital Equipment Corporation in the 1980s, using rule-based formant synthesis to generate speech from text input. DECTalk offered several preset voices (including "Paul" and "Betty") and was widely adopted in AAC…
- Delegated Agency(also: Delegated Technical Agency)
- Delegated agency occurs in augmentative and alternative communication (AAC) when a close conversation partner (such as a parent or aide) acts on behalf of an augmented communicator to advance the communicator's conversational goals. This may include expanding on the…
- Digital Storytelling(also: Multimedia Storytelling, Personal Digital Narrative)
- The use of digital media — including photographs, video clips, audio recordings, and text — to create and share personal narratives. In the context of accessibility and AAC, digital storytelling offers an alternative to text-based and real-time spoken communication, allowing…
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