Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- AI-Generated Speech(also: Synthetic Speech, AI Speech)
- Speech audio produced by artificial intelligence systems — typically neural text-to-speech or voice cloning models — rather than recorded from a human speaker. Deaf and hard-of-hearing content creators increasingly use AI-generated speech to add spoken-language tracks to signed…
- ASL Grammar(also: American Sign Language Grammar)
- The linguistic rules governing the structure and use of American Sign Language, which differs fundamentally from English grammar. ASL has its own syntax, morphology, and phonology, with word order, spatial grammar, and non-manual markers playing central roles. NMS serve as…
- Acoustic Event Detection(also: Sound Event Detection, Audio Event Detection, Sound Event Classification)
- The automated process of identifying and classifying specific sounds within an audio stream, such as recognizing a phone ringing, door knocking, fire alarm, or speech from continuous environmental audio. Acoustic event detection systems use machine learning trained on labeled…
- Aural Diversity(also: Hearing diversity)
- A framework that recognizes the wide variation in how humans perceive and engage with sound, rather than treating typical hearing as the norm against which all other experiences are measured. Aural diversity spans d/Deaf, Hard of Hearing, hyperacusis, tinnitus, misophonia,…
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