Glossary
Searchable terminology from accessibility, web standards, and related fields.
6 results found in Speech Accessibility.
- Endpoint Detection (Voice Activity Detection, VAD)
- The process by which a speech-recognition system decides when a user has finished speaking, so the system can stop listening and send the captured audio for recognition. Off-the-shelf voice assistants…
- Listening Window
- The interval during which a voice assistant or speech-recognition system actively captures user audio after being activated (by wake word or button press). A short or fixed listening window causes pre…
- Silent Speech (Silent Speech Interface, SSI)
- Communication technologies that generate intelligible speech from non-acoustic signals produced during the intent or attempt to speak, without requiring audible voicing. Input modalities include surfa…
- Speech Diversity (Diverse Speech, Non-Typical Speech)
- The full range of ways human speech varies from the narrow 'typical' speech on which most speech-AI systems are trained and benchmarked. Speech diversity includes people who stutter, d/Deaf and Hard-o…
- Speech-to-Speech (S2S, Speech-to-Speech Conversion)
- A class of systems that transform one speech signal directly into another — for example, converting atypical input (whispered, dysarthric, accented, or cross-lingual speech) into clear, intelligible o…
- Whispered Speech (Whisper, Whispering)
- A mode of speech production in which the vocal folds do not vibrate periodically; sound is generated by turbulent airflow through a narrow glottal opening. Whispered speech lacks a fundamental frequen…