Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
Search results
- Talking Head(also: Virtual Talking Head, Animated Face, 3D Talking Head)
- A talking head is a computer-generated 3D or 2D animated representation of a human face and articulatory system that produces visible speech movements synchronised with audio output. In accessibility and speech therapy contexts, talking heads are particularly valuable because…
- Text-to-Speech(also: TTS, Speech Synthesis)
- Technology that converts written text into spoken audio output. Text-to-speech is a fundamental component of many assistive technologies, including screen readers, audio description tools, and communication devices for people with speech disabilities. Modern TTS systems use…
- Time-compressed Speech(also: Accelerated Speech, Speed-altered Speech)
- Speech that has been digitally processed to play at a faster rate than it was originally recorded or synthesized, while preserving pitch. Unlike simply increasing playback speed (which raises pitch), time compression algorithms remove small portions of the audio signal to reduce…
3 results.