Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Shepard Tone(also: Shepard Scale, Shepard-Risset Glissando)
- A psychoacoustic auditory illusion created by layering sine waves separated by octaves, producing the paradoxical perception of a tone that continuously rises (or falls) in pitch indefinitely, yet cycles back without apparent discontinuity. Named after cognitive scientist Roger…
- Speech Prosodics(also: Prosodic Features, Suprasegmental Features)
- Speech prosodics refers to the nonverbal acoustic features of speech that convey meaning beyond the words themselves, including pitch (fundamental frequency), rhythm, stress, intonation patterns, pausing, and speaking rate. In accessibility research, prosodic analysis serves as…
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