Glossary

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Vibro-Audio(also: Vibrotactile Audio, Vibro-Tactile)

Vibro-audio is a multimodal interaction technique that combines vibration feedback from a device's built-in motor with auditory cues to convey information non-visually. On touchscreen devices, vibro-audio enables users to explore graphical content through touch — the device…

Vibro-Audio Map(also: VAM, Vibro-Audio Display)

A multimodal map representation for touchscreen devices that combines vibrotactile feedback with synchronised audio cues to convey spatial information non-visually. Users explore the map by dragging a finger across the screen; when they cross a feature (a street, a room…

Video-to-Haptics(also: Video to Haptics, V2H)

A class of techniques that automatically generate haptic feedback (typically vibrotactile or force cues) from visual content in video, so that viewers feel sensations synchronised with what they see. Video-to-haptics offers a non-visual channel for conveying motion, impact, and…

Vista Space(also: Vista)

In Montello's classification of psychological spaces, a Vista is a far-field space that can be visually apprehended from a single vantage point without appreciable locomotion - a horizon view, a city skyline, a mountain panorama. Vista spaces matter to accessibility because they…

Visual Interpretation Services(also: VIS, Remote Sighted Assistance, Visual Assistance Services)

Visual interpretation services are technology platforms that connect blind and low vision users with sighted assistants (either human volunteers or paid professionals) who provide real-time visual descriptions through video calls or image sharing. Services like Aira and Be My…

Voice Vista

A free audio-based navigation application for blind and low-vision users that uses 3D spatial audio to announce nearby streets, intersections, points of interest, and set beacons as the user walks. Voice Vista is a community-maintained successor to Microsoft Soundscape, released…

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