Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 320 of 333
- Voice Assistant (Smart Speaker, Voice-Activated Assistant, Conversational Agent)
- A software application that uses speech recognition and natural language processing to respond to voice commands and perform tasks. Common examples include Amazon Alexa, Google Assistant, and Apple Si…
- Voice Augmentation (Audio Augmentation, Voice-Based Augmentation)
- A technique for enhancing user interfaces by adding spoken audio feedback to supplement visual information on screen. Voice augmentation provides contextual support through spoken confirmations of use…
- Voice Browser (Voice Web Browser, Audio Browser)
- A voice browser is a type of web browser that presents web content through speech output and accepts voice or keyboard input rather than relying on visual display. Voice browsers convert web page cont…
- Voice Cloning (Voice Synthesis Cloning, Personalized Text-to-Speech)
- The use of machine-learning models to synthesise a target speaker's voice from a short reference recording, enabling text-to-speech output that sounds like that specific person. For accessibility, voi…
- Voice Command (Voice Control, Spoken Command)
- An input method where users speak predefined words or phrases to control software or perform actions. In assistive technology, voice commands enable hands-free and eyes-free interaction, allowing user…
- Voice Control (Voice Command, Voice-Activated Control)
- The ability to operate devices, applications, or systems using spoken commands. Voice control is a key accessibility feature in smart home technology, enabling people with mobility impairments, visual…
- Voice Conversion (VC, speech conversion)
- A speech processing technique that transforms one person's voice to sound like another while preserving the linguistic content. In accessibility applications, voice conversion can improve the intellig…
- Voice Customization (Voice Personalization, Custom Voice)
- The process of creating or modifying synthetic voices to match a user's preferences or identity, including attributes such as gender, age, pitch, breathiness, hoarseness, and speech variation. Voice c…
- Voice Disabilities (Voice Disorders, Speech Impairment, Aphonia)
- Conditions that partially or completely impair a person's ability to produce speech using their natural voice. Voice disabilities range from mild hoarseness or reduced volume to complete inability to …
- Voice Input (Voice Control, Voice Command, Speech Input)
- An input modality that allows users to control devices, enter text, or issue commands using spoken language, typically processed through speech recognition technology. Voice input is an essential acce…
- Voice Interaction (Voice User Interface, VUI, Voice-Based Interaction)
- An interaction paradigm where users communicate with technology primarily through spoken commands and receive audio responses, rather than using visual displays, keyboards, or touch screens. Voice int…
- Voice Interface (Voice User Interface, VUI)
- A user interface that accepts spoken language as input and typically provides audio output, enabling hands-free, eyes-free interaction with technology. Voice interfaces are used in voice-activated per…
- Voice Interface (Speech Interface, Voice User Interface, VUI, Conversational Interface)
- An interface that allows users to interact with a system using spoken natural language commands rather than keyboard, mouse, or touch input. Voice interfaces range from simple command-and-control syst…
- Voice Output Communication Aid (VOCA, Speech Output Device)
- An electronic augmentative and alternative communication (AAC) device that produces synthesized or digitized speech output when a user selects symbols, words, or phrases. VOCAs range from simple singl…
- Voice Recognition (Speech Recognition, Voice Control, Voice Input)
- Technology that identifies and processes human speech to convert it into text or execute commands. Voice recognition serves as a critical assistive technology for people with motor disabilities who ca…
- Voice Usability (Auditory Usability, Non-Visual Web Usability)
- The degree to which a web page, application, or document is usable when accessed through a voice browser or screen reader — the audio-first counterpart to traditional visual usability. Voice usability…
- Voice User Interface (VUI)
- A user interface that enables interaction with a device or system through spoken voice commands and audio responses. Voice user interfaces use speech recognition to interpret user input and text-to-sp…
- Voice User Interface (VUI, Voice Command Interface, Voice Interface)
- An interface that allows users to interact with a device or application through spoken language commands rather than touch, mouse, or keyboard input. Voice user interfaces use automated speech recogni…
- 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. Vo…
- Voice and Video-Capable Language Model (VVLM, Multimodal AI Assistant, Video-Capable LLM)
- A large language model that can process real-time or near-real-time video and audio input alongside text, enabling conversational interaction about the visual world. VVLMs represent a shift from stati…