Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 321 of 333
- Voice banking (Voice preservation, Speech banking)
- The process of recording and storing samples of a person's natural voice so that a synthetic version can be created for future use with text-to-speech systems. Voice banking is particularly important …
- Voice navigation (Voice control, Voice input)
- An assistive technology that allows users to navigate and interact with digital content using spoken commands rather than a mouse, keyboard, or touchscreen. Voice navigation systems such as Dragon Nat…
- Voice over IP (VoIP, Internet Telephony, IP Telephony)
- Technology that enables voice communication over internet protocol networks rather than traditional telephone lines. VoIP applications such as Skype, Zoom, and Teams allow voice and video calls over t…
- Voice over Internet Protocol (VoIP, IP Telephony, Internet Calling)
- Technology that enables voice communication over internet networks rather than traditional telephone lines. VoIP converts voice signals into digital packets transmitted over IP networks, enabling feat…
- Voice over LTE (VoLTE, LTE Voice, HD Voice)
- A standard for transmitting voice calls over 4G LTE mobile networks using IP-based protocols rather than legacy circuit-switched networks. VoLTE typically uses the AMR-WB codec, enabling wideband HD v…
- Voice prosthesis (speech prosthesis, voice restoration device)
- A device that enables speech production for people who have lost their natural voice, typically due to laryngectomy or severe laryngeal damage. Voice prostheses include external devices like electrola…
- Voice rest (vocal rest, voice therapy)
- A prescribed period of reduced or eliminated voice use, typically following laryngeal surgery, vocal cord injury, or to treat voice disorders. During voice rest, patients may be instructed to whisper …
- Voice user interface (VUI, Conversational interface, Voice interface)
- A human-computer interaction paradigm that uses speech as the primary input and audio output as the primary feedback channel. Voice user interfaces range from simple command-and-response systems to co…
- Voice-Activated Personal Assistant (VAPA, Voice Assistant, Virtual Assistant)
- AI-powered software that responds to spoken commands to perform tasks such as scheduling, setting reminders, searching information, and controlling devices. Examples include Siri, Alexa, Google Assist…
- Voice-Assisted Technology (VAT, Voice-Activated Technology)
- Technology that uses voice recognition and natural language processing to enable users to interact with devices, applications, and services through spoken commands. Voice-assisted technology encompass…
- Voice-First Design (Voice-First Interface, Audio-First Design)
- A design approach for applications and interfaces where voice is the primary input and output modality, with visual elements being secondary or absent. Voice-first design is particularly relevant for …
- Voice-activated personal assistant (VAPA, Smart assistant, Virtual assistant, Voice assistant)
- An AI-powered software agent that responds to voice commands to perform tasks such as answering questions, controlling smart home devices, managing schedules, and reading content aloud. For people wit…
- Voice-to-Text (Voice Typing, Dictation, Voice Input)
- Technology that converts spoken language into written text, enabling users to compose text by speaking rather than typing. Voice-to-text is an important accessibility tool for people with motor disabi…
- VoiceOver
- The built-in screen reader provided by Apple across macOS, iOS, iPadOS, watchOS, and tvOS. VoiceOver is notable for being deeply integrated into the operating system rather than being a separate appli…
- VoiceXML (Voice Extensible Markup Language, VXML)
- VoiceXML (Voice Extensible Markup Language) is a W3C standard markup language for creating voice-based user interfaces, particularly interactive voice response (IVR) systems and voice browsers. VoiceX…
- Voicemail (Voice Mail, Voice Messaging)
- Voicemail is a telecommunications service that records an audio message from a caller when the called party is unavailable, for later retrieval by the recipient. Accessibility considerations include: …
- Voicemark (Voice Bookmark, Audio Bookmark)
- A navigable audio marker or bookmark that allows users to quickly locate and access specific sections of web content or documents through speech or keyboard interaction. Voicemarks are created by anal…
- Voicemarking (Voice Bookmark, Speech-Based Bookmark)
- A speech-based technique for creating and retrieving semantic bookmarks in assistive web browsers. Users create voicemarks by speaking the name of a concept (e.g., "Major Headlines") and optionally a …
- Volumetric Symbol (3D Symbol, Volumetric Icon)
- A small three-dimensional object used on a tactile or audio-tactile map to represent a category of place or facility — for example, a distinct shape for a restroom, elevator, information desk, or exhi…
- Volunteer-Driven Accessibility (Community-Driven Accessibility)
- Accessibility solutions that depend on the unpaid labor of volunteers rather than being built into platforms or services by design. Examples include volunteer-created accessible e-newspapers for blind…