Glossary
Searchable terminology from accessibility, web standards, and related fields.
72 results found in media accessibility.
- 360-Degree Video (360 Video, VR360, Spherical Video, Omnidirectional Video)
- Video content recorded or rendered to cover the full 360-degree sphere around the viewer, allowing them to look in any direction during playback. When viewed in a virtual reality headset, 360-degree v…
- AI Dubbing (AI Voice Generation, Neural TTS Dubbing)
- The use of artificial intelligence text-to-speech systems to generate spoken narration and character dialogue for media production. In accessible webtoon and comic production, AI dubbing offers a cost…
- Anchored Generative Model (Anchored Transformation Model)
- A constrained AI generation approach where content creators define upper and lower bounds (anchors) of acceptable variation, and a generative model interpolates between these boundaries based on user …
- Audio Describer (Describer, AD Writer)
- A professional who writes and sometimes narrates audio descriptions for film, television, live performance, museums, and digital media. Audio describers craft concise verbal narration that conveys ess…
- Audio Description (AD, Descriptive Audio, Audio Narration)
- A narration track that describes visual elements of media, exhibitions, performances, or environments for people who are blind or have low vision. In museums, audio descriptions provide verbal account…
- Audio Description Customization (Personalized Audio Description, Adaptive AD)
- The ability for users to adjust the content and presentation of audio descriptions for video media based on their individual preferences. Customization dimensions may include detail level, emphasis on…
- Audio Ducking (Volume Ducking, Sidechain Compression)
- An audio production technique that automatically reduces the volume of one audio track (such as background music or sound effects) when another track (such as narration or dialogue) is playing, ensuri…
- Audio Effect Placement (AE Placement, Sound Effect Timing)
- The strategic timing of sound effects relative to narration or audio description in accessible media. Three primary placement strategies have been studied: pre-placement (sound effects before narratio…
- Auditory Description (Audio Description, Spoken Description, Verbal Description)
- The practice of providing spoken narration that describes visual information, making content accessible to people who are blind, have low vision, or benefit from auditory reinforcement of visual conte…
- Auditory Satisfaction
- The overall positive emotional and cognitive response users experience after engaging with audio content, encompassing contentment with auditory features, narration style, and technical quality. In ac…
- Background Music (BGM, Underscore)
- Continuous music that plays beneath narration or dialogue to establish mood, atmosphere, and emotional tone in media. In accessible audio production, background music should be distinguished from disc…
- Caption Customization (Caption Personalization, Adaptive Captioning)
- The ability for viewers to adjust caption properties to match their individual preferences and needs. Caption customization can encompass visual attributes like font size, color, and positioning, as w…
- Caption Density
- The amount of caption text displayed on screen relative to the available display time and screen space. High caption density—common in fast-paced scenes with many sound events—can overwhelm viewers by…
- Caption Occlusion (Caption Blocking, Subtitle Occlusion)
- The phenomenon where captions or subtitles visually block or cover other important information displayed on a video screen. Caption occlusion is a significant accessibility concern for Deaf and Hard o…
- Caption Placement (Caption Positioning, Subtitle Placement)
- The decision of where captions or subtitles are positioned on a video screen, which significantly affects the viewing experience of Deaf and Hard of Hearing users. Poor caption placement can occlude i…
- Caption Readability
- The ease with which viewers can read and process caption text on screen, influenced by factors including font size, display duration, caption density, reading speed requirements, and competition with …
- Captioning Key (DCMP Captioning Key)
- A set of guidelines and best practices for creating high-quality captions, most notably published by the Described and Captioned Media Program (DCMP). The Captioning Key covers standards for caption a…
- Closed Captioning (CC, Closed Captions)
- Text displayed on screen that represents dialogue, sound effects, music, and other audio information in video content, which viewers can toggle on or off. Unlike open captions, closed captions are a s…
- Closed Captioning (CC, Closed Captions)
- Text displayed on a screen that transcribes spoken dialogue, identifies speakers, and describes relevant sound effects in video content. Unlike open captions which are permanently embedded in the vide…
- Community Sourcing (Community-Driven Accessibility)
- An approach to creating accessible content by drawing on community members who have domain expertise or vested interest in the content, rather than relying on professional describers or general crowdw…