Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- NER Model(also: Number, Edition, Recognition Model, NER Accuracy Model)
- A caption-quality evaluation model developed by Pablo Romero-Fresco and Juan Martínez Pérez for measuring the accuracy of live subtitling and respeaking. Unlike Word Error Rate, which penalises all errors equally, the NER model weights each error by how much it affects the…
- Narrative Style(also: Descriptive Style, AD Voice)
- The distinctive approach a describer takes when writing audio descriptions, encompassing choices about language formality, emotional tone, level of interpretation, detail density, and pacing. Narrative style in audio description ranges from strictly objective and impersonal to…
- Non-diegetic Sound(also: Non-diegetic Audio, Extradiegetic Sound)
- Sound in film, television, or games that does not originate from any source within the story world and cannot be heard by the characters - for example, orchestral score, voice-over narration, or added accessibility cues. This contrasts with diegetic sound, which exists in the…
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