Descriptive Video Service

What Does Descriptive Video Service Mean?

The Descriptive Video Service (DVS) is a service pioneered in the
1990s that helps provide more video information for blind or visually impaired
viewers. Descriptive Video Service does more to help visually disabled
individuals to understand what is happening on the screen in movies and
television shows by providing narration.


Descriptive Video Service is also known simply as Descriptive Video.

Techopedia Explains Descriptive Video Service

Using professional narrators and script writers, Descriptive Video Service researches what is going on in a video broadcast, in order to generate narratives that can help blind or visually impaired people to understand more about the video in question. Descriptive Video Service narratives can describe things like the clothes that actors and actresses are wearing, as well as gestures and facial expressions. Some narratives also describe things like scene changes, or read text that appears on screen.

In the past, the Descriptive Video Service, which is supplied by the Media Access Group, was restricted to a broadcaster’s local service area. However, modern telecommunication services bring Descriptive Video Service to larger audiences. This type of service is widely available for many American movies and television shows.


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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.