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Audio description

Audio description, also referred to as a video description, described video, or more precisely called a visual description, is an additional narration track intended primarily for blind and visually impaired consumers of visual media (including television and film, dance, opera, and visual art). It consists of a narrator talking through the presentation, describing what is happening on the screen or stageduring the natural pauses in the audio, and sometimes during dialogue if deemed necessary. Audio description, also referred to as a video description, described video, or more precisely called a visual description, is an additional narration track intended primarily for blind and visually impaired consumers of visual media (including television and film, dance, opera, and visual art). It consists of a narrator talking through the presentation, describing what is happening on the screen or stageduring the natural pauses in the audio, and sometimes during dialogue if deemed necessary. For the performing arts (theater, dance, opera), and media (television, movies and DVD), description is a form of audio-visual translation, using the natural pauses in dialogue or between critical sound elements to insert narrative that translates the visual image into a sense form that is accessible to millions of individuals who otherwise lack full access to television and film. Occasionally when there is dialogue that is in another language from the main one of the film and subtitled on screen, the subtitles are read in character by the describer. In museums or visual art exhibitions, audio described tours (or universally designed tours that include description or the augmentation of existing recorded programs on audio- or videotape), are used to provide access to visitors who are blind or have low vision. Docents or tour guides can be trained to employ audio description in their presentations. Audio description of sporting events is now becoming more common, in particular at soccer stadiums. Researchers are working to show how description, through its use of varied word choice, synonyms, metaphor and simile, not only benefits children who are blind and others who have learning disabilities but can also boost literacy for all children. Silent films could naturally be enjoyed by the deaf due to the lack of spoken dialogue or sound whatsoever. The transition to 'talkies' in the late-1920's displaced this audience, but resulted in a push to make them accessible to the visually impaired. The New York Times documented the 'first talking picture ever shown especially for the blind' — a 1929 screening of Bulldog Drummond attended by members of the New York Association for the Blind and New York League for the Hard of Hearing, which offered a live description for the visually-impaired portion of the audience. In the 1940's and 1950's, Radio Nacional de España aired live audio simulcasts of films from cinemas with descriptions, framing these as a form of radio drama before the advent of television. In the 1980's, the Media Access Group of U.S. public television station WGBH-TV (which had already gained notability for their involvement in developing closed captioning) developed an implementation of audio description for television programming via second audio program (SAP), which it branded as 'Descriptive Video Service' (DVS). It was developed in consultation with Dr. Margaret Pfanstiehl of Washington, D.C., who had performed descriptions at theatrical performances and had run a radio reading service known as the Washington Ear. After four years of development and on-air trials (which included a proof of concept that aired the descriptions on a radio station in simulcast with the television airing), WGBH officially launched audio description via 32 participating PBS member stations, beginning with the new season of American Playhouse on January 24, 1990. In the 1990's at cinemas in California, RP International began to offer audio descriptions for theatrical films under the brand TheatreVision, relayed via earpieces to those who request it. A clip from Schindler's List was used to pitch the concept to the film's producers Gerald Molen and Branko Lustig, and one of the first films to be presented in this format was Forrest Gump (1994). TheatreVision sought notable personalities and celebrities to volunteer in providing these narrations, such as sportscaster Vin Scully, William Shatner, Monty Hall, and former U.S. president George H. W. Bush (for It's a Wonderful Life). Sometimes the narrator had ties to the film or was part of its cast; Irene Bedard described Pocahontas—a film where she had voiced the title character, and for the 1994 remake of Little Women, stars from previous versions of the film volunteered, including June Allyson, Margaret O'Brien, and Janet Leigh (whose grandmother was blind) from the 1949 version of the film, as well as Katharine Hepburn—star of the 1933 version. Other companies emerged in providing descriptions for programming in the U.S., including the National Captioning Institute, Narrative Television Network, and others. In 2000, the BBC voluntarily committed to providing descriptions for at least 20% of its programming annually. In practice, the BBC has often exceeded these targets. In 2009, BBC iPlayer became the first streaming video on-demand service in the country to support AD. On January 29, 2009, The Accessible Channel was launched in Canada, which broadcasts 'open' audio descriptions on all programming via the primary audio track. Audio description has also been extended to live events, including sporting events, the ceremonies of the Olympic and Paralympic Games, and the royal wedding of Prince William and Catherine Middleton, among others. In April 2015, the subscription streaming service Netflix announced that it had added support for audio description, beginning with Daredevil—a series based on a comic book character who himself is blind, and would add descriptions to current and past original series on the platform over time. The following year, as part of a settlement with the American Council of the Blind, Netflix agreed to provide descriptions for its original series within 30 days of their premiere, and add screen reader support and the ability to browse content by availability of descriptions.

[ "Speech recognition", "Communication", "Multimedia", "Telecommunications", "Operating system" ]
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