Closed captioning
Closed captioning
Closed captioning is a text display of the audio portion of a video or broadcast, intended for viewers who are deaf or hard of hearing. Closed captions are typically displayed at the bottom of the screen and can be turned on or off by the viewer.
What does Closed captioning mean?
Closed captioning is a text display of the spoken audio of a television program, video, or other media content. It is typically used to assist viewers who are deaf or hard of hearing, or who are not fluent in the spoken Language. Closed captions are displayed on the screen, usually at the bottom, and can be turned on or off by the viewer.
Closed captions are created by a stenographer who listens to the audio and types the text. The text is then synchronized with the audio so that it appears on the screen at the same time as the spoken words. Closed captions can be either verbatim or Edited. Verbatim captions include all of the spoken words, while edited captions are shortened or paraphrased to make them more concise and easier to read.
Applications
Closed captioning is important in technology today because it makes media content accessible to a wider audience. It allows people who are deaf or hard of hearing to enjoy television shows, movies, and other video content. It also benefits people who are not fluent in the spoken language, as it provides them with a way to understand what is being said.
In Addition to its use for accessibility, closed captioning can also be used for other purposes. For example, it can be used to provide a transcript of a meeting or lecture, or to translate foreign-language content into English. Closed captioning can also be used to Add additional information to a video, such as trivia or behind-the-scenes facts.
History
Closed captioning was first developed in the 1970s by the National Bureau of Standards (NBS). The NBS developed a system called Telecaption, which used a special decoder to display captions on a television screen. The Telecaption system was not widely adopted, but it paved the way for the development of closed captioning as we know it today.
In 1980, the Federal Communications Commission (FCC) adopted regulations requiring television broadcasters to provide closed captioning for all new programming. This regulation was later expanded to include all video content, including DVDs and streaming video. Today, closed captioning is a standard Feature on most television sets and video players.