One of the most effective means of mass communication is broadcast media, which comprises all kinds of audio and visual content delivery. The main media used to reach the general public include television, radio, podcasts, and internet videos. Video material on television and in digital media is becoming more and more popular, especially since the epidemic started.
Captioning is a component of making any video content digitally accessible. Not only has the number of viewers of video content expanded, but so too have the wide range of viewers who come from various linguistic backgrounds, the requirement to be in noise-sensitive situations, and the population of hard-of-hearing people.
Closed captions were not utilised by the broadcast industry prior to the 1970s. The National Captioning Institute was established in 1979, and in 1982 it created a method for live captions in broadcasting. The National Captioning Institute's establishment has helped to spread the use of closed captions.
According to a recent WHO assessment, by 2050, it is expected that approximately 2.5 billion individuals would have some degree of hearing loss, and at least 700 million of those people will need hearing rehabilitation.
Additionally, the number of people watching videos in noise-sensitive settings has multiplied, particularly with the explosion of 21st-century digital advances. Global audiences with a variety of linguistic origins are invariably very interested in watching video content from numerous other nations and languages.