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CTA-708 (formerly EIA-708 and CEA-708) is the standard for closed captioning for ATSC digital television (DTV) viewing in the United States and Canada.It was developed by the Consumer Electronics sector of the Electronic Industries Alliance, which became Consumer Technology Association.
Tubi (stylized as tubi) is an American over-the-top content platform and free ad-supported streaming television owned by Fox Corporation since 2020. [ 2 ] [ 3 ] The service was launched on April 1, 2014, and is based in Los Angeles, California .
EIA-608, also known as "Line 21 captions" and "CEA-608", [1] is a standard for closed captioning for NTSC TV broadcasts in the United States, Canada and Mexico. It was developed by the Electronic Industries Alliance and required by law to be implemented in most television receivers made in the United States.
The National Captioning Institute's work first became publicly well known on March 16, 1980, when ABC, NBC, and PBS collectively introduced closed-captioning of their television shows. [7] At the time, CBS decided not the join the group at first because CBS preferred a different captioning system that was being used in Europe.
The term closed indicates that the captions are not visible until activated by the viewer, usually via the remote control or menu option. On the other hand, the terms open, burned-in, baked on, hard-coded, or simply hard indicate that the captions are visible to all viewers as they are embedded in the video.
Captioning is mandated by the Americans with Disabilities Act (ADA) as an auxiliary aid or service. [3] CART is a viable option to use in conjunction with or instead of a sign language interpreter, however, the decision made about which medium should be used should be based on the needs of the individuals who require the service. [ 4 ]
The "CC in a TV" symbol Jack Foley created, while senior graphic designer at Boston public broadcaster WGBH that invented captioning for television, is public domain so that anyone who captions TV programs can use it. Closed captioning is the American term for closed subtitles specifically intended for people who are deaf or hard-of-hearing.
However, e-Captioning is now available to TV Broadcast facilities for tapeless workflows. Prior to the advent of e-Captioning, closed captioning was added to a video using a linear deck-to-deck process, which required the use of a physical master video tape, two tape decks (play and record), and a hardware closed captioning encoder. [1]