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EIA-608, also known as "Line 21 captions" and "CEA-608", [1] was once the 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 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.
The Analog Protection System (APS), also known as Analog Copy Protection (ACP), Copyguard or Macrovision, [ 1] is a VHS [ 2] and DVD copy protection system originally developed by the Macrovision Corporation. Video tapes copied from DVDs encoded with APS become garbled and unwatchable. The process works by adding pulses to analog video signals ...
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 . Unlike Run-length encoding DVB and DVD subtitles, CTA ...
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.
229 [4] Website. ncicap.org. The National Captioning Institute, Inc. (NCI) is a 501 (c) (3) nonprofit organization [3] that provides real-time and off-line closed captioning, subtitling and translation, described video, web captioning, and Spanish captioning for television and films. Created in 1979 [5] and headquartered in Chantilly, Virginia ...
The Rear Window Captioning System. The Rear Window captioning system (RWC) is a method for presenting, through captions, a transcript of the audio portion of a film in theatres for deaf and hard-of-hearing people. The system was co-developed by WGBH and Rufus Butler Seder. On the way into the theatre, viewers pick up a reflective plastic panel ...
An Aug. 29 Threads post (direct link, archive link) shows a C-SPAN screenshot of Ohio Sen. JD Vance speaking at a rally with closed-captioning that says “single person clapping." “C-SPAN has ...