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Closed captions were created for deaf and hard of hearing individuals to assist in comprehension. They can also be used as a tool by those learning to read, learning to speak a non-native language, or in an environment where the audio is difficult to hear or is intentionally muted.
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 "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.
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 ...
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 ...
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 ...
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 ...
SubRip is a free software program for Microsoft Windows which extracts subtitles and their timings from various video formats to a text file. It is released under the GNU GPL. [9] Its subtitle format's file extension is .srt and is widely supported. Each .srt file is a human-readable file format where the subtitles are stored sequentially along ...