Terminology Used in Closed
Captioning and Television
(Source: Gary Robson, Cheetah Systems, 6/92, 7/96)
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AA
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Average Audience - used for measuring TV viewership
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AARP
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American Association of Retired Persons
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ABES
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Association for Broadcast Engineering Standards
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ADA
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Americans with Disabilities Act
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ADI
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Area of Dominent Influence
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AEA
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Actors Equity Association
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AEA
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American Electronics Association
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AFTRA
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American Federation of Television & Radio Artists
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AITS
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Association of Independent Television Stations
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ALDA
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Association of Late Deafened Adults
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ASL
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American SIgn Language
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Basys
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A newsroom computer system
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BNC
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Bayonette Connector (for coaxial cable)
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Caption 21
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Script-based captioning system from Basys
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CAPtivator
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Captioning software from Cheetah Systems
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CATV
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Cable Television (originally Community Antenna TV)
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CBC
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Canadian Broadcasting Corporation
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CC
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Closed-Captioned
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CCE/PC
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Closed-Caption Encoder for the PC (card made by SoftTouch)
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CE
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Chief Engineer (Chief Station operator)
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Cheetah Systems
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Manufacturer of captioning software & systems
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CHUT
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Cable Households Using Television
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decoder
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A device that displays closed captions "hidden" in the VBI
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EDTV
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Extended Definition Televions
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EEG
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Manufacturer of professional caption encoders/decoders
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encoder
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A device that "hides" captions in the VBI
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ENG
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Electronic News Gathering
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FCC
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Federal Communications Commission
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FTC
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Federal Trade Commission
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Gallaudet
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University for deaf and hearing impaired people, located in Washington, D.C.
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HBI
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Horizontal Blanking Interval
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HDTV
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High Definition Television
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HOH
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Hard-of-Hearing
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LTC
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Longitudinal Time Code (SMPTE timecode on audio track)
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Line 21
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Area of VBI containing closed-caption text
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live-display
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Hand-timing captions from a script during live programming
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MOP
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Minute of Program
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MSA
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Metro Survey Area
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MSI
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Market Statistics Inc.
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MTBF
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Mean Time Between Failure(s)
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MTBR
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Mean Time Between Repair(s)
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NAB
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National Association of Broadcasters
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NAD
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National Association for the Deaf (a national organization of and for deaf people)
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NewStar
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Newsroom computer system from Dynatech
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NCI
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National Captioning Institute (captioning company in VA)
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NSI
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Nielsen Station Index
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O&O
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Owned & Operated (a TV station owned by its network)
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PA
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Public Affairs
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paint-on
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Captions being "drawn" a letter at a time anywhere on screen
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PBS
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Public Broadcasting Service
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PD
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Program Director - Production Director
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pop-on
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Captions appearing all at once anywhere on TV screen
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POTS
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Plain Old Telephone Service - used to refer to ordinary phone lines (as opposed to dedicated lines or ISDN)
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PPV
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Pay per View
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PSA
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Public Service Announcement
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RCA connector
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Connector used for home video and audio equipment
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realtime
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Captions produced using a stenocaptioner
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RGB
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Red-Green-Blue (for video signals on three wires)
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RGB/Sync
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Red-Green-Blue with synchronization signal (four wire video)
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roll-up
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two- to four-line captions scrolling on screen
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RTNDA
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Radio & Television News Directors Association
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SAP
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Second Audio Program on TV subcarrier
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SBE
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Society of Broadcast Engineers
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SCTE
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Society of Cable Television Engineers
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SECAM
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Sequential Coleur Avec Memoire (French/Russian Color TV standard)
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SHHH
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Self Help for Hard of Hearing People (a national organization of and for deaf and hard-of-hearing people)
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SMPTE
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Society of Motion Picture & Television Engineers
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SMSA
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Standard Metropolitan Statistical Area
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SoftTouch
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Manufacturer of plug-in caption encoders for personal computers
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SVHS
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Super VHS - a 1/2" videotape format
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TBC
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Time Base Corrector (for "cleaning up" video signal)
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TDCA
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Television Decoder Circuitry Act
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TDD
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Telecommunications Device for the Deaf (used as synonym for TTY)
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TeleCaption
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Home caption decoder manufactured by NCI
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Teletext
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Captioning standard used in UK & parts of Europe
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timecode
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Unique time identifier "stamped" on each frame of video
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TT
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Text Telephone (obsolete synonym for TTY - not used)
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TTY
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Teletypewriter (see also TDD), device used with or in place of a telephone to allow communication by typing over POTS lines
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U-Matic
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A 3/4" videotape format
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VBI
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Vertical Blanking Interval - the "blank" lines of video picture between the bottom of one frame and the top of the next
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VCR
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Video Cassette Recorder
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VITC
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Vertical Interval Time Code
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VPS
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Viewers per Set
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VPVH
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Viewer per Viewing Household
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VR-100
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Home caption decoder from NCI with new FCC 1993 standards
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VTR
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Video Tape Recorder
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