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Terminology for Closed Captioning and TV
 
 
Oregon's Deaf and Hard of Hearing Services (ODHHS)-Technical Assistance Center
ODHHS Information and Technical Assistance Series
 

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