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Page Updated: January 19, 2002

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TV Home Definitions:

Welcome to the "TV Home Definitions" page.
This page includes definitions and abbreviations used in the media. This page is also useful for terms that appear in the TV Home Forum.

Num | A | B | C | D | E | F | G | H | I | L | M | N | O | P | Q | R | S | T | U | V | W | Z
 

  • A
    ABC
    - Australian Broadcasting Corporation, American Broadcasting Company

    AVID - Apple Mac non-linear computer video editing system
    ANI - ANImate; command for graphics to change to the next image
    Animation - A BBC name for a shorter identifier that runs before trails rather than programmes.
    ARC
    - Aspect Ratio Converter; changes 16:9 widescreen to 4:3 ratio and back
    Aspect Ratio - ratio of width to height
    Aston - Name caption or "super" (superimposition) or CG
    Audio Description - A special sound channel which is used by certain programmes to include the addition of a narrative voice for those with sight difficulties
     

  • B
    BASYS
    - Old News scripting tool
    BBC - BBC
    BETA - Videotape format
    BETACART - Multiple tape storage/automation system used to transmit Beta tapes
    BIGTED - Gallery device which creates and display Astons or name captions
    BLACK & SILENCE - (B&B;Black & Burst) A source which provides pure black video, correct Burst and no audio
    BNCS - Broadcast Network Control System; routes sources from one place to another. Can also control equipment at a basic level. Designed by the BBC to integrate the control of any broadcast equipment.  Now used by other broadcasters worldwide
    BSB - British Satellite Broadcasting - UK's only official government approved DTH satellite service. Concived in the mid-80s, it launched with five television channels in April 1990. It later merged with Sky Television on 31st October 1990 to become BSkyB
    BSkyB
    - British Satellite Broadcasting - formed on October 31st 1990 as a result of a merger between BSB and Sky Television LTD. Operates digital DTH services for UK viewers via the Astra 2 group of satellites, and provider of channels for cable and digital terrestrial services
    BUG - DINGO
     

  • C
    CAP - Caption Graphic (old terminology); a picture or still
    CAM - Conditional Access Module - hardware used to decrypt encrypted channels, when authorised to do so with a valid smartcard.
    CCTV
    - Closed Circuit Television
    CG
    - Caption Graphic = Aston = Super
    CI - Common Interface - a socket used for adding additional hardware, usally adding a CAM to a STB.
    Clean Feed
    - Feed of programme sound less the source it is being fed to. Also known as IFB
    CODDED 2-WAY - Recording a 2-way (DTL) non-sequentially; answers recorded in vision with presenter questions recorded and added later
    COLUMBUS - Command processor that runs the transmission automation system
    CNN - Cable News Network (weblink)
    CSO
    - Chroma Separation Overlay; ChromaKey. Removing a particular colour electronically from an image and replacing with another image
    CTA - Central Technical Area. Area which routes sources and destinations
     

  • D
    DCART - Digital audio recording and storage device
    DIGIGRADE - Same as TARIF but settings stored and remembered for later retrieval
    Digital 3&4 - Service operating digital terrestrial multiplex 2. Consist a joint ownership of ITV and Channel 4.
    DINGO - Digitally originated In News Graphics On screen. Full colour version of DOG. Also known as BUG
    DNC1 - Digital Network Control 1
    DOG
    - Digitally Originated Graphic. Monochrome video signal. Used for Insets and channel idents
    DONUT - Sequence in which reporter at OS introduces a package and ends with a 2-way
    DSK - Down Stream Keyer. Part of vision chain, normally on vision mixer, where Astons, DOGs and DINGOs are inserted
    DST - DSat - Digital Satellite Television
    DTL
    - Down The Line (2-way) An interview with a contributor at an Outside Source
    DTH - Direct To Home - satellite broadcasts intened for home viewing
    DTT
    - Digital Terrestrial Television. "ITV Digital" in the UK (weblink)
    DTV
    - Digital Television
    DVC
    - Tape format (Digital Video Cassette)
    DVB - Digital Video Broadcasting
    DVR
    - Digital Video Recorder
     

  • E
    ENG - Electronic News Gathering; Same as FRV
    ENPS - Electronic News Production System - the News computer system developed jointly by BBC and AP
    EPG - Electronic Program Guide
     

  • F
    FEEDS
    - Pictures sent by circuits from News Organisations
    FRV - Fast Response Vehicle; Vehicle equipped to record and transmit from any location
    FTA - Free To Air - television channel broadcasting that is viewable to any person with suitable equipment
    FTV - Free To View - a channel broadcasting with encryption, but without any fee payable to view it
    FX
    - Audio effects
     

  • G
    GFX - Graphics
    GLITS - Grahams Line Identifier Test Signal. Standard test used to check stereo audio chain. Left and Right legs at -3db. When combined into mono equal 0db (PPM 4)
    GMG -
    Granada Media Group.
    GSB - Granada Sky Broadcasting - provider of Granada branded channels; Granada Plus, Granada Breeze and Granada Men & Motors. Ownership consists of 51% GMG and 49% BSkyB

  • H
    HAL
    - Graphics moving image processor produced by Quantel
    HD - High Definition
    HDTV - High Definition Television
     

  • I
    IBA
    - The Independent Broadcasting Authority, created in 1973 to take in regulation of independent radio as well as television
    Ident -
    An identification symbol (ident or symbol) is the name given to that which identifies a channel, traditionally the bit shown before a programme starts.

    INSET
    - Background graphic alongside presenter
    iDSTV - Integrated Digital Satellite Television - similar to an iDTV, but with a built-in digital satellite tuner
    iDTV
    - Integrated Digital Television - television set capable of receiving digital terrestrial services, without the need for any additional equipment, such as a STB
    ITA - The Independent Television Authority - forerunner to the IBA
    ITC
    - Independant Television Commission - regulator of UK-based television channels, UK cable and the UK's DTT platform
    iTV
    - interactive Television
    ITV - Independent Television, broadcast on Channel 3 and is made up of 15 regional contractors.
     

  • L
    Lambie-Nairn
    - Design company. They have produced the current BBC logo as well as idents for BBC One, BBC Two and the original C4 'Bricks' ident amongst others. 
    (weblink)
    Letterbox
    - Often happens when a 16:9 image shown on a 4:3 tv set
    Live Link
    - An outside source to be available live on air
    LNB - Low Noise Block - box on the end of a satellite dish's arm used in the process of satellite reception
    LWT - London Weekend Television - franchise holder of weekend ITV programming for the London area.

  • N
    NAGRA - small audio recorder
    NBC - The National Broadcasting Company of America, the first broadcaster to air in the United States
    NON-LINEAR - Digital information allowing easy re-ordering of material usually video and audio
     

  • M
    Mediahighway - Operating system used by digital terrestrial STBs and iDTVs
    MPEG - Moving Pictures Expert Group
     

  • O
    OB
    - Outside Broadcast
    OMNIBUS - Digital system for picture processing. Columbus being a sub-system
    OOV - Out Of Vision - Presenter voice is heard underneath still or moving pictures
    OpenTV - Operating system used by Sky digital satellite boxes
    OS
    - Outside Source; incoming live event
    OSD - On Screen Display
    OSG - On-screen graphic (usually a menu of some sort)


     

  • P
    PasB
    - Programme as Broadcast. Recording of live transmitted programme. Usually recorded clean without Astons.
    PHONO - Telephone interview
    PHONO COMP - Composite graphic showing contributor and location
    PIDLE - Programme Interruption Device Live Event. Visual device to come out of a current transmitted programme and go to a News Event
    Piece to camera - (PTC) Reporter in vision during a report; a "stand-upper"
    Pillarbox - Often happens when a 4:3 image shown on a 16:9 set
    PIX
    - Pictures
    PPM - Peak Programme Meter. Audio level indicator used by Sound Engineers. PPM 6 being the maximum allowed for audio distribution
    PPV - Pay Per View - programme, event or film purchasable on a 'one-off' basis
    PRES
    - Presenter or Presentation
    PROFILE - Omnibus Hard Disk video recorder/player
    Promo - Pictures (and FX) to trail ahead to a feature
    PVR - Personal Video Recorder - device with in-built EPG and hard disc drive used for digitally recording programmes.


     

  • Q
    Q&A - Question and Answer; a 2-way; a DTL
     

  • R
    RANT
    - Reporter piece to camera lasting approx one minute
    RC - Remote Control
    RTE
    - Radio Telef�s �ireann, the national broadcaster for the Republic of Ireland
    RUSHES - Raw material straight out of the camera; unedited pictures
    RVTB - Reverse Talkback. Same as SWTB but in reverse - others speak to Director
     

  • S
    SATVAN
    - Vehicle equipped to transmit to Satellite for the purposes of News Gathering
    SD - Standard Definition
    SDN - S4C Digital Networks - Operator of digital terrestrial multiplex A
    SES Astra - Society of European Satellites - Astra. Luxembourg based satellite operator.
    SHF -
    Super High Frequency - band of frequencies used for Satellite reception
    SIS -
    Satellite Information Service - a group of channels intended for non-DTH use. Used mainly by betting shops to display latest betting odds, results etc
    SMG
    - Scottish Media Group. (see "ITV") (weblink)
    SNG
    - Satellite News Gathering. Same as ENG but transmitting to a satellite
    SOF
    - Sound on Film (very old terminology)
    SOT - Sound on tape (old terminology)
    SOVT - Sound on video tape (old terminology)
    Sting - Any short piece of audio or video which accompanies an event, eg news headlines whose intention is to grab your attention.
    STB
    - Set Top Box
    STU - Set Top Unit
    SWTB
    - Switched Talkback. Same as Talkback but activated by a switch
    SYNC - A clip from an interview; Also an engineering term which identifies the start of a video signal
     

  • T
    TALKBACK
    - TB. Audio Communications tool for various locations to talk to one another to co-ordinate events. Primarily used by Director to Presenter and all ancillary staff. Always switched on so everything the Director says is heard at all times
    TARIF - Technical Apparatus for the Rectification of Inferior Film. Adjusts the colour, hue, blacks and gain of film for suitable transmission on TV
    T-Mail - E-Mail via Television Set
    TRACK - Correspondents voice piece
    TRUCK - Vehicle pictures are recorded or transmitted from
    TX - Transmission; Instruction to transmit something for Directors
    TX OOV - Instruction to transmit pictures narrated live out of vision
     

  • U
    UHF - Ultra High Frequency - band of frequencies used for both analogue and digital terrestrial television
    UNDERLAY - OOV
    UPSOVT - A clip of audio during a VT OOV (also known as UPSOT, UPSOF)
    UPSUM - Summary (of breaking news) for Presenter to use to recap
     

  • V
    VHF - Very High Frequency - band of frequencies once used in the UK for black and white television, now used for FM and digital radio.
    VITC
    - Vertical Interval Time Code. Used by VT machines to identify specific frames. Appears as moving white blocks in the top 28 lines of a TV signal
    VITS - Virtical Interval Time Signal. The top 28 lines of a TV signal used by Teletext. Also contains test signals
    VT
    - Video tape
    VT OOV - old terminology of TX OOV
     

  • W
    Widescreen - Images displayed in a 16:9 format
     

  • Z
    Zero Level - Level for test signals. PPM 4 or 0db
     

  • Num
    1+1
    - A studio interview involving a presenter and 1 other
    1+2 - A studio interview involving a presenter and 2 others
    2-way - DTL; An interview with a guest at another location

 


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