With every new technology a number of terms and slang words develop to assist in the rapid communication of ideas between the users of the technology.

Below is a glossary of terms used in broadcasting. Broadcasting is the distribution of audio and/or video signals which transmit programs to an audience. ...

Contents: Top - 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

ABC

In the US, American Broadcasting Company, a television and radio network originally created out of NBC. In Australia, the Australian Broadcasting Corporation. In the UK, ABC Weekend TV, a former ITV broadcaster.

A/D

Analog-to-digital conversion.

Absolute Event

A scheduled event whose start time is determined with an assigned time based upon the facility master clock.

Access Time

The total time required to find, retrieve and commence using information, also known as Lead Time.

Actives

Listeners who contact the radio show regarding requests, contests or other interaction.

ADC - Analog to Digital Converter

A device to convert analog signals to digital.

Aircheck

The recorded copy of a broadcast. This can be a digital or analog recording.

Analog Recording

Recording of audio using an electronic signal that varies continuously. The main drawback of analog recording is the introduction of inherent noise to the recorded signal.

Analog Transmission

The broadcasting of a signal using an analog recording. Examples of use include radio.

Arbitron

The company that provides the Industry accepted standard for audience measurement.

Archive

An archive is a term for storage a can refer to the following:

* Storage of master material under controlled conditions

* Long term storage of material on an offline storage medium.

* Archive Copy is a master copy intended solely for storage and not to be used in distribution.

Artifacts

Noticeable loss of video and/or audio fidelity in a broadcast or recording caused by limitations in the technology used. Usually reflects undesirable distortion(s) of the original when digitized.

Aspect ratio

The ratio between the width and the height of the picture. In 'traditional' television sets, this is 4:3; in widescreen sets, 16:9. Sometimes printed decimally as 1.33:1 for 4:3 and 1.78:1 for 16:9.

Aston

An on-screen overlayed graphic, usually giving the name of the speaker or reporter in vision.

ATR - Audio Tape Recorder

A method of recording sound by electromagnetic pulses on a sensitised plastic strip.

ATSC - Advanced Television Systems Committee

A committee established by the FCC to decide the technical standards for digital broadcasting in the US.

Average Quarter Hour

The term used in audience measurement by Arbitron. It is defined as the number of persons listening to a particular station for at least five minutes during a quarter hour. Typical audience measurements may be in the order of ten thousand for the larger shows. (eg Jerry Springer scored 1,600 in the 12+ age group in the spring 2005 figures. Rush Limbaugh scored 16,400 in the same report)

The American Broadcasting Company (ABC) operates television and radio networks in the United States and is also shown on basic cable in Canada. ... The Australian Broadcasting Corporation or ABC is Australias national non-profit public broadcaster. ... Associated British Corporation (otherwise known as ABC Television or ABC Weekend TV) was one of a number of commercial television companies set up in the 1950s by cinema chains in an attempt to safeguard their business by getting involved in television which was taking away their cinema audiences. ... Independent Television (generally known as ITV, but also as ITV Network) is a public service network of British commercial television broadcasters, set up under the Independent Television Authority (ITA) to provide competition to the BBC. ITV is the oldest commercial television network in the UK. Since 1990 and the Broadcasting... An analog or analogue signal is any time continuous signal where some time varying feature of the signal is a representation of some other time varying quantity. ... For other uses, see Digital (disambiguation). ... In the radio industry, an aircheck is generally a demonstration recording, often intended to show off the talent of an announcer or radio programmer to a prospective future employer. ... Broadcasting is the distribution of audio and/or video signals which transmit programs to an audience. ... Arbitron is a radio audience research company in the United States. ... Archive of the AMVC An archive refers to a collection of historical records, and also refers to the location in which these records are kept. ... A master recording is an original recording, from which copies may be made. ... In telecommunication, the term off-line has the following meanings: 1. ... In natural science and signal processing, an artifact is any perceived distortion or other data error caused by the instrument of observation. ... The aspect ratio of an image is its displayed width divided by its height (usually expressed as x:y or x×y, with the joining colon or multiplication symbol articulated as the preposition by or sometimes to). Currently, the most popular standard ratios are the anamorphic (2. ... Compact audio cassette Magnetic tape is a non-volatile storage medium consisting of a magnetic coating on a thin plastic strip. ... The Advanced Television Systems Committee (ATSC) is the group that helped to develop the new digital television standard for the United States, also adopted by Canada, Mexico and South Korea and being considered by other countries. ... Arbitron is a radio audience research company in the United States. ...

B

Backsell

The technique where the DJ announces the song title and/or artist of the song that has just played. Also known as "back announcing".

Backtiming

Where the DJ calculates the intro time on the song in an attempt to talk over the intro of the song and finish just prior to the vocals commencing.

Bandwidth

The available space between two given points on the electromagnetic spectrum and, inter alia, the amount of information that can be squeezed into that space.

BBC - British Broadcasting Corporation

The main public service broadcaster in the United Kingdom, founded as the British Broadcasting Company in 1922.

Bed

A production element, usually instrumental music or sound effect played in the background of a spoken commercial, promo or other announcement.

Bel

A measure of voltage, current or power gain. One Bel is defined as a tenfold increase in power. If an amplifier increases a signal's power by a factor of 10, its power gain is 1 Bel or 10 decibels (dB). If power is increased by 100 times, the power gain is 2 Bels or 20 decibels. 3dB is considered doubling.

Bias

A constant amplitude high frequency signal added to the recording signal to improve the signal to noise ratio and reduce the distortion of an analog tape recording.

Billboard

A short announcement to identify a sponsor at the beginning or end of a production element such as the news or traffic/weather reports.

Book

A slang term for the Arbitron rating period.

Breakbumper

An animation or logotype briefly shown after the end of a programme or part of a programme before the advertising. See also "optical".

Bug

Slang term for a DOG (Digitally Originated Graphic) permanent on screen logo.

Bumper or Bumper Music

A pre-recorded production element containing voice over music that acts as a transition to or from a stop set and other content.

-1... For other uses, see BBC (disambiguation). ... International safety symbol Caution, risk of electric shock (ISO 3864), colloquially known as high voltage symbol. ... Electric current is the flow (movement) of electric charge. ... For delivered electrical power, see Electrical power industry. ... For other uses, see Decibel (disambiguation). ... The phrase signal-to-noise ratio, often abbreviated SNR or S/N, is an engineering term for the ratio between the magnitude of a signal (meaningful information) and the magnitude of background noise. ... For other uses, see Distortion (disambiguation). ...

C

Call Letters

The official name of the radio station in the USA. Also known as a station's callsign.

Cans

Slang for headphones.

CBS

Columbia Broadcasting System, an American television and radio network.

CCIR - Comité consultatif international pour la radio

In English, "International Radio Consultative Committee", the organisation responsible for assigning frequencies to radio stations between 1927 and 1992. Now known as ITU-R.

Closed Captioning

Text version of a programme's dialogue, overlayed on the screen by an equipped television set for the hearing impaired.

Clutter

An excessive number of non-programme elements (such as commercials) appearing one after another.

Copy

The written material used in producing a PSA, promo, or commercial that is meant to be read out by the DJ or presenter.

Crash

When an announcement, jingle or graphic overlaps with a fixed point in the schedule (eg the news or a time signal), usually due to poor timing.

Crossfade

The technique where a DJ, producer or engineer fades out the out going track at the same time as fading in the new track.

Coverage

percentage of households that can tune into a radio station within the theoretical broadcast radius.

Cueing

Whilst the previous record was playing the DJ would attempt to find the beginning of the song on the next record. The DJ would place the needle down in approximately the right area then move the record back and forth Cueing on the turntable until the beginning of the song was found. When the previous song completed playing the DJ would introduce the next song and turn the record deck on and the record would quickly whirl up to speed with a characteristic distortion. This was later minimised by the use of a slip mat.

Cue Burn

Cue burn relates to the days of vinyl records (33rpm , 45rpm). Whilst the previous record was playing the DJ would attempt to find the beginning of the song on the next record. The DJ would place the needle down in approximately the right area then move the record back and forth Cueing on the turntable until the beginning of the song was found. This cueing back and forth would rub the vinyl and damage the records creating a characteristic noise.

Cue dot

A small square inserted in the corner of the picture to inform rebroadcasters that an advertisement break is about to happen. In the UK, this appeared exactly one minute before the break and disappeared 55 seconds later.

Cume

Short for cumulative audience. A similar term of measurement to a newspaper or magazines' circulation figures.

In broadcasting and radio communication, a callsign or call sign (also call letters) is a unique designation for a transmitting station. ... For other uses, see Headphones (disambiguation). ... CBSs first color logo, which debuted in the fall of 1965. ... The ITU Radiocommunication Sector (ITU-R) is a standards body subcommittee of the International Telecommunication Union (ITU) relating to radio communication. ... A commonly-used symbol indicating that a program or movie is closed-captioned. ... In radio communications, fade describes the loss of signal strength at the receiver. ...

D

DAB - Digital Audio Broadcasting

The use of digital encoding to send higher quality or a greater number of radio services to equipped receivers.

DAC - Digital to Analog Converter

Equipment that changes digital signals into pictures or sound.

Daypart

The radio station's broadcast day is normally split up (starting at 6am) into a series of 4 hour sessions containing one or more shows.

DB or Decibel

One tenth of a bel. See also Bel.

DBS - Direct Broadcasting (by) Satellite

Television and radio programmes distributed by satellite for reception via a dish at the receiver's property.

Dead air

The time on-air where there is no audible transmission. This silence can be down to any of the following:

* DJ, Producer or Engineer error

* Equipment error or failure

* Act of God

* Deliberate silence for remembrance.

DJ - Disc Jockey

A radio presenter who links records.

DOG - Digitally Originated Graphic

A station logo or slogan permanently displayed on screen during a programme. Controversial due to "screenburn" issues.

Dolby Digital

Also Dolby D. The standard for 5.1 channel (surround sound) audio. Six discrete channels are used (Left, Center, Right, Left Rear Surround, Right Rear Surround, and Subwoofer).

Double pumping

Putting out two episodes of a show back-to-back, either to boost ratings in a given slot or to burn off episodes of a cancelled show.

Drive time

Drive time refers to the period of time where the majority of radio listeners travel to work. This is traditionally 6-10am and 2-6pm and is normally accompanied by the stations highest listenership. Commercials are normally more expensive during such times.

Drops

These are excerpts of TV, movies and other audio programmes that are used to accentuate programming.

Drop Song

Temporary unselecting a playlist song to better accommodate an accurate clock hour.

DTH - Direct To Home

Television and radio programmes distributed by satellite for reception via a dish at the receiver's property.

DVB - Digital Video Broadcasting

The MPEG-2 based standard of digital transmission and reception. Comes in variants according to the type of broadcast, eg DVB-T for terrestrial.

Digital Audio Broadcasting (DAB), also known as Eureka 147, is a technology for broadcasting of audio using digital radio transmission. ... For other uses, see Decibel (disambiguation). ... U.S. military MILSTAR communications satellite A communications satellite (sometimes abbreviated to comsat) is an artificial satellite stationed in space for the purposes of telecommunications. ... Sky Digital mini-dish Astros mini-dish. Special dish for up to 16 satellite positions (Ku-band) Satellite dish antenna for C-Band Satellite Dishes installed on an apartment complex A satellite dish is a type of parabolic antenna designed with the specific purpose of transmitting signals to and... Dead air is a phenomenon whereby a broadcast which normally carries audio or video unintentionally becomes silent or blank (also known as unmodulated carrier). ... Act of God is a common legal term for events outside of human control, such as sudden floods or other natural disasters, for which no one can be held responsible. ... Silence is a relative or total lack of sound. ... For other meanings of DJ, see DJ (disambiguation). ... Dolby Digital is the marketing name for a series of lossy audio compression technologies by Dolby Laboratories. ... Connes nippian recapers sang terning faizing relist revisi. ... Official DVB logo, found on compliant devices DVB, short for Digital Video Broadcasting, is a suite of internationally accepted open standards for digital television. ... DVB-T stands for Digital Video Broadcasting - Terrestrial and it is the DVB European consortium standard for the broadcast transmission of digital terrestrial television. ...

E

Encryption

The scrambling of a signal to allow reception via a decoder only be specific viewers, eg after the payment of a fee.

“Encrypt” redirects here. ...

F

Feedback

The noise produced when the amplified sound from an output (eg loudspeaker) is picked up by the input (eg microphone) feeding that speaker.

FCC - Federal Communications Commission

The regulator of broadcasting in the United States.

Format Clock

A format clock is a diagram produced by a programme director or a producer to illustrate where each programming element appears in a typical hour.

FPS - Frames per second

The number of times the television is refreshed in a second of time. As a rule of thumb, this is the same as the local Alternating Current electricity supply - 60 Hz or 50 Hz.

Front sell

The act of introducing a song about to be played.

Audio feedback (also known as the Larsen effect after the Danish scientist, Søren Larsen, who first discovered its principles) is a special kind of feedback which occurs when a sound loop exists between an audio input (for example, a microphone or guitar pickup) and an audio output (for example... FCC redirects here. ... Frame rate, or frame frequency, is the measurement of the frequency (rate) at which an imaging device produces unique consecutive images called frames. ...

G

Gain

Volume

GHz - Gigahertz

Thousand million cycles per second. The measurement for satellite frequencies.

H

Hammocking

Placing a new or poorly-performing programme between two established popular programmes in order to boost viewing figures.

HDTV - High Definition Television

In modern terms, broadcasting using a line standard of greater than 1000. Prior to World War II, "high definition" was used to mean a line standard greater than 240 lines.

Hit The Post

Where a DJ continues to talk right up to the point where the vocals commence.

Projection screen in a home theater, displaying a high-definition television image. ...

I

Ident

A station's symbol or logo, often accompanied by music, a jingle or an animation.

ITU - International Telecommunications Union

Originally the International Telegraph Union, the ITU is the international organization established in 1865 to standardize and regulate international radio and telecommunications.

iTV - interactive television

Systems that allow viewers to interact (eg play games, shop for related items or find further information) either two-way, via a telephone line, or one-way, via MHEG graphics.

ITV - Independent Television

The UK's first commercial television network.

A television ident visually identifies the network or station presenting a television programme. ... The International Telecommunication Union (ITU) is an international organization established to standardize and regulate international radio and telecommunications. ... Independent Television (generally known as ITV, but also as ITV Network) is a public service network of British commercial television broadcasters, set up under the Independent Television Authority (ITA) to provide competition to the BBC. ITV is the oldest commercial television network in the UK. Since 1990 and the Broadcasting...

J

Jingle

A produced programming element usually in the form of vocals to accompanying music often produced in-house to identify the show, DJ or the station.

A jingle is a memorable slogan, set to an engaging melody, mainly broadcast on radio and sometimes on television commercials. ...

K

kHz - Kilohertz

Thousand cycles per second. kHz is used to measure mediumwave and often shortwave frequencies.

L

Letterbox

The appearance of black bars at the top and bottom of a picture when 16:9 or 14:9 widescreen material is shown on 4:3 sets. See also pillar box and postage stamp.

Liner

A piece of written text that the DJ says over the intro of a song or between spots and songs. Liners are designed to invoke the imagination.

Line standard

The number of lines broadcast to make up a television picture. Generally, 525 in NTSC areas and 625 elsewhere.

Live

Any programming which is broadcast immediately as it is being delivered (a live report); performed (a live concert or show); or captured (live news or sports coverage). Requires an unbroken communications chain without any intervening recording or storage technology. Considered the most exciting form of broadcasting, delivered “as it happens”.

Live-on-tape

A pre-recorded program produced in real time, usually with a studio audience, for later broadcast. Requires precisely timed pauses for insertion of station breaks and commercials at time of broadcast. Typically employed for network broadcast across multiple time zones. Also applies to live broadcasting which is simultaneously recorded for rebroadcast at a later time or date.

Log

A written record of broadcasting. There are typically three logs:

* A Music Log recording what songs where played.

* An Engineer's Log detailing technical production settings.

* A Commercial Log recording which commercials were played during the day.

See also PASB.

A 2. ...

M

Macrovision

A trademarked system designed to prevent unauthorised copying of video material.

MHz

Million cycles per second. The bandwidth area for FM broadcasts and television.

Miscue

A mistake by the DJ or production engineer resulting in two audio elements being played at the same time, eg an interview and the next song.

Macrovision is a company that creates electronic copy prevention schemes, established in 1983. ...

N

NBC - National Broadcasting Company

A television network in the United States. Formerly also a radio network.

Network

A system which distributes programming to multiple stations simultaneously, or slightly delayed, for the purpose of extending total broadcast coverage beyond the limits of a single radio or television signal.

Nielsen Ratings

Survey of US viewers by the AC Nielsen Company to establish the audiences for individual programmes and their demographics.

NTSC - National Television Standards Committee

An American committiee formed to set the line standard and later color standard for broadcasting. Gave its name to the method of color reproduction used in the Americas (except Brazil) and in Japan.

The National Broadcasting Company or NBC is an American television broadcasting company based in New York Citys Rockefeller Center. ... A television network is a distribution network for television content whereby a central operation provides programming for many television stations. ... When TV viewers or entertainment professionals in the United States mention ratings they are often referring to Nielsen Ratings, a system developed by Nielsen Media Research to determine the audience size and composition of television programming. ... NTSC is the analog television system in use in Canada, Japan, Mexico, the Philippines, South Korea, Taiwan, the United States, and some other countries, mostly in the Americas (see map). ...

O

Ofcom - Office of Communications

The regulator of broadcasting in the United Kingdom.

Optical

Generically, any on-screen graphic. Specifically, a graphic inserted between a programme and an advertisement or between individual advertisements.

OOV - Out Of Vision

A stage instruction noting that a character is not seen when speaking. Also, in continuity announcing, the practice of speaking over a caption rather than appearing on screen.

Ofcom is a regulator for communication industries in the United Kingdom. ... The examples and perspective in this article or section may not represent a worldwide view. ...

P

PASB - Programme As Broadcast

A BBC term for a (supposedly contemporaneous) log of a channel's output.

Pay-per-view

Reception of a scrambled film or sporting event after the payment of a one-off fee for that broadcast.

PIF - Public Information Film

A government-produced commercial, usually shown for free, giving safety information or advice.

Pillarbox

The appearance of blank bars on either side of the picture when 4:3 material is shown on a 16:9 widescreen television set.

Pilot

A one-off episode of a proposed series, usually in extended form, to gauge audience reaction. If successful, the rest of the series is made and the pilot becomes the first episode.

Pips

Slang term for the time signal broadcast by some radio stations at the top of the hour.

Playlist

The official songs that a radio station will play during a given week. The playlist is not usually chosen by the DJ.

Postage stamp

The appearance of a black border all around the picture, usually in error, when 4:3 material is converted to 16:9 and then back to 4:3 before broadcast.

Pot - Potentiometer

A round knob control for increasing or decreasing the volume on a channel.

Production Element

A Production Element is a piece of audio that is used in the final audio mix. This may include commercials, music, sound effects, audio effects (eg echo) station id or program signatures or announcements.

Producer

The person who performs or manages the day to day business operations of a station. Also the person responsible for an individual program - a radio producer or a television producer.

Promo

An announcement (either recorded or live) used to promote the station's image or other event.

PSA - Public Service Announcement

A commercial, usually shown for free, giving safety information or advice.

Pay-per-view is the name given to a system by which television viewers can call and order events to be seen on TV and pay for the private telecast of that event to their homes later. ... Public Information Films (known as PIFs) are a series of government commissioned short films, shown during television advertising breaks in the UK. The US equivalent is the Public Service Announcement (PSAs). ... A 4:3 image pillarboxed into a 16:9 display The pillar box effect occurs in widescreen video displays when black bars (mattes or masking) are placed on the sides of the image. ... Graph of the six pips The Greenwich Time Signal (abbreviated GTS) or BBC pips is a time code heard on some BBC radio stations at the start of the hour, most notably on Radio 4 and the World Service. ... In its most general form, a playlist is simply a list of songs. ... It has been suggested that Determining emf of primary cells using potentiometer be merged into this article or section. ... Sound effects or audio effects are artificially created or enhanced sounds, or sound processes used to emphasize artistic or other content of movies, video games, music, or other media. ... This article or section is not written in the formal tone expected of an encyclopedia article. ... A Television producer oversees the making of television penis programs. ... A public service announcement (PSA) or community service announcement (CSA) is a non-commercial advertisement typically on radio or television, ostensibly broadcast for the public good. ...

Q

Quadraphonic

Sound reproduction utilising four speakers. Now superseded by Dolby 5.1 Surround Sound.

4 channels quadraphonic label Quadraphonic sound uses four channels in which speakers are positioned at all four corners of the listening space, reproducing signals that are independent of each other. ...

R

Ramp 

An intro to a piece of music.

S

SB - Simultaneous Broadcasting

British term for the broadcast of the same programme from multiple transmitters.

Screenburn

Where a permanent mark is burnt into the mask of the TV screen due to prolonged display. Common with sets tuned to one channel for promotional purposes or on ordinary sets from DOGs inserted by broadcasters. Also known as Phosphor burn-in.

Sirius Satellite Radio

American satellite radio platform.

Slipmat

A slipmat was a mat that was placed on a record deck between the deck and the record. Normally made by the DJ, it was cut significantly oversized when compared to a vinyl record. The DJ would cue the record to the beginning of a song and then holding onto the mat would turn the turntable on whilst the record stayed at the beginning of the song. The DK could then introduce the record and then release the mat onto the already spinning deck thus reducing the spin up speed to 33 or 45 rpm. The effect was to reduce the whirl effect produced by the turning on of the turntable.

Soundbite

A small portion (usually one or two sentences) of an audio recording (often an interview) used to illustrate a news story in the words of the interviewee (c.f. a quotation from a politician).

Sponsorship

In the United States, the practice of a company funding the making of a program in order to entertain an audience and sell a product. In the UK, an advertisement inserted between the end-of-part caption and the breakbumper.

Spot

A radio or television commercial.

Spot advertising

A commercial or commercials run in the middle of or between programmes, sold separately from the programme (as opposed to sponsors' messages).

Stop set

The place where commercials are played during a typical broadcast hour. There may be several scattered throughout a typical 60 minute period. Stop set length can vary much between local stations and even network programming.

Subtitles

Text version of a programme's dialogue, overlayed on the screen either at broadcast or at reception (often via Teletext or Closed Captioning) for the hearing impared or for when a speaker is unclear or speaking in a foreign language.

Sweeps

A period, usually in February, May, July and November, where the A C Neilson Company undertakes to record the ratings of all shows in all markets with all demographics. This allows networks and local stations to spot surprise hits and unexpected failures. It is also a time when a successful network will try pilot episodes of new shows, whilst a failing network will often put existing successful programs in place of poorly performing shows to boost average ratings.

Phosphor burn-in seen at an airport terminal. ... Sirius Satellite Radio NASDAQ: SIRI is one of two satellite radio (SDARS) services operating in the United States and Canada, along with XM Satellite Radio. ... A slipmat is a circular piece of slippery cloth or synthetic materials, designed to allow disc jockeys to turn or stop vinyl records on record players, or to scratch. ... This article or section does not cite its references or sources. ... For the Wikipedia quotation templates, see Category:Quotation templates. ... The Politics series Politics Portal This box:      A politician is an individual who is a formally recognized and active member of a government, or a person who influences the way a society is governed through an understanding of political power and group dynamics. ... This article does not cite any references or sources. ... The examples and perspective in this article or section may not represent a worldwide view. ... For other uses, see Subtitle. ... A hearing impairment or hearing loss is a full or partial decrease in the ability to detect or understand sounds. ...

T

Teaser

A part of a program played before the title sequence, usually featuring a cliffhanger or prefiguring the plot of the episode to follow.

Teletext

Electronic information inserted into the unused parts of a television signal and decodable by an equipped television set.

Television

The transmission of pictures and sound by radio frequency or cable for public reception.

Transponder

A physical part of a satellite that broadcasts the signal. In colloquial use, the satellite equivalent of the "channel" a television station is broadcast on (eg "broadcasting from Transponder 2C of the satellite").

A BBC Ceefax page from January 9, 2007. ... An Ontario Highway 407 toll transponder In telecommunication, the term transponder (short-for Transmitter-responder and sometimes abbreviated to XPDR, XPNDR or TPDR) has the following meanings: An automatic device that receives, amplifies, and retransmits a signal on a different frequency (see also broadcast translator). ...

U

UHF - Ultra High Frequency

Frequencies between 300 MHz (wavelength 1 meter) and 3.0 GHz (wavelength 10 centimetres), used for television broadcasting.

This article is about the radio frequency. ...

V

VBI - Vertical Blanking Interval

The blank area out of sight at the top and bottom of a television picture that allows the raster gun to reset. The space created is often used for Teletext and other services.

VHF - Very High Frequency

Frequencies from 30 MHz (wavelength 10 m) to 300 MHz (wavelength 1 m), used for radio and television broadcasting.

VJ - Video Jockey

A term invented by MTV as the television version of a Disc Jockey.

VTR - Video Tape Recorder

A method of recording television pictures by electromagnetic pulses on a sensitised plastic strip.

The vertical blanking interval (VBI), also known as the vertical interval or VBLANK, is the time difference between the beginning of the first line of one frame or field of a raster display, and the end of the next. ... Very high frequency (VHF) is the radio frequency range from 30 MHz (wavelength 10 m) to 300 MHz (wavelength 1 m). ... A video jockey (usually abbreviated to VJ or sometimes veejay) can mean two things: One describes an announcer who introduces and plays videos on commercial music television such as MTV or VH1. ... A video tape recorder (VTR), is a tape recorder that can record video material. ...

W

WARC - World Administrative Radio Conference

The regular meetings of the CCIR (now ITU-R) to allocate radio frequency spectrum.

Wendy 

A large carpeted wedge used to display items for shooting.

The ITU Radiocommunication Sector (ITU-R) is a standards body subcommittee of the International Telecommunication Union (ITU) relating to radio communication. ... Familiar concepts associated with a frequency are colors, musical notes, radio/TV channels, and even the regular rotation of the earth. ...

X

XM Satellite Radio

An American satellite radio platform.

“XM” redirects here. ...

Y

Y

Luminance in many color models used for television broadcast, such as YIQ and YUV.

As applied to analog television signals, two different words are used, luminance and luma, meaning two different things. ... This article needs to be cleaned up to conform to a higher standard of quality. ... This article or section is in need of attention from an expert on the subject. ...

Z

Zoom

To go from a long shot to a close-up (or vice versa) with the camera. In the UK, the name given by Associated TeleVision to their idents.

This article or section does not adequately cite its references or sources. ... Station identification (sometimes called a sounder or stinger) is the practice of any type of radio or television station or network identifying itself, typically with a call sign or brand name. ...

External links

• Bitcentral Digital Broadcasting Glossary
• Evertz Glossary of Technical Film and Broadcasting Terms
• Factmonster Broadcasting Glossary
• University of Delaware Radio Glossary