Dictionary of TV words

On this page the meaning of TV words starting with the letter 'A' are explained and they are in alphabetical order

Short form words or Abbreviations used in TV

The word Abbreviation in TV terms means using Capital letters to shorten a Company's name by using the first letter of each the words in a name, for example 'HDTV' to instead of 'High Definition TeleVision'. Other words used instead of Abbreviation could be 'acronym' or 'shorthand'. Some of the most common abbreviations used with regard to TV are: DVD, LCD, HDTV, LED, LCD, etc. The extensions of all these abbreviations are explained in our various pages.

TV channel abbreviations guide

Below is a guide to the full form of abbreviations used in TV channels and TV Broadcasting Companies in USA:

ABC: American Broadcasting Company
CBS: Columbia Broadcasting System
CNN: Cable News Network
ESPN: Entertainment Sports Programming Network
HBO: Home Box Office
MSNBC: Microsoft / NBC Cable Channel
MTV: Music Television
NBC: National Broadcasting company
NGC: National Geographic Channel
PBS: Public Broadcasting Service
TCM: Turner Classic Movies
TLC: The Learning Channel
TMC: The Movie Channel
TNT: Turner Network Television
TWC: The Weather Channel
UPN: United Paramount Network
VH1: Video Hits 1

Active shutter glasses

The glasses used to see 3D HDTV can be 'Active' or 'Passive'. In an active 3D viewing glasses, the lenses in front of each eye, shut and open many times per second, in synchronization with the picture on the TV screen.

Allshare (Samsung)

AllShare is a Samsung feature based on DLNA. AllShare wirelessly connects to compatible DLNA devices so that movies, photos and music can be viewed, listened to and shared on your smart TV.

Ambilight TVs from Philips

Ambilight Spectra 3 is a patented Philips technology which dynamically projects same color light as that on the Ambilight TV screen on to the wall behind the ambilight TV. The Ambilight TVs project the matching colored light on to 3 sides of the TV, to the top and two sides of the ambilight TVs from Philips. Ambilight automatically adjusts the colour and brightness of the light to match the picture, creating an immersive viewing experience. The wall-adaptive function ensures that the colour of the light always matches the picture, no matter what the colour your wall is. So with Ambilight you get a more immersive experience with the color on the wall matching the picture on the TV.

Also available is an optional Ambilight+hue kit that can be used to light up the entire room to match the colors on the TV screen. Extra Hue bulb are placed in strategic positions and are wirelessly linked with the Ambilight TV to give a totally surround Ambilight experience.

Anynet+ (Samsung)

Anynet technology enables you to direct all of your HDMI CEC-compatible digital devices – whatever their manufacturer – with a single remote control, for a streamlined home-entertainment experience

Aspect Ratio of TV Screen

How to calculate the width and height of your TV screen

This is the ratio between the width and height of the screen. In the figure on the right 'a' is the height and 'b' the width. The Aspect Ratio thus is b:a.

HD TV has an aspect ratio of 16:9, CRT TV has an aspect ratio of 4:3. The TV screen size is the diagonal measurement of the screen - 'd' in the figure on the right. Once you know the Aspect ratio and the diagonal measurement or the TV size, you can calculate the width and height of the TV screen by using the Pythagoras Theorem as shown in the picture. This can help in knowing before hand the approximate size required on your TV stand or on the wall.

When widescreen video images are squeezed to fit a narrower aspect ratio. For example in countries where they do not have transmission of Television signals in the 16;9 aspect ratio, they compress 16:9 pictures into 4:3 aspect and transmit it. People and objects looks thinner if viewed in the 4:3 view but when expanded into 16:9 ratio they look normal.


Advanced Television Standards Committee, which establishes the technical standards for the U.S. digital television system.

Audio Return Channel

This is an Audio Out feature of the TV which is available through HDMI 1.4 connections. With this feature an HDMI cable connecting the TV and the amplifier does not require additional Audio Out cables like Optical or digital coaxial cables for sound.

Audio/video inputs and cables

These are connections at the back or side of the TV to input the outgoing sound signals from a Cable STB (SetTop Box) or from your DVD player. Special types of cables are required, like HDMI cables, to connect TVs to Cable Set-top-Boxes, audios sources, etc. and all these are explained in the various pages on this website

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