A/D

Analog to Digital

ABA

Australian Broadcasting Authority

AC-3

5.1 Channel Digital Audio Compression System

ACA

Australian Communications Authority

ACATS

Advisory Committee on Advanced Television Systems (USA)

ACI

Adjacent Channel Interference

AFC

Automatic Frequency Control

AGC

Automatic Gain Control

ATSC

Advanced Television Systems Committee (USA)

ATV

Advanced Television

AWGN

Additive White Gaussian Noise

B-pictures

Bidirectionally predictive pictures (motion) compensation

BAT

Bouquet Association Table (part of SI)

BER

Bit Error Rate

BRR

Bit Reduction Rate.

BST-
OFDM

Band Segmented Transmission -
Orthogonal Frequency Division Multiplex

C/I

Carrier to Interference

C/N

Carrier to Noise

CA

Conditional Access

CAT

Conditional-Access Table (part of SI)

CCI

Co Channel Interference

CD

Compact Disk

CIF

Common Image Format

COFDM

Coded Orthogonal Frequency Division Multiplexing

CPE

Common Phase Error

CRO

Cathode Ray Oscilloscope

CW

Continuous Wave

D/A

Digital to Analog

D/U

Desired to Undesired

DAB

Digital Audio Broadcasting

dB

Decibel

DBPSK

Differential Binary Phase Shift Keying.

DBS

Direct Broadcast Satellite

DCA

Department of Communications and the Arts

DCT

Discrete Cosine Transform

DMV

Digital Media Vision (company now called NDS broadcast)

DPCM

Differential Pulse Code Modulation

DSP

Digital Signal Processor

DTB

Digital Television Broadcasting

DTT

Digital Terrestrial Television

DTTB

Digital Terrestrial Television Broadcasting

DTV

Digital Television

DVB

Digital Video Broadcasting, suffixed
S for satellite, C for cable, T for terrestrial, CS for SMATV,
TXT for fixed-format teletext and MS for MMDS.

DVC

Digital Video Cassette

DVD

Digital Video Disk

EBU

European Broadcasting Union

EDTV

Enhanced Definition Television

EIT

Event Information Table (part of SI)

ELG

European Launching Group

EPG

Electronic Programme Guide

EPROM

Erasable Programmable Read Only Memory

ETS

European Telecommunication Standard

ETSI

European Telecommunication Standards Institute

FACTS

Federation of Australian Commercial Television Stations

FCC

Federal Communications Commission

FEC

Forward Error Correction

FFT

Fast Fourier Transform

GA

Grand Alliance

GOP

Group Of Pictures (motion compensation)

GPS

Global Positioning System

HD

High Definition

HDTV

High Definition Television Broadcasting

HFC

Hybrid Fibre Coax

HP

Hewlett Packard

I-pictures

Intra pictures (motion compensation)

IBC

International Broadcasting Conference

ICI

Inter-Carrier Interference

IDCT

Inverse Discrete Cosine Transform

IEC

International Electrotechnical Commission

IF

Intermediate Frequency

IFFT

Inverse fast Fourier transform

IMD

Inter-Modulation Distortion

IR

Infra Red

IRD

Integrated Receiver Decoder

ISDB

Integrated Services Digital Broadcasting

ISO

International Standardisation Organisation

ITU

International Telecommunication Union

LDTV

Low Definition Television

LED

Light Emitting Diode

LO

Local Oscillator

LOP

Limit of Perceptibility

MAC

Multiplexed Analog Components

MATV

Master Antenna Television

MCC

Multiplex Control Computer

MMDS

Multichannel, Multipoint Distribution System,
or, multipoint microwave distribution system

MPEG

Video bit-rate reduction systems determined by
the Moving Picture Experts Group

NDS

News Data Systems (company previously called DMV)

NIT

Network Information Table (part of SI)

NTA

National Transmission Authority

OFDM

Orthogonal Frequency Division Multiplexing

P-pictures

Predictive pictures

PA

Power Amplifier

PAL

Phase Alternate Line Television System

PAT

Programme Association Table (part of SI)

PMT

Programme Map Table (part of SI)

PPV

Pay Per View

PRBS

Pseudo Random Binary Sequence

PROM

Programmable Read Only Memory

PSI

Programme Specific Information (part of SI)

PSP

Programme Service Provider

QAM

Quadrature Amplitude Modulation

QEF

Quasi Error Free

QPSK

Quadrature Phase-Shift Keying

R&S

Rhode and Schwarz

RF

Radio Frequency

RLC

Run Length Coding

RS

Reed Solomon error protection

RST

Running Status Table (part of SI)

Rx

Receiver

S/N

Signal to Noise

SCM

Subjective Comparison Method

SCPC

Single Carrier Per Channel

SDH

Synchronous Digital Hierarchy

SDT

Service Description Table (part of SI)

SFN

Single Frequency Network

SI

Service Information, or housekeeping details
added on to the video, audio and/or multi-media data stream

SIF

Simple Image Format

SMATV

Satellite Master Antenna Television

SMS

Subscriber Management System

ST

Stuffing Table (part of SI)

TDT

Time and Date Table (part of SI)

Tek

Tektronix

TOT

Time Offset Table (part of SI)

TOV

Threshold Of Visibility

TPS

Transmission Parameter Signalling

TREC

Timing Recovery

TS

Transport Stream

TSG

Test Signal Generator

TTL

Transistor Transistor Logic

Tx

Transmitter

UHF

Ultra High Frequency 300-1000 MHz

VHF

Very High Frequency 50-300 MHz

VLC

Variable Length Coding

VSB

Vestigial Side Band modulation system, prefixed by,
8 for 8 level terrestrial or 16 for 16 level cable version