Acronyms

Acronyms

In the digital media field there are just too many acronyms. This page says what at least some of them mean. An acronym link will take you to the first place an acronym has been introduced.


1D One-dimensional
2D Two-dimensional
3D Three-dimensional
3DG 3D Graphics
3DV 3D Video
3G Third Generation (mobile)
3GPP Third Generation Partnership Program
8VSB 8 Vestigial Side Band
AAC Advanced Audio Coding
AAL ATM Adaptation Layer
ACATS Advisory Committee on Advanced Television Services
ACL Agent Communication Language
ACM Association of Computing Machinery
ACTS Advanced Communication Technologies and Services
A/D Analogue-to-Digital
ADAPT Analogue Digital Analogue Parallel Transfer
AES Audio Engineering Society
AFX Animation Framework eXtension
AHG Ad Hoc Group
AHRA Audio Home Recording Act
ADSL Asymmetric Digital Subscriber Line
aka also known as
AMS Agent Management System
AOE Applications and Operational Environments
AP Agent Platform
API Application Programming Interfaces
ARPA Advanced Research Projects Agency
ASCII American Standard Code for Information Interchange
ASP Advanced Simple Profile
ATL Accredited Testing Laboratories
ATM Asynchronous Transfer Mode
ATSC Advanced Television Systems Committee
ATV Advanced Television
AU Access Unit
AV Audio-Visual
AVC Advanced Video Coding
BAP Body Animation Parametre
BBS Bulletin Board Systems
BC Backward Compatible
BDP Body Definition Parametre
BE Bandwidth Extension
BIFS Binary Format for MPEG-4 Scenes
BiM Binary format for MPEG-7 data
BoD Board of Directors
CA Conditional Access
CATV Community Antenna Television
CC Compact Cassette
CCIF Comité Consultatif International Téléfonique
CCIT Comité Consultatif International Télégraphique
CCITT Comité Consultatif International Téléphonique et Télégraphique
CCIR Comité Consultatif International pour les Radiocommunications
CCO Convergence Core Ontology
CD Committee Draft
CD Compact Disc
CD-i Compact Disc Interactive
CD-ROM CD-Read Only Memory
CDMA Code Division Multiple Access
CDN Content Distribution Network
CE Consumer Electronics
CE Core Experiment
CEC Commission of the European Communities
CELP Code Excited Linear Predictive
CEN Comité Européen de Normalisation
CEPT Conférence Européenne des Postes et Télécommunications
CfE Call for Evidence
CfP Call for Proposals
CG Computer Graphics
CGA Colour Graphic Adaptor
CI Common Interface
CIF Common Intermediate Format
CISAC Confédération Internationale des Sociétés des Auteurs et des Compositeurs
CMTT Commission Mixte pour les Transmission Télévisuelles et Sonores
CLI Command Line Interface
CM Commercial Module
COFDM Coded Orthogonal Frequency Division Multiplexing
COM Component Object Model
COMIS Coding of Moving Images for Storage
CORBA Common Object Request Broker Architecture
COST Collaboration Scientifique et Technique
CP Content Provider
CPS Constrained Parameter Set
CPU Central Processing Unit
CPS Content Provider System
CP/M Control Program for Microcomputers
CR Conditional Replenishment
CRT Cathode Ray Tube
CS Coding Scheme
CS Computer Science
CSS Cascading Style Sheet Language
CSS Content Scrambling System
CW Control Word
D Descriptor
DAB Digital Audio Broadcasting
DAI DMIF Application Interface
DAPA Digital Audio and Picture Architecture
DARPA Defense Advanced Research Projects Agency
DASH Dynamic Adaptive Streaming over HTTP
DAT Digital Audio Tape
DAVIC Digital Audio-Visual Council
DB Decoding Buffers
DC Digital Communication
DCC Digital Compact Cassette
DCOM Distributed Component Object Model
DCT Discrete Cosine Transform
DDL Description Definition Language
DF Directory Facilitator
DI Digital Item
DIA Digital Item Adaptation
DID Digital Item Declaration
DIDL Digital Item Declaration Language
DII Digital Item Identification
DIM Digital Item Method
DIP Digital Item Processing
DIPS Digital Image Processing System
DK Disk Key
DM Digital Media
DMM Digital Media Manifesto
DMP Digital Media Project
DMT Digital Media Technologies
DMCA Digital Millennium Copyright Act
DMIF Delivery Multimedia Integration Framework
DMP Digital Media Project
DMR Digital Media Revolution
DNS Domain Name System
DoD Department of Defense 
DPCM Differential Pulse Code Modulation
DPI Dot Per Inch
DRM Digital Rights Management
DS Description Scheme
DSM Digital Storage Media
DSM-CC Digital Storage Media Command and Control
DSP Digital Signal Processor
DT Description Tools
DT Digital Technologies
DTD Document Type Definition
DTS Decoding Time Stamp
DVB Digital Video Broadcasting
DVD Digital Versatile Disc
DVS Digital Video Recorder
D/A Digital to Analogue
E2E End-to-End
EBU European Broadcasting Union
EC Executive Committee
ECM Entitlement Control Messages 
ECMA European Computer Manufacturers Association
EG Expert Group
EGA Enhanced Graphic Adaptor
EMM Entitlement Management Messages
EN European Norm
EPG Electronic Program Guide
ER Event Reporting
ES Elementary Stream
ESI Elementary Stream Interface
ESPRIT European Strategic Program of Research and development in Information Technology
ETSI European Telecommunication Standards Institute
EURASIP European Signal Processing Association
FAB Face and Body Animation
FAP Face Animation Parametre
FCC Federal Communication Commission
FCD Final Committee Draft
FDIS Final Draft International Standard
FDP Facial Definition Parametre
FDM Frequency Division Multiplexing
FGS Fine Granularity Scalability
FIFO First In First Out
FIPA Foundation for Intelligent Physical Agents
FPA Frame Packing Arrangement
FM Frequency Modulation
FPS Fast Packet Switching
FR Functional Requirements
FTP File Transfer Protocol
FTTC Fiber to the Curb 
GA General Assembly
GIF Graphics Interchange Format
GNU Gnu’s Not Unix
GOB Group of Block
GOP Group of Pictures
GPL General Public License
GPRS General Packet Radio Services
GPU General Postal Union
GSM Global System for Mobile/Groupe Spécial Mobile
GUI Graphical User Interface
HDLC High-level Data Link Control
HD-MAC High Definition MAC
HDTV High Definition Television
HEVC High Efficiency Video Coding
HFC Hibrid Fiber Coax
HoD Head of Delegation
HTML HyperText Markup Language
HTTP HyperText Transport Protocol
HVXC Harmonic Vector eXcitation Coding
IAB Internet Activities Board
IAB Internet Architecture Board
IC Integrated Circuit
ICANN Internet Corporation for Assigned Names and Numbers
ICASSP International Conference on Acoustics, Speech and Signal Processing 
ICCB Internet Configuration Control Board
ICIP International Conference on Image Processing
ICN Information Centric Networking
ICT Information and Communication Technologies
IDL Interface Description Language
IEC International Electrotechnical Commission 
IESG Internet Engineering Steering Group
IETF Internet Engineering Task Force
IMS-1 Interactive Multimedia Services at 1 Mbit/s
IMP Interface Message Processor
IP Internet Protocol
IP Intellectual Property
IPI Intellectual Property Identification
IPMP Intellectual Property Management and Protection
IPMP-D IPMP-Descriptors
IPMP-ES IPMP-Elementary Streams
IPMP-H IPMP Hooks
IPMP-S IPMP-Systems
IPMP-X IPMP eXtensions
IPR Intellectual Property Rights
IS International Standard
ISAN International Standard Audiovisual Number
ISBN International Standard Book Numbering
ISDB Integrated Services Digital Broadcasting
ISDN Integrated Service Digital Network
ISG Implementation Studies Group
ISMA Internet Streaming Media Association
ISO International Organisation for Standardisation
ISP Internet Service Providers
ISRC International Standard Recording Code
ISSN International Standard Serial Number
ISWC International Standard Musical Work Code
IT Information Technology
ITA Industry Technical Agreement
ITSCJ Information Technology Standards Committee of Japan
ITTF Information Technology Task Force
ITU International Telecommunication Union
ITU-R International Telecommunication Union – Radiocommunication Sector
ITU-T International Telecommunication Union – Telecommunication Sector
IVICO Integrated Video Codec
I/O Input/Output
JADE Java Agent Development Environment
JAXB Java Architecture for XML Binding
JBIG Joint BIlevel Experts Group
JCP Java Community Process
JPEG Joint ISO-CCITT Photographic Coding Experts Group
JSPA Java Specification Agreement
JSR Java Specification Request
JTC 1 Joint ISO/IEC Technical Committee 1
JVT Joint Video Team
LAN Local Area Network
LC Low Complexity
LCM Licensing Compliant Module
LD Laser Disc
LGPL Lesser General Public License
LOD Level Of Detail
LP Long Playing
LSB Least Significant Bit
LSI Large Scale Integration  
M3W Multimedia Middleware
M4IF MPEG-4 Industry Forum
MAC Multiplexed Analogue Components
MC Management Committee
MC Motion Compensation
MCU MultiConference Unit
MDS Multimedia Description Schemes
MHEG Multimedia and Hypermedia Experts Group
MHP Multimedia Home Platform
MIDI Musical Instrument Digital Interface
MIME Multipurpose Internet Mail Extensions
MIPS Million Instructions Per Second
ML Main Level
HMI Human-Machine Interaction
MMS Multimedia Message Service
MMT MPEG Media Transport
MOD Media Object Decoder
MP Main Profile
MP3 MPEG-1 Audio Layer III
MP7A MPEG-7 Alliance
MPEG Moving Picture Experts Group
MPT Ministry of Post and Telecommunication
MSB Most Significant Bit
MS-DOS Microsoft Disk Operating System
MSI Medium Scale Integration  
MTS Message Transport System
MTU Magnetic Tape Unit
MUSE Multiple Sub-Nyquist Encoding
MUW Multi User World
MW Medium Wave
MXF Material eXchange Format
MXM MPEG eXtensible Middleware
NAB National Association of Broadcasters
NASA National Aeronautics and Space Administration
NB National Body
NBC Non-Backward Compatible
NI Notification Information
NCP Network Control Protocol
NP New Project
NSF National Science Foundation
NT New Technology
NTSC National Television System Committee
ODA Open Document Architecture
OEM Original Equipment Manufacturer
OMG Object Management Group
OPIMA Open Platform Initiative for Multimedia Access
ORB Object Request Broker
OS Operating System
OSS Open Source Software
OSF Open Software Foundation
OSI Open Software Initiative
OSI Open System Interconnection
OSS Open Source Software
OTA Over The Air
OVM OPIMA Virtual Machine
P2P Peer-to-Peer
PA Public Authority
PAL Phase Alternating Lines
PAS Publicly Available Specifications
PC Personal Computers
PCB Printed Circuit Board
PCM Pulse Code Modulation
PCS Picture Coding Symposium
PD Portable Device
PDA Personal Digital Assistant
PES Packetised Elementary Streams
PIN Personal Identification Number
PI Publication Information
PK Player Key
PN Pseudo random Noise
PNG Portable Network Graphics
PPD Proposal Package Description
PS Program Stream
PTS Presentation Time Stamps
PTT Post, Telephone and Telegraph
QAM Quadrature Amplitude Modulation
QoS Quality of Service
QPSK Quadrature Phase Shift Keying
RA Registration Authority
RACE Research & development on Advanced Communication for Europe
RAM Random Access Memory
RAND Reasonable terms And Non Discriminatory conditions
RDD Rights Data Dictionary
REL Rights Expression Language
RFC Request for Comments
RGB Red Green and Blue
RI Resource Information
RM Reference Model
RMI Remote Method Invocation
ROI Return on Investments
RTI Real-Time Interface
RTP Real Time Protocol
SA Structured Audio
SAC Secure Authenticated Channel
SAPI SOMMIT API
SB Steering Board
SBC Subband Coding
SC Subcommittee
SC  Steering Committee
SCC Screen Content Coding
SCART Syndicat des Constructeurs d’Appareils Radio et Télévision
SCMS Serial Copy Management System
SCR Systems Clock Reference
SDM System Decoder Model
SDMI Secure Digital Music Initiative
SDO Standards Developing Organisations
SDTV Standard Definition Television
SEI Supplemental Enhancement Information
SECAM Séquentiel à Mémoire
SG Study Group
SGML Standard Generalised Markup Language
SI Service Information
SI Subscription Information
SIF Source Input Format
SIGGRAPH Special Interest Group on Computer Graphics
SIM Subscriber Identification Module
SK Service Key
SLPI Software Library Portability Interface
SM Simulation Model 
SMIL Synchronized Multimedia Integration Language
SMS Short Message Service
SNHC Synthetic and Natural Hybrid Coding
SNR Signal-to-Noise Ratio
SOMMIT Software Open Multi-Media Interactive Terminal
SMPTE Society of Motion Pictures and Television Engineers
SP Service Provider
SP Signal Processing
SP Simple Profile
SPAC Strategic Planning Advisory Committee
SPS Service Provider System
SRM Session and Resource Manager
SSR Scaleable Sampling Rate
SSS Shared-Source Software
STB Set Top Box
STC Systems Time Clock
SUS Service User System
STD Systems Target Decoder
SVC Scalable Video Coding
SVG Simple Vector Graphics
SW Short Wave
MW Medium  Wave
TC Technical Committee
TCK Technology Compatibility Kit
TCP Transmission-Control Protocol
TDM Time Division Multiplexing
TDMA Time Division Multiple Access
TINA Telecommunication Information Networking Architecture
TK Title Key
TLD Top Level Domain
TM Technical Module
TM Test Model
TPM Technological Protection Measure
TR Technical Report
TS Time Slot
TS Transport Stream 
TTS Text-To-Speech
TTSI TTS Interface
TVA TV Anytime Forum
UDP User Datagram Protocol
UHF Ultra High Frequency
UK User Key
UPU Universal Postal Union
URI Uniform Resource Identifiers
URL Universal Resource Location
VADIS Video Audio Digital Interactive System
VBV Video Buffering Verifier
VCD Video CD
VCEG Video Coding Experts Group
VCR Video Cassette Recorder
VGA Video Graphic Adaptor
VHF Very High Frequency
VHS Vertical Helix Scan
VLC Variable Length Coding
VLSI Very Large Scale Integration
VM Verification Model
VM Virtual Machine
VO Video Object
VOP Video Object Plane
VOD Video on Demand
VRML Virtual Reality Modeling Language
VSB Vestigial Side Band
W3C World Wide Web Consortium
W-CDMA Wideband-CDMA
WD Working Draft
WG Working Group
WIPO World Intellectual Property Organisation
WWW World Wide Web 
WYSIWYG What You See Is What You Get
VT Verification Tests
XM eXperimentation Model
XML eXtensible Markup Language
XMT eXtensible MPEG-4 Textual format
XSL eXtensible Style Language
YM sYstem Model
YMCK Yellow, Magenta, Cyan and blacK