AIT Application Information Table. Provides full information on the data broadcast, the required activation state of applications carried by it etc. [5]

ASI Asynchronous Serial Interface. Either fibre or coaxial cable connection with a transfer rate up to 270 Mb/s.

BAT Bouquet Association Table

DSM-CC Digital Storage Media - Command and Control. A collection of protocols developed for the delivery of multimedia services over broadcast and broadband networks. [2]

DTT Digital Terrestrial Television. Acronym for DVB-T.

DVB Digital Video Broadcasting. A set of standards that define digital broadcasting using existing satellite, cable, and terrestrial infrastructures.

DVB-C Digital Video Broadcasting, Cable

DVB-S Digital Video Broadcasting, Satellite

DVB-T Digital Video Broadcasting, Terrestrial

EIT Event Information Table. Provides information in chronological order regarding the events contained within each DVB service. [6]

EPG Electronic Program Guide. An application used in set top boxes to list current and scheduled programs that are or will be available on each channel and a short summary or commentary for each program.

FTP File Transfer Protocol. A protocol that is built on top of TCP. Contains commands for transferring files, directory listings, changing transfer modes etc.

IP Internet Protocol. A connectionless, packet-oriented, best-effort protocol that routes traffic through the Internet.

LAN Local Area Network

MHP Multimedia Home Platform. Defines a generic interface between interactive digital applications and the terminals on which those applications execute. This interface decouples different provider's applications from the specific hardware and software details of different MHP terminal implementations. It enables digital content providers to address all types of terminals ranging from low-end to high-end set top boxes, integrated digital TV sets and multimedia PCs. [5]

MPEG Moving Picture Experts Group. Family of standards used for coding AVinformation in a digital compressed format.

NIC Network Interface Card.

NIT Network Information Table. Conveys information relating to the physical organisation of the multiplexes / Transport Streams carried via a given network, and the characteristics of the network itself. [6]

NPT Normal Play Time. Provides a time reference that can be used for synchronising applications with AV content.

Object Carousel MHP application file system. Object Carousels are implemented through DSM-CC. [2]

PAT Program Association Table. Provides correspondence between a program number and the PID value of the Transport Stream packets which carry the program definition (PMT). [1]

PES Packetized Elementary Stream

PID Packet Identifier. A unique integer value used to identify elementary streams of a program in Transport Stream. [1]

PMC Playout Management Console. A client software that is used to manage the Icareus Playout Server.

PMT Program Map Table. Provides mappings between program numbers and the program elements that comprise them. [1]

PS Program Stream. MPEG-2 stream format that comprises a single program in separate streams which are not multiplexed. [1]

PSI/SI Program Specific Information / Service Information

SDT Service Description Table. Describes services that are contained within a particular TS. The services may be part of the actual or part of other Transport Streams. [6]

STB Set Top Box

TCP Transmission Control Protocol. A reliable, stream-oriented protocol that is built on top of IP. Establishes a connection between two parties and takes care that no traffic is lost.

TDT Time and Date Table. Carries the UTC-time and date information. [6]

TS Transport Stream MPEG-2 stream format that can carry multiple programs simultaneously and is optimised for use in applications where data loss may be likely. [1]

XML extendable Markup Language