What is STB?

A set-top box (STB) or set-top unit (STU) is a device that connects to a television and an external source of signal, turning the signal into content which is then displayed on the television screen.

What is DVB?

Digital Video Broadcasting (DVB) is a suite of internationally accepted open standards for digital television. DVB standards are maintained by the DVB Project, an international industry consortium with more than 270 members, and they are published by a Joint Technical Committee (JTC) of European Telecommunications Standards Institute (ETSI), European Committee for Electrotechnical Standardization (CENELEC) and European Broadcasting Union (EBU). The interaction of the DVB sub-standards is described in the DVB Cookbook.[1] Many aspects of DVB are patented, including elements of the MPEG video coding and audio coding.

What is DVB-S?

DVB-S is the original Digital Video Broadcasting forward error coding and modulation standard for satellite television and dates from 1994, in its first release, while development lasted from 1993, to 1997. The first application was commercially available in France via Canal+, enabling digitally broadcast, satellite-delivered television to the public.

It is used via satellites serving every continent of the world. DVB-S is used in both MCPC and SCPC modes for broadcast network feeds, as well as for direct broadcast satellite services like Sky Digital (UK) via Astra in Europe, Dish Network and Globecast in the U.S. and Bell TV in Canada.

While the actual DVB-S standard only specifies physical link characteristics and framing, the overlaid transport stream delivered by DVB-S is mandated as MPEG-2, known as MPEG-TS.

What is DVB-T?

DVB-T is an abbreviation for Digital Video Broadcasting —– Terrestrial; it is the DVB European-based consortium standard for the broadcast transmission of digital terrestrial television. This system transmits compressed digital audio, video and other data in an MPEG transport stream, using COFDM modulation.

What is DVB-IPTV?

DVB-IPTV is an open DVB standard that enables Audio/Video services to be delivered to and through the home via Internet Protocol networking. DVB-IPTV was formerly known as DVB-IPI.

IPTV (Internet Protocol Television) is a system where a digital television service is delivered using Internet Protocol over a network infrastructure, that is, a broadband connection. A general definition of IPTV is television content that, instead of being delivered through traditional broadcast and cable formats, is received by the viewer through the technologies used for computer networks, all of which employ Internet Protocol and related standards such as SNMP