DVB

DVB is a set of standards created by the European Broadcasting Union (EBU), European Telecommunications Standards Institute (ETSI), and other organizations, including the International Telecommunication Union (ITU), to provide a framework for digital broadcasting, such as Digital Video Broadcasting (DVB) and Digital Audio Broadcasting (DAB), which are used by broadcasters like the British Broadcasting Corporation (BBC), Deutsche Welle (DW), and Radio France (RF). The development of DVB involved collaboration between companies like Philips, Thomson, and Nokia, as well as research institutions like the University of Cambridge and the University of Oxford. DVB is used in many countries, including Germany, France, Italy, and the United Kingdom, and is supported by organizations like the European Commission and the International Electrotechnical Commission (IEC).

Introduction to DVB

DVB is a digital broadcasting standard that provides a range of benefits, including improved picture and sound quality, increased channel capacity, and enhanced functionality, such as Electronic Programme Guide (EPG) and Conditional Access (CA), which are used by broadcasters like Sky and Canal+. The DVB standard is based on the work of the MPEG (Moving Picture Experts Group) and the Digital Video Broadcasting Project (DVB-P), which involved companies like Sony, Toshiba, and Samsung. DVB is used in a variety of applications, including Terrestrial Television (DTT), Satellite Television (DTH), and Cable Television (CATV), which are provided by operators like Virgin Media and Comcast. The standard is also supported by organizations like the Society of Motion Picture and Television Engineers (SMPTE) and the Institute of Electrical and Electronics Engineers (IEEE).

History of DVB

The development of DVB began in the early 1990s, with the formation of the European Launching Group (ELG) and the Digital Video Broadcasting Project (DVB-P), which involved companies like Alcatel and Ericsson. The first DVB standard was published in 1994, and since then, the standard has undergone several revisions, including the introduction of DVB-T (Terrestrial) in 1997, DVB-S (Satellite) in 1994, and DVB-C (Cable) in 1994, which were developed with the support of organizations like the European Space Agency (ESA) and the National Aeronautics and Space Administration (NASA). The DVB standard has been adopted by many countries, including Australia, Canada, and China, and is used by broadcasters like ABC and CBC. The development of DVB has also involved collaboration with other standards organizations, like the Advanced Television Systems Committee (ATSC) and the Society of Cable Telecommunications Engineers (SCTE).

Technical Overview

The DVB standard is based on a range of technologies, including MPEG-2 and MPEG-4 video compression, Dolby Digital and DTS audio compression, and Forward Error Correction (FEC) for error correction, which are used by companies like Cisco Systems and Microsoft. The standard also supports a range of transmission modes, including Constant Bit Rate (CBR) and Variable Bit Rate (VBR), which are used by operators like AT&T and Verizon. DVB also provides a range of features, including Subtitling and Closed Captions, which are used by broadcasters like PBS and BBC. The standard is also compatible with a range of devices, including Set-Top Boxes (STBs) and Integrated Digital Televisions (IDTVs), which are manufactured by companies like LG and Panasonic.

DVB Standards

The DVB standard includes a range of specifications, including DVB-T (Terrestrial), DVB-S (Satellite), and DVB-C (Cable), which are used by operators like DirecTV and Dish Network. The standard also includes specifications for DVB-H (Handheld) and DVB-SH (Satellite to Handheld), which are used by companies like Qualcomm and Intel. DVB also provides a range of standards for Interactive Television (iTV) and Hybrid Broadcast Broadband TV (HBBTV), which are used by broadcasters like Fox and NBC. The standard is also supported by organizations like the World Broadcasting Unions (WBU) and the Asia-Pacific Broadcasting Union (ABU).

Implementations and Applications

DVB is used in a variety of applications, including Digital Terrestrial Television (DTT), Digital Satellite Television (DTH), and Digital Cable Television (CATV), which are provided by operators like Cox Communications and Charter Communications. The standard is also used in Mobile TV and IPTV (Internet Protocol Television) applications, which are provided by companies like Apple and Google. DVB is also used in a range of devices, including Set-Top Boxes (STBs) and Integrated Digital Televisions (IDTVs), which are manufactured by companies like Samsung and Sony. The standard is also supported by organizations like the Consumer Technology Association (CTA) and the National Association of Broadcasters (NAB).

Reception and Transmission

DVB signals are received using a range of devices, including Set-Top Boxes (STBs) and Integrated Digital Televisions (IDTVs), which are manufactured by companies like LG and Panasonic. The signals are transmitted using a range of technologies, including Satellite Transmission and Terrestrial Transmission, which are provided by operators like Intelsat and SES. DVB also provides a range of features for Reception Quality and Transmission Quality, which are used by broadcasters like BBC and CNN. The standard is also supported by organizations like the International Telecommunication Union (ITU) and the European Telecommunications Standards Institute (ETSI). Category:Digital television