DVB – Digital Video
Broadcasting Standards
What is DVB ?
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DVB (Digital Video Broadcasting) is a set of international
open standards for digital television
DVB standards are maintained by the DVB Project
(international industry consortium) and published by a
Joint Technical Committee (JTC) of European
Telecommunications Standards Institute (ETSI),
European Committee for Electrotechnical Standardization
(CENELEC) and European Broadcasting Union (EBU)
DVB standards are publicly available, free of charge at
http://www.etsi.org and http://www.dvb.org
DVB standards are used in Europe; similar standards are
ATSC (used in USA/North America), ISDB (used in
Japan/South America) and DMB (used in China, Korea)
DVB generalities
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DVB standards define the physical layer and data link layer of the
distribution system
DVB standards are based on MPEG-2 and MPEG-4 standards and
all data is transmitted in MPEG Transport Streams
most important DVB standards are:
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for
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for
satellite TV: DVB-S, DVB-S2
terrestrial (aerial) TV: DVB-T, DVB-T2
cable TV: DVB-C, DVB-C2
handheld devices TV: DVB-H, DVB-SH
DVB has a conditional access system (DVB-CA) through Common
Scrambling Algorithm (DVB-CSA) and a physical Common Interface
(DVB-CI)
DVB-S and DVB-C were ratified in 1994 and DVB-T in 1997