DVB Digital Video Broadcasting Standards What is DVB

DVB – Digital Video Broadcasting Standards

What is DVB ? n n 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 n n n 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: n n n for for satellite TV: DVB-S, DVB-S 2 terrestrial (aerial) TV: DVB-T, DVB-T 2 cable TV: DVB-C, DVB-C 2 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