Digital Video Broadcasting: Difference between revisions
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[[DVB-C]] (Digital Broadcasting over Cable Networks) |
[[DVB-C]] (Digital Broadcasting over Cable Networks) |
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[[DVB-T]] (Digital |
[[DVB-T]] (Digital Broadcasting over Terrestrial RF - i.e. with a normal TV antenna) |
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[[ATSC]] (The U.S. standard for Digital Broadcasting over Terrestrial Networks) |
[[ATSC]] (The U.S. standard for Digital Broadcasting over Terrestrial Networks) |
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Revision as of 22:45, 21 September 2006
The term Digital Video Broadcasting (short DVB) is originally a synonym for Digital TV that would broadcast video digitally instead of Analog TV transmissions. On the technical side the term DVB is a synonym to the DVB Standard which defines the encoding of the digital video streams used for broadcasting.
Digital TV or Digital Video Broadcasting, is a set of standards for the transmission of digital video and audio.
DVB consists of data packets, which carry MPEG2 coded video/audio and EPG combined with other payload encapsulated in MPEG2 Transport Streams. Depending on the transmission path there a different kinds of Digital TV, which are using different Modulation Schemes, frequencies, transmission parameters and are optimized for different transmission networks and target devices.
DVB-S (Digital Broadcasting over Satellite)
DVB-S2 (Digital Broadcasting over Satellite Version 2)
DVB-C (Digital Broadcasting over Cable Networks)
DVB-T (Digital Broadcasting over Terrestrial RF - i.e. with a normal TV antenna)
ATSC (The U.S. standard for Digital Broadcasting over Terrestrial Networks)
ISDB (Japan's standard for Digital Broadcasting: Integrated Services Digital Broadcasting)