DVB-S2: Difference between revisions

Revision as of 21:33, 22 May 2006

DVB-S2 stands for Digital Video Broadcasting via Satellite 2.

This is Digital Video Broadcasting for Satellite-TV Version 2.

DVB-S2 has quite a lot of features:

It has variable slopes. (Nyquist Rolloff rates)

This eventually affects lot of stuff, since a larger falloff, helps in wastage of transmitted RF power, thus saving energy, quite useful in portable equipment.

DVB-S suffers from climatic changes

DVB-S2 supports additionally quite a lot of things to make things better

Physical layer Scrambling (helps to improve data integrity)
Multiple streams
Many more advanced features that it supports more than a MPEG2 Transport Stream
some of the features allow it work in bad climatic conditions as well
Saves bandwdth, not just because of H.264, but because of the sharper filter slope, below a certain value the bandwidth is useless, it just occupies bandwidth that which is not useful

Hardware

currently none supported ?

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 * Physical layer Scrambling (helps to improve data integrity)
 * Multiple streams
-* Many more advanced features that it supports more than a [[MPEG2]] [[TS]]
+* Many more advanced features that it supports more than a [[MPEG2 Transport Stream]]
 * some of the features allow it work in bad climatic conditions as well
 * Saves bandwdth, not just because of [[H.264]], but because of the sharper filter slope, below a certain value the bandwidth is useless, it just occupies bandwidth that which is not useful

DVB-S2: Difference between revisions

Revision as of 21:33, 22 May 2006

Hardware

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