BBheader: Difference between revisions

From GNU Radio
Jump to navigation Jump to search
No edit summary
(add Example Flowgraph)
 
(One intermediate revision by one other user not shown)
Line 1: Line 1:
[[Category:Block Docs]]
[[Category:Block Docs]]
Formats MPEG-2 Transport Stream packets into FEC baseband frames and adds a 10-byte header.
Part of the DVB block set.  Formats MPEG-2 Transport Stream packets into FEC baseband frames and adds a 10-byte header.


Input: 188-byte MPEG-2 Transport Stream packets.  
Input: 188-byte MPEG-2 Transport Stream packets.  
Line 20: Line 20:


== Example Flowgraph ==
== Example Flowgraph ==
This flowgraph can be found at [https://raw.githubusercontent.com/gnuradio/gnuradio/master/gr-dtv/examples/germany-g1.grc]
[[File:Germany_g1_fg.png|799px]]


== Source Files ==
== Source Files ==

Latest revision as of 12:06, 20 December 2021

Part of the DVB block set. Formats MPEG-2 Transport Stream packets into FEC baseband frames and adds a 10-byte header.

Input: 188-byte MPEG-2 Transport Stream packets.

Output: Variable length FEC baseband frames (BBFRAME). The output frame length is based on the FEC rate.

Parameters

Standard
DVB standard (DVB-S2 or DVB-T2).
FEC FRAME Size
FEC frame size (normal, medium or short).
Code Rate
FEC code rate
Rolloff Factor
DVB-S2 root-raised-cosine filter roll-off

Example Flowgraph

This flowgraph can be found at [1]

Germany g1 fg.png

Source Files