[linux-dvb] ves1820 FEC off? have problems with cable provider, fec register adress and values pls, somebody?

thomas schorpp t.schorpp at gmx.de
Mon Jul 25 09:54:19 CEST 2005


Johannes Stezenbach wrote:
> Robert Schlabbach wrote:
> 
>>From: "thomas schorpp" <t.schorpp at gmx.de>
>>
>>>why this:
>>>p->u.qam.fec_inner = FEC_NONE;
>>
>>DVB-Cable has no _inner_ FEC. The outer FEC is Reed-Solomon 204/188.
> 
> 
> Hm, yes, EN 300 468 disagrees with EN 300 429 here, which I guess
> is the origin of the fec_inner parameter, carried over from the
> Nokia API...
> 
> Johannes
> 

not understood.

in 429 the framing shows only outer r-s fec.

in the latest 468 i cant find it easily, pls point me to.

so, we have no inner fec on cable?

the block diagram of ves1820 says otherwise, der is a fec device on the
output stage.

?

y
tom





More information about the linux-dvb mailing list