[mythtv-users] Nova-T Tuning instability

[AlanM]

Hi everyone,

I am new here by the way so hello!!

I have been building Myth systems for a while - just seeing if I want to 
go ahead and commit to new hardware - Now I am using front / back end 
with DVB in anger.

I'd like to say a big thanks to all involved in the project,  it is 
wonderful!! :)

Anyway  I am in the UK and am pointing at Crystal Palace 50 miles away 
(!) and have to use a high power antenna amplifier just to get a signal 
on my Sony IDTV. As a result I have problems with some channels 
completely failing at times and quite often glitches on the strongest 
ones. I think I have a good test bed ;)

I have been experiencing occasional backend / front end crashes similar 
to those I have seen posted in the last few days here and elsewhere (I 
use Nove-T and get various issues but mainly front end freezing, back 
end dropping packets, giving up, coring etc). I just tried the patch 
mentioned on myth-dev earlier...

http://www.mythtv.org/bugs/show_bug.cgi?id=31

This appears to have fixed all the problems -so far- unless of course I 
just happen to have an unusually strong signal strengh today!

Have you tried that?

cheers

Alan

Henk Poley wrote:

>Op maandag 19 juli 2004 11:00, schreef Mark Howells:
>  
>
>>After I change channels using mythtv, I often get TS continuity errors from
>>my Nova-T.  This only happens under mythtv, and only when I use mythtv to
>>change the channels.  If I tune the card usiong tzap and then start
>>mythbackend / frontend and watch liveTV then all is well.  Similarly, if I
>>exit liveTV and then re-enter it, I generally get a good stream.
>>
>>Strangely (or at least, strangely to me...) femon confirms a high BER (>
>>0x1000, 0x0 unc.) after mythtv tunes the card but tuning using tzap gives
>>much lower rate (< 0x50).
>>
>>I've seen other reports of similar instability on the list but haven't yet
>>found anyone that's been able to come up with a solution.
>>    
>>
>
>I'd say comparing the DVB channel changing code of 'tzap' with the one MythTV 
>use would be the best solution. Might be nasty if you don't know much C++, 
>but you could learn a lot.
>
>	Henk Poley <><
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>  
>
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