[mythtvnz] Pixellation Every ~ 20 minutes

[Paulgir]

On Sun, 07 Oct 2012 18:01:44 +1300, Curtis Walker <sultanoswing at gmail.com>  
wrote:


>
> I can embarrassingly report that I *think* this is a signal problem.
> Although the numbers look good, and the rest of the recordings are
> glitch free, and it seemed to occur after a set period (indicating a
> possible buffer or process problem).
>
> Swinging the aerial to Te Aroha today, using the TV's in-built signal
> meter and a compass to direct, I managed to increase baseline signal
> strength to 80% and quality to 100%. The pixellation still occurred
> during a recording in myth, but was a bit less - and when I watched
> the actual TV (Panasonic VT20) during the mythTV live TV recording
> pixellation, the signal quality was between 10 and 20%.
>
> Interestingly, the TV itself had a worse picture than mythtv (so the
> buffers are actually doing their best to maintain picture during
> signal drop outs).
>
> Seems like I'm back on the track to solving this despite some apparent
> (to me at least) red herrings.
>
I also saw an improvement,some months ago,when I fitted a higher gain  
antenna and a new signal amp.This was why I have assumed it is a signal  
strength problem.My original plan was to put the antenna on a 18m mast to  
get above some nearby trees.

Paul