[mythtv-users] Black screen, audio, green snow

Andre MythTV mythtv-list at dinkum.org.uk
Thu Oct 6 16:23:21 UTC 2016


> On 6 Oct 2016, at 15:48, Ian Evans <dheianevans at gmail.com> wrote:
> 
> On Thu, Oct 6, 2016 at 10:44 AM, jrh <jharbestonus at gmail.com> wrote:
> 
> > On Oct 6, 2016, at 10:39 AM, Ian Evans <dheianevans at gmail.com> wrote:
> >
> > I first thought this might be related to the HDHomerun power warts, but that issue usually resulted in pixellation.
> >
> > Recording OTA via HDHomeruns. Twice in two days I've had a recording suddenly go to a black screen.The sound continues fine. Just before the picture comes back I get about two seconds of green snow filling the screen.
> >
> 
> I have had similar happen with OTA. In my case the signal from the station/network was at fault, and straightened itself out as you indicated.

The green snow is a good clue, dropouts or no signal on a broadcast standard digital cable are usually green (SDI HDSDI) as they use around the studio or playout center, as it’s a colour difference signal 0’s result in green. 


> 
> I have also had similar problems with audio doing the same type of thing, and again was due to the station/network.

I’ve not yet seen any green audio ;-)

Andre

> 
> 
> 
> 
> Just double checked. Both incidents happened on the same channel. It's a flamethrower of a signal but maybe they're having some other issue. 
> 
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