[mythtv-users] HDHomerun tuner flaky recordings

Phill Edwards philledwards at gmail.com
Fri Feb 2 19:54:18 UTC 2024

I have a couple of HDHomerun DVB-T network tuners. Since moving house over
a year ago I've had problems with poor recording quality.

I suspected it might be a failing power pack on the 4-tuner Quattro but
replacing it didn't help.

So I then swapped the Quattro out for a 2-tuner HDHR4-2DT thinking that
maybe there were too many tuners for the aerial and that was causing
the problem. But that hasn't made any difference either.

On both tuners the characteristic of the recordings is that they
pixellate from time to time and seem to skip frames so that little chunks
of video and audio are missing which means you can't follow dialogue
because parts of it just aren't there. They appear the same whether I play
them in MythTV, or download to VLC or in the HDHomerun Windows app.

When I look at the HDHomerun tuner status in a browser I noticed that the
signal strength stays at 100%, but the signal quality jumps around all over
the place from 34% to 100% to 77% to 19%.... I'm wondering if this could be
my problem, and if so why would the signal strength be so continuously
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