[mythtv-users] How to improve deinterlacing?

Doug Larrick doug at parkercat.org
Sat Jun 9 00:19:52 UTC 2007

Thomas Kessler wrote:
> I use Bob as my playback deinterlace setting. When I watch HDTV recorded
> shows I can still see horizontal scan lines when scenes change. It's not
> all the time just every so often (just enough to be annoying).  Is there
> anyway I can make deinterlacing perfect, the way HDTV looks on my TV's
> tuner (flawless)?

I've noticed that MythTV is quick to trust the source material's
indication of progressive vs. interlaced frames.  If your HD broadcaster
is sending progressive-marked frames in a 1080i broadcast, Myth switches
off deinterlacing for that frame.  Even though it's probably wrong.  You
can fix for the duration of that recording by using the OSD menu to
select Video Scan -> Interlaced.


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