[mythtv-users] 50Hz DVB frame rate with 60Hz TV HDMI input

Jean-Yves Avenard jyavenard at gmail.com
Sat Jun 6 14:11:35 UTC 2009


Hi

2009/6/6 Justin Smith <justin at smithpolglase.com>:
> Hi Jean-Yves (or anyone else who can help),
>
> I think I read on this list that you are in Aus and have a Sony TV. I've
> been looking into upgrading my TV recently have downloaded a couple of the
> Sony user manuals to check out the features. According to these, the HDMI
> interfaces only support 1080p @ 60Hz when connected to a PC, not 50Hz which
> is broadcast in Aus.

That's what the manual state, however it will take at least:
23.976, 24, 50, 50i, 59.94, 59.94i, 60, and 60i

>
> Have you found this to cause any loss in picture quality when using Myth
> with Aus HDTV?

Definitely not

>
> Or is there a way to drive the TVs at 50Hz?

yes
http://www.avenard.org/media/Patches_%26_Add-Ons/Entries/2008/9/5_xorg.conf_and_specific_refresh_rates.html

>
> I've noticed that other TV's have similar specs (e.g. recent Samsung LCD
> TVs).

But they pretty much all take 50 or 24Hz.


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