[mythtv-users] 24fps Movies and new 120Hz LCD TV

[James Oltman]

On Mon, Mar 22, 2010 at 7:58 PM, Jean-Yves Avenard <jyavenard at gmail.com>wrote:

> Hu
>
> On 23 March 2010 02:17, James Oltman <cnlibmyth at gmail.com> wrote:
> >
> > I think it's a little buggy right now.  It doesn't work as I'd expect it
> to
> > work.  When I first start the FE, the TV uses 60Hz.  When I watch 24Hz
> > material, the TV switches to 24Hz (the display refreshes and the display
> > menu pops up on the screen and says 24Hz).  When I stop playing the
> > material, Myth exits to the menu, but stays at 24 Hz.  I would think it
> > should go back to 60Hz.  I have some material that is neither 24 Hz or
> 60Hz
>
>
> > (Doctor Who episodes and others).  So when I play these files, the TV
> > doesn't have a 50Hz or 25 Hz setting so it leaves it at 24Hz.  This
> causes
>
> If the content is 50Hz and your TV supports 60Hz but not 50Hz ; then
> it will switch to 60Hz.
>
> If it uses 24Hz, it's because your content is 24Hz... simple as that.
>
> When watching new content and you have the automatic rate selection
> activated; whatever refresh rates your TV was set to is irrelevant and
> doesn't have an impact whatsoever on how the rate is going to be
> selected.
>
> When a refresh rate isn't available, it uses the highest one available
> ; e.g. 60Hz
>
> You can try it by first watching 60Hz content ; then go and watch your
> "50Hz" content you see that it won't stay at 60Hz (if you say it was
> selecting 24Hz before)
>
> Aside, I would be extremely surprised if your TV supported 60Hz an
> 24Hz but not 50Hz...
>
>
>
> > some video funkiness.  I can fix it if I start a region 1 ISO of a DVD
> then
> > exit.  It updates the refresh rate to 60Hz and all is well again.  I
> think
> > there should be a setting for refresh rate of the GUI and a dynamic
> refresh
> > rate for material.
>
> Why?
> How does having a 24Hz refresh rate or 60Hz refresh rate makes any
> difference for displaying a static content like a menu ?
>
> JYA,

I'll have to do some testing now, as this was an issue I had a while ago and
don't correctly remember everything.  I'll let you know.

Jim
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