[mythtv-users] OT: 120hz?

Robert Johnston anaerin at gmail.com
Sat Dec 3 02:18:36 UTC 2011


On 02/12/2011 8:11 PM, Eric Sharkey wrote:
> On Fri, Dec 2, 2011 at 8:31 PM, Richard Shaw<hobbes1069 at gmail.com>  wrote:
>> As far as I know most, if not all, manufactures don't accept more that
>> 60Hz. The 120/240/+++Hz is the internal refresh rate, not that rate it
>> accepts a signal.
>
> That's right.  The reason for buying a 120Hz set is not to show 120Hz
> content, but to be able to show both 30Hz and 24Hz content smoothly.
> On a 60Hz set, with native 24 Hz content, it shows alternate frames
> for 2 then 3 refreshes.  With a 120Hz set, it can show each frame
> exactly 5 times, leading to smoother motion.  For 48Hz content (just
> starting to rise in popularity) you need a 240 Hz set.

And it's not really that much of a hinderance, as there's no playback 
software that can easily do realtime motion interpolation (as most 120Hz 
and 240Hz sets do) yet. I wonder when that's coming...?


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