[souls33k3r]

Hi guys,

I have a very basic question on the process and refresh rate on the 3D TVs. When I was looking at a few TVs, the process rate was marked as 100Hz and refresh rate of 400Hz (e.g LG 47LM620T) and some with the process rate of 200Hz and refresh rate of 800Hz (Samsung 46ES8000).

I tried to get the right answer from 3 different people in currys with conflicting answers.

My question is that normal TV broadcasting happens on 50Hz so me buying a tv with 100 or 200hz will just simply slot in a few more frames to give smoother picture. I hope I am right in saying that. But what also really confused me is the refresh rate of 400 vs 800Hz, will that come in to play if I'm watching a normal tv broadcast, be it a SD or HD? also will this 400 or 800 come in to play if I hook up my laptop or USB stick to TV.

Also what I've noticed is that same make of TV have the same refresh and process rates but the newer model of TV has much crispier picture. Same resolution and size of TV though. how does this work?

Many thanks in advance

[technologist]

They just flash the picture a few times per received frame ..... keeps perceived flicker down!
Interpolation of interlaced pictures is NOT easy ....


Ideally HD needs a captured Frame rate of 100Hz (not 25Hz for most and sometimes 50Hz) and although UHD is currently speced at 120Hz - but 300Hz would be about right!

[souls33k3r]

Cheers for your quick response mate. So if I've understood this correctly the process rate will slot in extra frames on the top of the normal broadcast. So will the refresh rate which is marked on the TVs which is marked at 800Hz ( I guess some call is clear motion rate) will it come in to affect on a normal SD broadcast? Or is that Clear Motion Rate (or whatever these different companies call it) will only play its part when you play a blu-ray or watch a 3D channel?