When to use cinemotion and motionflow on my sony bravia? - AVS Forum
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post #1 of 4 Old 09-29-2012, 10:50 PM - Thread Starter
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I have a few years old sony bravia LCD television that has two motionflow settings, one "standard" (to go from 60hz to 120hz as I understand it), one "high" (to go to 240hz). It also has cinemotion settings of "auto 1" and "auto 2."

I'm wondering, when should I have cinemotion on when watching comcast HD TV. I will either be watching in 1080i or 720p. If I'm watching an HD channel, do I need to put cinemotion on to stop the judder? If so, which setting, auto 1 or auto 2? And does this change if I have motionflow on standard or high, or off?

What if I'm watching an on demand movie in HD, like a new one from the blu ray era that was possibly shot in 24fps? (or is that now how it works?)

I just need to know what settings to use. Right now I am watching 1080i HD live TV, and I have no idea whether to use cinemotion or not. Motionflow seems more straightforward to me, if the motion is too blurry I turn it up either to standard or high, but the cinemotion settings I have no idea about.

Thanks for the help!
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post #2 of 4 Old 09-30-2012, 06:48 AM
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On my european sony i watch movies cinemotion Auto2/ motionflow off. Keep in mind that motionflow (low high etc...) adds fake frames so a 1080p24fps movie becomes a 1080p 24authentic fps + 24 extra fake frames per second movie wink.gif



Cinemotion works only with 24 frames per second sources. Auto1 does telecining and uses adeptive prediction to make motion smoother, Auto2 does telecining without the adeptive motion correction.

telecining
http://neuron2.net/LVG/telecining.html

Cinemotion reverse 3-2 pull-down technology
post #349
http://www.avsforum.com/t/893076/official-sony-xbr4-xbr5-calibration-thread/330#post_11756993


don't believe cableHD/satelliteHD movies are 24fps.
here is some info on that
http://www.mythtv.org/pipermail/mythtv-users/2009-February/249276.html
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post #3 of 4 Old 09-30-2012, 09:55 AM
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I was under the impression that the European 50Hz systems displayed each frame of 24fps content twice like the US movie theaters do and that frame interpolation motion flow was enabled only if enabled on 100Hz or higher systems.
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post #4 of 4 Old 09-30-2012, 01:04 PM
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Quote:
Originally Posted by walford 
I was under the impression that the European 50Hz systems displayed each frame of 24fps content twice
right, that is what the wiki says:
''the most popular method is to speed up the material by 25/24(4%). Each 24p frame will take the place of two 50i fields.''
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Originally Posted by walford 
and that frame interpolation motion flow was enabled only if enabled on 100Hz or higher systems.
no motion interpolation on 50Hz TV's.

On my 100hz x4500 (xbr8) sony it is best to watch 1080p24 using cinemotion (its called Film Mode in Europe) since stuff can be unpleasant to watch when cinemotion is turned off. Auto1 does to much smoothing imo so only option is Auto2.
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