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  1. #1
    Forum Regular Woochifer's Avatar
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    Quote Originally Posted by Mr Peabody
    I haven't seen it yet but when I first read about it they didn't say anything about recreating. The idea was to divide evenly the number of frames per second to eliminate the need for 3:2 pull down. You'd always have an even number of frames. Looked good on paper. Now I see as Wooch was saying there are computer generated frames between. It's going to be another one of those things that divide camps, some like "judder" which make film look like film and others will like the more stable video look of 120hz. Seems the application of 120hz does introduce artifacts but this is predicted to get better in time as technology developes. .I read one review that said Sony did a good job with their application of the 120hz.
    120 Hz TVs can eliminate the need for 3:2 pulldown by simply using frame repeating (5:5). I believe that after switching the motion interpolation off, a 120 Hz TV still refreshes at that rate, so it can go to frame repeating as a default. In theory, 5:5 frame repeating would also reduce the juddering that 3:2 pulldown creates. But, the motion resolution on 120 Hz LCD sets apparently drops down to typical 60 Hz levels when the motion interpolation gets switched off.

    Still though, some reviewers find this preferable to the artifacts that they've noted when the motion interpolation is on, so it's all a tradeoff. I agree with you that this is probably contingent on the quality of the video processor, and this obviously varies from TV to TV.
    Last edited by Woochifer; 03-10-2009 at 12:38 PM.
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  2. #2
    Suspended atomicAdam's Avatar
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    not to tip off the conversation down a tangent, but, if they repeat frames in video, do they repeat audio as well?

  3. #3
    Loving This kexodusc's Avatar
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    Quote Originally Posted by atomicAdam
    not to tip off the conversation down a tangent, but, if they repeat frames in video, do they repeat audio as well?
    Data stream is processed by a separately I believe, though I've even heard people complain about 120 Hz synch problems after an hour or so into movies? Never experienced it myself so I dunno????

    I like my projector.

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