Basically what I would like to ask is how can you make a high quality material out of iphone clip? I would like to make high quality scenes which should look quite similar to a scene out of a movie. I recorded at a rehearsal room, however I would like to increase the quality.
PRE does not upscale in the same way modern DVD / Blu-Ray players can. So increasing the pixel count will most likely introduce blurring.
It would be helpful if you could analyse the clip with GSpot or Media Info (google them) and post a screen shot here.
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You may not be able to edit iphone at all http://forums.adobe.com/thread/881246
So, as it says in that message, you may need to use Quicktime Pro
Also... this is not Adobe support... this is a user to user forum