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Activity Forums Adobe After Effects lower/upper field

  • Curious Turtle

    August 25, 2009 at 2:33 pm

    A 5% slo-mo from any source footage is a big thing to ask. As Ben R said, you’re creating 95% of the movie from nothing. There are some very smart alogrithms at work in Twixtor and other optical flow slo-mo filters, but they don’t have a great deal of information to work with at 5% speed.

    There’s tweaking you can do to the filters, which can reduce some of the effect, but I wouldn’t think it would be good enough.

    If you’re after that super-crisp super-slo-mo effect you have to shoot at higher frame rates. The Red One, for example, can shoot up to 120fps. That will give you a bit more lattitude in post.

    Cheers,
    Ben

    Curious Turtle Pro Video
    Training | Editing | Support

  • Efi Or

    August 25, 2009 at 3:14 pm

    are you crazy? this camera costs $17,500 body only (@#%@#%@$#^!@!!!!)
    when I said “good professional camera” I meant HOME camera for a beginner camera man… that CAN give good results and quality image.
    something smooth to work with in AE.

    anything like that mate?

    btw:
    how come in Hollywood’s movies they can make some shots even 2% speed, and it still looks smooth?

  • Curious Turtle

    August 25, 2009 at 4:04 pm

    What Dave said.

    [efraim or] “how come in Hollywood’s movies they can make some shots even 2% speed, and it still looks smooth?”

    That’ll be the overcranking not the software interpolating 2%.

  • Todd Kopriva

    August 25, 2009 at 4:11 pm

    To add to what Dave said:

    The important thing about the specialized cameras used for filming action for slow motion is that you can shoot at extremely high frame rates. That way, when you slow the footage down to 24fps (or whatever), you have all of the information from full frames—rather than have to interpolate (make up) image data for some of the frames.

    Software like Twixtor or Timewarp is good for slowing down some, but a factor of 50 really relies on having _shot_ at a high frame rate.

    ———————————————————————————————————
    Todd Kopriva, Adobe Systems Incorporated
    putting the ‘T’ back in ‘RTFM’ : After Effects Help on the Web
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  • Efi Or

    August 25, 2009 at 4:11 pm

    I see, thanks for the info Dave and Ben.
    found a solution btw, found 2 frames that the change between them VERY little, and the 5% slow motion works great…very little frams for AE to fill.

    anyway, you guys helped a lot so thanks mates.
    have a nice day.

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