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using 25 fps stock footage in 29.97 timeline

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Greg Ball
using 25 fps stock footage in 29.97 timeline
on Jan 9, 2017 at 5:49:47 pm

I have a client buying stock footage for a project I'm working on in FCP 7. The whole project is 29.97 fps.

The footage they are buying is 25 FPS.
Can I use their 25 frames per second stock footage clips in this sequence?

Greg Ball, President
Ball Media Innovations, Inc.
https://www.ballmediainnovations.com


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Shane Ross
Re: using 25 fps stock footage in 29.97 timeline
on Jan 9, 2017 at 7:41:38 pm

29.97 interlaced?

Conform the clip to 23.98 with Cinema Tools. Then use Compressor to convert to 29.97 with 3:2 pulldown...

23.98 to 29.97 via Compressor:

1. Drop clips you want to convert into Compressor

2. In Compressor, select your video then right click and choose NEW TARGET WITH SETTING > APPLE > FORMATS > QUICKTIME > APPLE PRORES 422 (HQ). Or pick whatever codec you like to work with.

3. Click on that newly created compression setting to open it in the Inspector window. Click the Encoder tab. Click the Video: (Settingsā€¦) button. Make the frame rate 29.97. Check the interlaced box. Set it's drop down menu to Bottom field first. Click OK.

4. Click the Frame Controls tab. Set Frame Controls to On. Set Output Fields to Bottom first. Leave Deinterlace on Fast. Leave Adaptive Details checked. Leave Rate Conversion set to Fast. Leave the Set Duration to: on 100% and make sure it's radio button is selected and NOT the "so source frames play at 29.97 fps" button.

5. Make changes to the Filters or Geometry sections as needed. Those settings listed above are the ones critical to getting the proper 3:2 pulldown added.

6. Submit the compression, then bring the resulting video back into Final Cut Pro. Place it in a 29.97 timeline and make sure you watch it on an NTSC monitor to verify that it looks good. If you step through it frame-by-frame you should see the familiar pattern of 2 split/interlaced frames followed by 3 whole frames. This is a very important step. I tried many solutions that looked OK playing back on the computer monitor, but looked terrible on the NTSC monitor.

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Greg Ball
Re: using 25 fps stock footage in 29.97 timeline
on Jan 9, 2017 at 10:50:50 pm

Thanks Shane. The sequence is 29.97progressive, not interlaced. Does that make a difference?

Greg Ball, President
Ball Media Innovations, Inc.
https://www.ballmediainnovations.com


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Shane Ross
Re: using 25 fps stock footage in 29.97 timeline
on Jan 9, 2017 at 10:56:38 pm

Yes. No matter what you do, it'll look skippy when mixed with 30p footage. There is no way to blend the frames. So just dropping the 25fps into a 30fps and having repeated frames is as good as it'll get. 24p to 30p (or 25p in your case) is no picnic.

There are tools in After Effects to smooth this out, if there isn't a lot of movement...and in Avid we have the same tool but it's called FLUID MOTION. That will make it blend well, as it creates in between frames by guessing. But if there's a lot of movement, it'll "jello out" the thing moving, like someone waving.

But FCP doesn't have something like this built in. Motion might, but I don't know what it would be.

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Nick Meyers
Re: using 25 fps stock footage in 29.97 timeline
on Jan 10, 2017 at 8:45:42 pm

if the stock footage doesn't contain a lot of obvious motion,
then you can try conforming the 25fps clips to 23.98 in Cinema Tools

they'll run a little slow, but you;d be surprised what you can get away with.


nick


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Shane Ross
Re: using 25 fps stock footage in 29.97 timeline
on Jan 10, 2017 at 11:16:48 pm

But then his sequence is 29.97...progressive...so you don't do much of anything by doing that.

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Nick Meyers
Re: using 25 fps stock footage in 29.97 timeline
on Jan 11, 2017 at 8:05:54 am

sorry, a finger mistake from me.
i meant to say conform from 25 to 29.97
if there's not to much motion then you can really get away with a lot.


nick


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Shane Ross
Re: using 25 fps stock footage in 29.97 timeline
on Jan 11, 2017 at 7:30:43 pm

That will speed up the footage visibly...almost comically, no?

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Nick Meyers
Re: using 25 fps stock footage in 29.97 timeline
on Jan 14, 2017 at 10:22:31 pm

dang! yes it would speed it up rather than slow it down.
sorry, been a bit distracted.

still it does hurt to try it ands what it looks like
really depends on the footage


n


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