Time Interpolation: Frame Sampling and Opitcal Flow in PPro, then again in Media Encoder?

Enthusiast ,
May 28, 2021 May 28, 2021

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Hiya,

say I have a sequence in PPro, and some of the clips are slow mo.  Most of the clips are using standard "Frame Sampling" but the slow mo clips are using "Optical Flow" for the time interpolation.

 

Now, when I got to export it all thru Media Encoder, at the bottom there is a little drop down menu that wants me to select the Time Interpolation....  3 choices,   Frame Sampling, Blending or Opitcal.

 

What should I check?  My export has regular and slo mo. Seems odd to have to select one at export when the sequence has multi selections.  

 

Please advise,

Thanks!
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correct answers 1 Correct Answer

Adobe Community Professional , May 28, 2021 May 28, 2021
just keep export settings (Time Interpolation) at frame sampling since you are not exporting to different frame rates, Optical Flow still applies to and affects the clips you assigned that to in your sequence... 

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Adobe Community Professional ,
May 28, 2021 May 28, 2021

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The settings in the export settings affect the entire sequence.

You dont check them, unless you are e.g. exporting to a different framerate.

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Enthusiast ,
May 28, 2021 May 28, 2021

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In PPro seq: when I changed the speed of a clip, I would select opitical for the time interpolation for just that one clip.

 

All other clips are the default 'frame sampling'

 

But in Media Encoder settings page, it requires a selection to be made.  (can't leave it blank)  frame sampling, blending, or optical. (located close to the bottom of the settings menu)

 

I'm assuming to leave it on 'frame sampling' but not positive. That selection would throw off the opitical selection for the slo mo clips in the sequence?

 

Thanks for your reply.

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Adobe Community Professional ,
May 28, 2021 May 28, 2021

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Read my answer again.

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Enthusiast ,
May 28, 2021 May 28, 2021

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I'm not exporting to a different frame rate.

 

The AME export settings still requires a selection in the drop down menu.

The default is 'frame sampling'.

 

what did I miss?  The drop down menu is not active? Caz it seems to be active.

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Adobe Community Professional ,
May 28, 2021 May 28, 2021

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If you are not exporting to a different framerate you dont check the boxes, leave it default. Cannot be more simple than that.

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Enthusiast ,
May 28, 2021 May 28, 2021

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I still don't know what boxes you are referring to.

I'm referring to the drop down menu selector that appears to be active towards the bottom of the AME settings pop up page, when you export from the ppro timeline.

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Adobe Community Professional ,
May 28, 2021 May 28, 2021

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Post screenshot.

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Enthusiast ,
May 28, 2021 May 28, 2021

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1.png

 

Reason asking is, it seems to be an active selection.  It's not gray'd out.

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Adobe Community Professional ,
May 28, 2021 May 28, 2021

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Yes I gathered you meant that.

The answer is still the same.

Hover of the box and read the text.

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Enthusiast ,
May 28, 2021 May 28, 2021

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Answer is not still the same.

The issue was never answered.

Hovering over the box only describes the selections.

It doesn't answer which one should be selected if the original sequence has clips that use regular frame sampling and some clips are using Optical.

 

This drop down menu seems to want control over the entire export in that regards.

 

Don't worry about it.  I'll try google again and see if I can find an answer.

 

 

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Adobe Community Professional ,
May 28, 2021 May 28, 2021

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just keep export settings (Time Interpolation) at frame sampling

since you are not exporting to different frame rates,

Optical Flow still applies to and affects the clips you assigned that to in your sequence... 

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Enthusiast ,
May 28, 2021 May 28, 2021

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ahhhh.  Thank you very much.  That makes sense.

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Adobe Community Professional ,
May 28, 2021 May 28, 2021

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Optical flow in the export settings analyzes the entire sequence not just the clips which have OF applied.

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Adobe Community Professional ,
Jun 03, 2021 Jun 03, 2021

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I said optical Flow for clips in the sequence Ann.. Sequence = Timeline not export settings

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Adobe Community Professional ,
Jun 03, 2021 Jun 03, 2021

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Ann Bens, you can apply optical flow to individual clips in the timeline

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Enthusiast ,
Jun 03, 2021 Jun 03, 2021

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Hi Carlos, I think Ann is aware if this since she is one of the most talented Premiere Pro helper in this forum.:)

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Adobe Community Professional ,
Jun 03, 2021 Jun 03, 2021

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I know Ann very well

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Enthusiast ,
Jun 03, 2021 Jun 03, 2021

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Great ! 

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