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Old 04-17-2018, 10:24 AM   #1
EDVS2016
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Default converting 24 rame rate to 25 frame rate

Hi gurus,

i have a source clip which is in 24 frame rate, but i want my end product to be in 25 frame rate, how do i do that?

I read online that i can add the clip in the bin, in properties, change the frame rate from 24 to 25 before dragging in to timeline and export. However, i noticed the duration became short, am i doing correctly? Anything i need to take note of?

TIA.

VT

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Old 04-18-2018, 02:25 AM   #2
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RE-Vision FieldsKit
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Old 04-18-2018, 03:10 AM   #3
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meaning Edius cannot process this conversion without this?

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RE-Vision FieldsKit
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Old 04-18-2018, 05:38 AM   #4
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Quote:
Originally Posted by EDVS2016 View Post
Hi gurus,

i have a source clip which is in 24 frame rate, but i want my end product to be in 25 frame rate, how do i do that?

I read online that i can add the clip in the bin, in properties, change the frame rate from 24 to 25 before dragging in to timeline and export. However, i noticed the duration became short, am i doing correctly? Anything i need to take note of?

TIA.

VT

(Edius Pro 8)
that is the correct way, it very slightly increases the speed and as a result duration will be a bit shorter, but that is how all Hollywood 24 frame movies get to Pal DVD

you can add pitchshifter audio filter to audio clip so the sound sounds normal due to increased speed
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Old 04-18-2018, 08:02 AM   #5
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Re Vision Fieldskit creates interlaced material from progressive or converts progressive to Interlaced - it does not perform conversion of frame rates, so don't be tempted to rush out and buy it unless that's what you want to do, which you don't.

Paul :-)
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Old 04-18-2018, 10:28 AM   #6
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You can just put the 24P clip on a 25P timeline and then fiddle with the frame blending options.
  • Nearest frame will not do much to the picture and it will just duplicate the odd frame to go from 24P to 25P, so will be a bit jerkier.
  • Frame blending will make it slightly fuzzier as it crossfades several frames to try and smooth out the frame difference.
  • Optical flow will try to create new data which works sometimes and other times produces odd effects.

In all the above the duration stays the same but the footage is changed and will probably loose some quality.

Alternatively you do what Anton says which means the video looks exactly the same as before but runs faster. Like he says that is what is normally done professionally.

There are other programs that may do a better conversion job than EDIUS - FieldsKit is for de-interlacing, but they do other products for slow motion and frame rate changing which do not work in EDIUS.
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Old 04-18-2018, 11:23 AM   #7
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David has summarised what I found 18 months ago. Nothing was remotely perfect. In the end it was a choice of the slightly shorter duration or Alchemist XF which is 10K. I thought long and hard for at least 1 second and came to the conclusion that the shorter duration wasn't so bad after all.
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Old 04-19-2018, 02:05 AM   #8
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Quote:
Originally Posted by antonsvideo View Post
that is the correct way, it very slightly increases the speed and as a result duration will be a bit shorter, but that is how all Hollywood 24 frame movies get to Pal DVD

you can add pitchshifter audio filter to audio clip so the sound sounds normal due to increased speed
is there any setting to set?
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Old 04-19-2018, 02:08 AM   #9
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Quote:
Originally Posted by David Clarke View Post
You can just put the 24P clip on a 25P timeline and then fiddle with the frame blending options.
  • Nearest frame will not do much to the picture and it will just duplicate the odd frame to go from 24P to 25P, so will be a bit jerkier.
  • Frame blending will make it slightly fuzzier as it crossfades several frames to try and smooth out the frame difference.
  • Optical flow will try to create new data which works sometimes and other times produces odd effects.

In all the above the duration stays the same but the footage is changed and will probably loose some quality.

Alternatively you do what Anton says which means the video looks exactly the same as before but runs faster. Like he says that is what is normally done professionally.

There are other programs that may do a better conversion job than EDIUS - FieldsKit is for de-interlacing, but they do other products for slow motion and frame rate changing which do not work in EDIUS.
seems like this isn't an ideal option as well since video will still show some artifacts. guess has to compromise with its duration to get a better conversion.
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