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Interpret Frame Rate results in scrubbing errors (WITH VIDEO)

Community Beginner ,
May 16, 2020

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Hi all. On files where I change frame rate via "modify/interpret footage" resulting clips have errors while scrubbing on the timeline (skipping back and forth in file). If I simply change the speed via the speed setting on the timeline, the file scrubs fine. Any ideas? I made a video where I tried to show this happening:

https://youtu.be/MjEDyjPbZUg

 

Windows 10

CC2020 14.1.0

RTX2070 super 442.92 studio driver

 

 

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Error or problem, Performance

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Interpret Frame Rate results in scrubbing errors (WITH VIDEO)

Community Beginner ,
May 16, 2020

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Hi all. On files where I change frame rate via "modify/interpret footage" resulting clips have errors while scrubbing on the timeline (skipping back and forth in file). If I simply change the speed via the speed setting on the timeline, the file scrubs fine. Any ideas? I made a video where I tried to show this happening:

https://youtu.be/MjEDyjPbZUg

 

Windows 10

CC2020 14.1.0

RTX2070 super 442.92 studio driver

 

 

TOPICS
Error or problem, Performance

Views

401

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May 16, 2020 2
Adobe Community Professional ,
May 16, 2020

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is there any reason why you can't just change the speed in the timeline rather than using the interpret footage option?  Could you tell us what the source clip properties are and how you're trying to change them using the interpret footage option?

One possibility is that your source clips have a variable frame rate.   Here's a link to a FAQ about screen capture recordings which usually have a vfr.  video recorded on smartphones usually also have a vfr.

https://community.adobe.com/t5/premiere-pro/faq-issues-with-screen-recorded-footage-in-premiere-pro/...

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May 16, 2020 0
Community Beginner ,
May 16, 2020

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Thanks for the reply. I like to use the interpret option especially when I shoot 60p and need to playback at 25p. The speed change is a fraction, and I'm not sure I'm gettig it exactly right (I'm using 41.71% slowdown, but not sure it's 100% as good as simply interpreting.

 

Also, interpreting has been working fine for 10+ years.

 

The files I noticed the problem were C100 MKII 60p h264 MP4s, but in my test I exported a h264 MP4 with CBR of 25, and it has the same issue. Not sur eif it is limited to MP4 or h264 file sor not. Variable vs. constant bitrate doesn't seem to help.

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May 16, 2020 0
New Here ,
Sep 13, 2020

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hi did you ever get a fix to this. I'm seeing the same thing (i think) from C200 raw files shot at 59.94 and modified to a 23.976 timeline. Whenever i scrub either in the source or Program windows, or on the timeline even, i can get this weird almost interlaced footage of the clip playing back as a 59.94 frame rate and intercutting it with the modified down to 23.976 frame rate of the sequence. 

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Sep 13, 2020 1
New Here ,
Sep 29, 2020

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Any solution or workaround? 

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Sep 29, 2020 0