Activity › Forums › Apple Final Cut Pro › syncing clips 1 at 23.98 and other at 25
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syncing clips 1 at 23.98 and other at 25
Posted by Anita Sancha on August 5, 2014 at 2:02 pmHi
I used 2 cameras to record a talk. But I can’t sync them because the date/times are wrong and FCPX wont do this right … so I am manually matching them. But seems the sync is not working as one was set at 23.98 on one camera and the other is 25fps… The project is 25fps
So other than doing this manually and just stretch retiming from 23.98 to…er ???? I am trying at 96 % to get the sync nearly right? but I am not good at maths. can FCPX do this any other way?.
Thanks
Thanks for all your help
Anita Sancha.Anita Sancha replied 11 years, 9 months ago 3 Members · 10 Replies -
10 Replies
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Robin S. kurz
August 5, 2014 at 2:36 pmSelect the 23.98 clip and select “Automatic Speed” from the Retime menu.
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Robin S. kurz
August 5, 2014 at 2:39 pm[anita sancha] “because the date/times are wrong”
You can batch change them via the Modify menu (second one down).
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Anita Sancha
August 5, 2014 at 2:51 pmThanks
Modify has gone from the latest version on FCPX 10.1.2 ? it was in info. Don’t know where this is now.
Okay to recap.
video is 23.98fps
audio captured at 25fps
project is 25fps..so surely the video should be 96% as it does not let me enter 95.92% but on automatic the setting is retimed at 104% which is speeding the footage up not stretching it.
If I apply the automatic to the audio this is then correct, but if the project is 25fps surly i should adjust only the video.
Thanks for all your help
Anita Sancha. -
Robin S. kurz
August 5, 2014 at 3:09 pm -
Anita Sancha
August 5, 2014 at 3:26 pmSorry don’t know what I was thinking about modify…its there in BIG letters…. but there was a modify on an older version which i used for modifying fps at the bottom of info on the inspector… thats what I was looking for…… for changing fps on clips…. Think that has gone, but automatic is solving this issue. Don’t know why its happened on this project FCPX is usually good at this fps issue.
Tanks Robin
Thanks for all your help
Anita Sancha. -
Walter Soyka
August 5, 2014 at 3:29 pm[anita sancha] “video is 23.98fps
audio captured at 25fps
project is 25fps..”I don’t think you want to alter the frame rate of the video.
Audio recordings don’t have a frame rate. They just run in real time.
Video also runs in real time at its native frame rate.
The video, even though it is not 25 fps, should be matching the rate of play of the audio. In other words, one second is one second. If you were to adjust the frame rate of the video, then its run rate will no longer match the run rate of the audio. One second will become 0.95904 seconds, and it will not match the audio.
Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive | RenderBreak [blog] | Profile [LinkedIn] -
Robin S. kurz
August 5, 2014 at 4:09 pm -
Anita Sancha
August 5, 2014 at 4:30 pmThanks
Okay to recap….
Assuming both cameras /or audio were switched on at the same time exactly and therefore same time length,.i.e 10 seconds.
They should land on the timeline visually looking the same. and 10 secs long. But that is not what is happening.Is this a pref setting to automate that I have not set.? why has therefore FCPX not automated this. There is audio on the video and that is out by 1.02 seconds. or the audio is speeded up? or down? …. but they don’t match.
video is 23.98 canon compact s100
audio is 25fps. canon 60d with audio tascam 60d (used in this case for audio only. as the smaller camera fitted the teleprompter better.)So I only ask now what is best practice.?
a project at 23fps or 25fps?Thanks for all your help
Anita Sancha. -
Robin S. kurz
August 5, 2014 at 4:34 pm[anita sancha] “So I only ask now what is best practice.?”
Checking your camera settings before shooting. 😉
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Anita Sancha
August 5, 2014 at 4:44 pmChecking your camera settings before shooting. 😉
YESSSSS I know…. i was sooooo caught up in changes to the telepromter script…. I went “dead brain” 🙂
LOL LOL
Thanks for all your help
Anita Sancha.
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