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Different type of fast Retime

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Brian Thomas
Different type of fast Retime
on Oct 13, 2017 at 12:16:06 pm

I have over an hour of a theatre set being dismantled taken with a fixed camcorder. In past shows I've simply speeded the whole thing up to fit the rolling credits and selected music but I was wondering if there is an effect (or technique) that instead of removing every so many frames (speeding up) that would instead leave, say, a couple of seconds of footage and then delete a whole lot of frames before the next couple of seconds. Perhaps between each of the collections of kept frames there might also be the possibility of adding a short cross dissolve transition...?

Looking forward to any guidance here and thanks in advance.

FCPX and PPro 6. iMac 24 + MBP 15". Near Geneva, Switzerland


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Jeremy Garchow
Re: Different type of fast Retime
on Oct 13, 2017 at 9:23:45 pm

Look up the "jump cut at markers" function in FCPX.


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Brian Thomas
Re: Different type of fast Retime
on Oct 14, 2017 at 8:20:33 am

Thanks for that Jeremy and that certainly looks a great way to go. However, I do have over an hour of this material and I was wondering if you or anybody else knew of a way to easily insert the markers at regular intervals, say every 4 seconds or so? I know I could sit there and hit m over and over but....

FCPX and PPro 6. iMac 24 + MBP 15". Near Geneva, Switzerland


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Jeremy Garchow
Re: Different type of fast Retime
on Oct 15, 2017 at 2:49:44 am

Not sure how this could be done without some manual work.

Hit ‘m’ to leave a marker, control-p to move playhead command, “+4.” to move it ahead four seconds, then hit m and start that process over.


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Brian Thomas
Re: Different type of fast Retime
on Oct 15, 2017 at 8:33:53 am

Many thanks again for the idea Jeremy. Unfortunately the "jump cut at markers" gives a strange effect in these circumstances as it doesn’t leave physical cuts where I can insert Cross Dissolves. Those are vital for me.

In the end I did the following which I’m writing out in detail in case it could help some other relatively inexperienced user:

1) Select the clip and position the CTI at the END of the clip

2) Press J (maybe twice to speed things up) for a ‘longish’ clip of say 15 or more seconds. (‘Longish’ clips are those that will be deleted at the end of the process). Press the spacebar to stop the CTI and then press Cmd-B

3) Press J and leave for about three seconds, press the spacebar and then press Cmd-B. This gives a ‘shortish’ clip. All the 'shortish' clips will be kept and cut to the same duration in 6)

Repeat 2) and 3) until the beginning of the original clip is reached.

4) Using the Cmd key, select all ‘longish’ clips one by one and delete them

5) Select all remaining clips, ie. the ‘shortish’ clips

6) Ctrl-D and enter, say, 200 to make all remaining clips 2 seconds long

7) Leaving all the clips selected, double click on Cross Dissolve.


I was really lucky and the resulting length gave me just about what I had in mind. I made a minor adjustment to the music length. overlaid my scrolling ’Credits’ title and at least my wife is really impressed!

FCPX and PPro 6. iMac 24 + MBP 15". Near Geneva, Switzerland


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Jeremy Garchow
Re: Different type of fast Retime
on Oct 15, 2017 at 9:50:09 pm

[Brian Thomas] "at least my wife is really impressed!"

Nice work!


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Brian Thomas
Re: Different type of fast Retime
on Oct 17, 2017 at 11:59:47 am

Here's a little bit of how it came out in the end:







I'll be doing more of that in future productions :-)

FCPX and PPro 6. iMac 24 + MBP 15". Near Geneva, Switzerland


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