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60i slow motion
I am editing footage that was shot specifically to be slow motioned. It was shot on the 7d and is 60i (59.94). The individual gave the original H.264 footage and prores HQ versions. I am editing in FCP 7.0.3.
What is the best workflow to achieve the best slow motion? Also some parts are suppose to be in regular speed for the final product but was also shot in 60i as well. I’m not sure if that makes a difference in the workflow. I’m not totally sure but just for regular speed stuff it seems to look the best (normal/natural) on a 30 timeline. thanks.
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9 Replies
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Hi Romeo,
I may be wrong, but haven’t heard of any DSLR shooting interlaced.
Rafael -
[Romeo Rubio] “7d and is 60i (59.94)”
DSLR do not record interlaced so it is 60p not 60iYou have to convert both movies. I would start again and convert to ProRes and not (HQ).
On the slow mo, choose the ProRes Progressive Preset, set the framerate to 29.97, then in Frame Control, turn it on and down at the bottom Retiming, choose Play source as 29.97.
Do the same for what you want to be 29.97p but do not turn on the Frame Control. Also for this make sure the audio is set to Enable with PCM 48/16 setting and not pass-through.
Do short clip of each to test.
You can slow down the clips in Cinema Tools also (I just use compressor by habit)
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mixed up progressive and interlaced, my bad. I tested it on a short clip. I encoded it in Compressor as you stated and then dropped them into a 29.97 timeline in FCP. The “regular”clip, with the play source as 29.97 is great and plays like I want it to. As for the slow mo clip, it is already at half speed. Will I be able to further toggle the speed in FCP’s Change Speed and maintain a fair amount of quality? Should I implement flame blending or no?
gracias
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Send your footage to motion. Under the properties, roll open timing and then change the timing to “optical flow”.
This will use some technology from shake (which is also in compressor) to create new synthetic frames which look outstanding compared to FCPs frame blending. Then you can play around with the retiming behavior.
Best,
Jeff G
Apple Master Trainer
Avid Cert. Instructor DS/MC
Avid & Color Videos Vasst.com
Compressor Essentials Lynda.com -
FCP does ‘frame blending’ – essentially a dissolve between the frames it has.
Motion does an optical ‘morph’ between the frames. It will look much cleaner (but results in a huge file.)Best,
Jeff G
Apple Master Trainer
Avid Cert. Instructor DS/MC
Avid & Color Videos Vasst.com
Compressor Essentials Lynda.com -
If you need to further slo down the clip you can do it in FCP but it will look like crap. You can do a much better job in Motion with the use of Optical Flow encoding. There are also plugins that you can use in FCP but they are for purchase (Twixtor).
check out – https://vimeo.com/17905045
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Being Interlaced stuff, there is a much better way to get a very good Slow-mo (almost as good as overcranking and much better than any optical flow).
You need to convert your i50 stuff to p50 (ReVision-FieldsKit), then Conform your p50 to p25.
rafael -
I implemented the optical flow in Motion. Those render times were horrendous but I guess that’s how it goes with all the immense calculations going on. Once back in final cut, should frame blending be clicked on or off for that clip?
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When you come back,you have a motion clip in the timeline. Leave it alone. Render.
Best,
Jeff G
Apple Master Trainer
Avid Cert. Instructor DS/MC
Avid & Color Videos Vasst.com
Compressor Essentials Lynda.com
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