To Drop-Frame or not?

Do you have questions about Desktop Video, Converters, Routers and Monitoring?
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rpwooste

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To Drop-Frame or not?

PostThu May 16, 2019 2:01 pm

The BMPCC 4K is my first camera with the option to select either Drop Frame or not - for 59.94fps shooting and editing, is it better with Drop Frame on or off? Does it make any difference during editing, playback reliability and support on various devices, or upload to youtube?
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Andrew Kolakowski

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Re: To Drop-Frame or not?

PostThu May 16, 2019 9:12 pm

It's just time code and it means not much at all.
Drop frame TC will sync with real time, but for "home editing" it's not important.
It has nothing to do with quality etc.
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JPOwens

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Re: To Drop-Frame or not?

PostWed May 22, 2019 6:37 pm

Andrew Kolakowski wrote:It's just time code and it means not much at all.
Drop frame TC will sync with real time, but for "home editing" it's not important.
It has nothing to do with quality etc.


For the most part, it's a broadcast deliverable for domestic North American. Broadcasters need a "clock-time" run duration and cue sheet for text, breaks, &c.

DF HR:MN:SC;FF is a kludge to offset the 108 frames that result in a Non-Drop Timeline counting "slow" at 59.94 fields, resulting in a "heavy" hour.

https://evertz.com/resources/The-Right-Time.pdf

jPo, CSI
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Andrew Kolakowski

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Re: To Drop-Frame or not?

PostWed May 22, 2019 7:16 pm

Yes, broadcasters prefer DF as it matches clock time, but you can do whatever you want for shooting as this will matter only on your final render (if it goes to broadcast at all). You can also (at least for MOV) quickly swap DF/NDF even after export (with specific tools).
Other time when it matters is when you're going to cooperate with other people and then all of you should work to the same timecode. Then you decide up front if it's DF or NDF and stick to it.
Point is that timecode is just a metadata which has nothing to do with video or audio itself.

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