Saturday, January 9, 2010

Re: [Avid-L2] Mixing 1080p and I

"chris magid" (09-01-2010 23:12) :

> BIG QUESTION: What does it do to 23.97p material cut into a 60i timeline. IS
> IT APPLYING pulldown on the fly?

It is applying a realtime Blended Interpolated motion effect to the 23.976p
footage, so it will play as 60i. So it would be doing some form of pulldown.
I'm pretty sure that it will apply regular 3:2 pulldown. If you like, you
can promote a motion adapter to a motion effect. Then you would be able to
use FluidMotion, which would yield very smooth results.

> And since it has to be doing it on a clip by
> clip basis how does dissolves between two clips with  "motion adapters"?

No problem. Just performs.

> What happens with 60i material in a 23.97p project?

As said, it's basically a Blended Interpolated motion effect with interlaced
source and progressive output. By converting it to an actual motion effect,
you get all the regular motion effect options.

I'm fairly certain that Terry Curren felt that the default effect was
broadcast ready. Unlike the FCP incarnation of mixed frame rates.

> If this is from a film to
> tape transfer or other file with pull down already in it can "motion adapters"
> remove that pulldown?

I think it will detect it correctly, yes. Also, I'm prettu sure you can
change the cadence setting for a clip, in the new Field Motion column in
bins.

> still have to mix a lot of the older tape based stuff into edits and graphics
> created at 60i. So that is why we like to use 60i projects as the common
> denominator. It is all for broadcast anyway.

I think this is why this feature is of so much benefit to so many editors
and facilities.

You could also choose to go the other way around. Capture/import the 23.976p
footage in a 23.976p project, but edit in a 60i project. Also, you could
switch to any other project format at any point in time as well. If you do,
and open your sequence, you will see that the "other" footage now has motion
adapters.

Another implementation would be if you use 60i footage in 23.976p projects
for pseudo-overcranking. You can use the 60i footage in a 23,976p project,
promote the effect to a motion effect, set the playback speed slower, and
voila.

--
Job ter Burg
film editor - NL

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