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Michael Dominic
Interlaced Output?
on Nov 3, 2016 at 2:35:03 pm

Hello,

I want to see my project interlaced. I do not have a calibrated monitor, but I need to see the moiré issues that the interlacing is causing before I send it over to the Avid team.

How can I do this?

Thanks in advance.


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Dave LaRonde
Re: Interlaced Output?
on Nov 3, 2016 at 3:57:03 pm

1920x1080 is Upper Field First.
1280x720 has NO interlacing.
720x480 is Lower Field First.
720x486 is Lower Field First
640x480 is Upper Field First.

That ought to get you started.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Michael Dominic
Re: Interlaced Output?
on Nov 3, 2016 at 4:02:24 pm

Thanks, but this isn't what I am asking.

I have a project that shows moire when in Avid on a calibrated monitor. I can't see it in AE orin QT.

I would like to be able to identify the issues.


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Dave LaRonde
Re: Interlaced Output?
on Nov 3, 2016 at 6:24:06 pm

We don't know a thing about that Avid monitor. Is it just a ciomputer monitor or a REAL broadcast TV video monitor?

There's a difference.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Michael Dominic
Re: Interlaced Output?
on Nov 3, 2016 at 6:33:51 pm

The question is not about their monitors. Assume that they are looking at them on both. My question is how can I see the moire on my iMac. I have the 4K latest iMac.


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Dave LaRonde
Re: Interlaced Output?
on Nov 3, 2016 at 6:47:15 pm

We don't really know what you delivered to the other guys. Was it progressive, or interlaced and in the proper field order?

Interlacing appears on many computer monitors as annoying horizontal lines in areas of the clips with a lot of motion. On a real video monitor, it looks fine. Moire is annoying patterns in areas of fine detail or at the edges of items in the image. Let's make sure we're talking about the right thing.

Interlaced delivery is ONLY for broadcast or DVD/Blu Ray. Everything else ought to be progressive. So it is helpful to know the ultimate use of this video.

And if it is indeed Moire, we'll need to know about the provenance of the video. Stuff shot on a DSLR (or other cameras with highly-compressed recording codecs) is notorious for Moire, and it's tough to get rid of, i.e. it's not something you do automatically.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Michael Dominic
Re: Interlaced Output?
on Nov 3, 2016 at 8:59:49 pm

Its not video. They are tifs.

The monitor they have has an interlaced setting.

All I want to know is after I export the Avid video file is there a way for me see it interlaced?


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Jono Gaughan
Re: Interlaced Output?
on Nov 3, 2016 at 9:26:32 pm

[Michael Dominic] "after I export the Avid video file is there a way for me see it interlaced"

Import your Avid video file into AE and interpret the footage as interlaced.


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Jono Gaughan
Re: Interlaced Output?
on Nov 3, 2016 at 8:06:12 pm

Have you tried interpreting the footage as interlaced within AE?

Right-click the file in the project window > Interpret Footage > Main > Set "Separate Fields" to either Upper or Lower.


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