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Best way of downcoverting HD Projects?

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toptop1200
Best way of downcoverting HD Projects?
on Mar 13, 2007 at 12:14:50 pm

I am trying to downconvert a couple of HD Projects in Adrenaline. The HD projects are 1080i/50 and I would like to down convert them to 25i SD.

The current (gung ho) work-flow is:

Export as QuickTime 720x576 from the HD project.
Import QuickTime 720x576 into the SD project.

This works, but there seems to be a field issue (zig-zagging style) when playing back the new SD stuff on my production monitor. It looks fine in the Avid, but not on the monitor.

HD is Upper Field First as far as I'm aware and I've checked all the import settings.

Does anybody have any ideas, or know of a better way of doing this?

Thanks.


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mBlaze
Re: Best way of downcoverting HD Projects?
on Mar 13, 2007 at 2:25:20 pm

Can't you Transcode within the Avid from the Consolidate window?

James Burke
Creative Director
mBlaze Multimedia Design, Inc.
http://www.mBlaze.com


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toptop1200
Re: Best way of downcoverting HD Projects?
on Mar 13, 2007 at 3:53:43 pm

That sounds like an excellent idea. I'll give it a try. Thanks.


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toptop1200
Re: Best way of downcoverting HD Projects?
on Mar 13, 2007 at 4:25:01 pm

Okay, the transcode facility won't allow me to transcode to standard def, only DNxHD (DNxHD 120 being the lowest). I'm working on Adrenaline 2.2.7. Is there additional functionality in any of the later releases? Or does anyone have any other down-rez ideas I could try?


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mBlaze
Re: Best way of downcoverting HD Projects?
on Mar 13, 2007 at 7:36:58 pm

You're right - I just tried it as well - no SD. I could have sworn someone from Avid said that was a possible workflow. Do you have After Effects? If so, try exporting out as QuickTime reference, then bring into After Effects, separate fields, resize to SD and then export as SD.

I've never tried this, but separating the fields before resizing, should be better than resizing on export.

James Burke
Creative Director
mBlaze Multimedia Design, Inc.
http://www.mBlaze.com


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FrankB
Re: Best way of downcoverting HD Projects?
on Mar 14, 2007 at 7:31:30 am

There's a tab in the project window that has the format setting of your project. I forget what it's called, I think it's left of the hardware tab. Click that, change it to 25i, now go back to transcode, and you should have SD options.


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toptop1200
Re: Best way of downcoverting HD Projects?
on Mar 14, 2007 at 2:26:28 pm

Works a charm. Thanks.


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