Best Workflow for editing Interlaced Footage to Final Progressive Video Project

Question

There have been a few posts recently about .MTS files causing issues on 25.3.

Some report lack of Audio which can often be no AC3 Codec due to Windows 11 24H2.

This got me looking back at my old (Circa 2011-2013) Panasonic AVCHD MTS footage from several travel trips.

I've also got a stack of DV tapes of travels as well - but I have a decided approach to them.

With .MTS files I can either :

1) De-interlace all footage up front using my Topaz Video Ai batch convert to Progressive Video and also convert AC3 audio at same time. This also allows some sharpening tweaks /denoise if required.

Then edit all in progressive as normal and Export as HD progressive video

2) Keep all clips as Interlaced and have an Interlaced sequence to edit. Then do a final Export as Progressive. I think I saw a note somewhere on the Forum suggesting exporting to low compression Progressive Codec initially like ProRes to improve quality if original clips are 4-2-0 8 bit. (Can't find post/article)

The first approach gives a bit more control of tweaking clips first and transcoding audio.

Second approach could be quicker but is it better?

What would be a seasoned editor's approach nowadays with Interlaced footage if it is not destined for Broadcast?

R Neil Haugen · Accepted Answer

Quite often, Premiere handles the change fine without user intervention. You're starting with interlaced clips ... but first, create the sequence you want to export in ... say, 25p ... with the correct audio tracks of course.

Then drop the clips on that sequence in the timeline panel, and keep sequence settings when the dialog pops up.

But as with everything, you need to test your media on your setup. You do get a more reliable test if your monitor actually refreshes at either your sequence framerate or double that.

JonesVid · Answer

Thanks Neil. So you would import interlaced clips into the 25p timeline rather than edit in an interlaced sequence - then export as progressive video ?.

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