Thursday, December 10, 2009

[Avid-L2] Linking 1080 FLX files to 30i dubs

I'm working on promos for a show that isn't delivering cuts yet, so we are working mostly from dailies. We happen to be getting dailies in the form of DVD burn-in screeners which isn't so bad. I came up with a process of ripping them with MPEGStreamclip to 20:1 QTs on the tower and our laptops, then fast importing them with MC on my own laptop and then copying the media files over to the Avid. I brought in 18 hours of footage in 5 hours, and the only interruption to my editing was when the Avid rebuilt the databases after I copied the media over.

Once I had the QTs in Composer, I modified the source to match the daily reel, and modified the TC to match the burn-in so everything matched up in online, which is done at 30i. What takes a lot of time however is subclipping and naming all of the takes.

We just got copies of the FLX/ALE files, which I figured would be a huge timesaver. I could import them as subclips, match up sources to the imported DVD QTs, then relink. Unfortunately this doesn't work because the ALEs are all 1080p.

There are two ways to go from here- find a way to remove the pulldown from the QTs to turn them back into 24 and edit with a mixed format timeline in MCv.4. I'm sure that would involve some lengthy tanscoding which might take longer than overnight, and temporarily require double the disk space. Also I'm not certain the timecodes would reliably match up with the original HDCAMs.

Instead, is there a program that can process the ALE or FLX files to convert them to 29.97? Is there a way to import them into a 1080 project and get them turned into 30?

The simplest thing of course is to batch capture them from tape, but that is real time and SR deck usage costs extra.

Ian Johnson

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