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  • How to edit a 2 channel projection?

    Posted by Michel Links on December 7, 2023 at 4:05 pm

    Hello everyone,
    I will soon have to edit a 2-channel projection for an exhibition. This means that I will be delivering 2 files, which will then run synchronously side by side on 2 projectors. My question to you: how can 2 timelines be separated in one sequence? I will create the sequence twice as wide as the footage, so that I can see 2 streams side by side. But how can each stream be edited independently while both are playing synchronously? Is that somehow understandable? I would be happy to receive answers. cheers.

    Tod Hopkins replied 4 months, 1 week ago 3 Members · 2 Replies
  • 2 Replies
  • Mads Nybo jørgensen

    December 7, 2023 at 7:06 pm

    Hey Michel.

    If you can edit all of it on one track, you could do a pic-in-pic effect on each video track, one for left screen, and the other for the right screen. Just remember to remove effect, and export each track individually.

    Second option, if your kit can do it, go 4K or even 8K and have both videos end up on the same master output – just make sure that your projectors can project the half of your video (Left or Right). That way, you know that the video will always be in sync on the playback, as it will play them out from the same device.

    Third option is to stack 3 sequences, and use 2 of them as a subsequence which are layered in the 3 sequence in split mode.

    I am sure that there are smarter people around here who will have additional ideas.

    Please don’t forget to tell us how it all turns out – sounds really interesting.


  • Tod Hopkins

    December 7, 2023 at 8:12 pm

    The details depend on your technical plan and aesthetic intention. In particular, is this going to be two side-by-side projections that simply need to be in sync, or is it meant to be a single seamless image. But the short answer:

    Create a Premiere sequence that is the dimension of your final projection or at least the exact aspect ratio if you intend to edit at a higher resolution than the finished projection. Edit in this as if it is a single canvas. If you will have a clear break between the two projections in the final display, add a dead area to your canvas and mark it with grid lines. Now edit.

    To create the two projection masters, nest your master image into two sequences the exact pixel resolution needed for playback and position the master sequence in these nests to show the appropriate projection.

    Remember if you intend a seamless projection, you’ll need to account for the projection overlap in your master sequence dimensions. Or if you will have a mullion, you’ll want to add a dead area to your master dimensions to account for the gap in the final projection.

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