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Very strange: clip has 2 video tracks?

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Dan McGuire
Very strange: clip has 2 video tracks?
on Jan 17, 2019 at 10:21:36 pm

Hi, I am trying to drag a SD clip into a new Premiere timeline.
When it appears in the timeline, the video track is doubled and there is one audio track.
I can't delete one of the video tracks, and the audio does not play in the timeline,, though it does play in the viewer.
Suggestions?


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Dave LaRonde
Re: Very strange: clip has 2 video tracks?
on Jan 18, 2019 at 1:46:50 am

What kind of clip is this? Please give details!

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


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Dan McGuire
Re: Very strange: clip has 2 video tracks?
on Jan 18, 2019 at 2:40:24 am

It is just an SD NTSC Prores422 clip from a miniDV original from around 1997.


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Dave LaRonde
Re: Very strange: clip has 2 video tracks?
on Jan 18, 2019 at 6:19:22 am
Last Edited By Dave LaRonde on Jan 18, 2019 at 6:05:48 pm

Well, it certainly didn't START life as ProRes 422! I'll bet it was captured into FCP as DV and exported as ProRes.

Tell you what -- you got Quicktime Pro? It's still pretty handy to have. Open that clip in QT Pro, and examine the clip contents -- there's a window you select at the top. You may find an answer to your conundrum.

I have a sneaky feeling there may be a DV video track and a ProRes video track on that clip.

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


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Dan McGuire
Re: Very strange: clip has 2 video tracks?
on Jan 18, 2019 at 9:58:35 pm

Actually, no, it was a BetaSP dub (of the original DV tape which was lost) that was digitized to prores. The specs look like this when I open it in QT Player:


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Bouke Vahl
Re: Very strange: clip has 2 video tracks?
on Jan 19, 2019 at 9:34:27 am

How do the tracks look? Identical?
It is very well possible the clip has a thumbnail baked in, and that is displayed as a track, but omitted in playback.
There are two mono audio tracks, but they probably belong to the 'good' video.

You could use FFmpeg to strip the second track, or perhaps turn off one of the tracks in QT7 pro.
(Or delete it, and do a 'save as' to flatten it without the track.)

If it plays in the viewer, it can be rescued without any quality loss.

Bouke
http://www.videotoolshed.com


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