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Standardizing Frame rate to 29.97

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Jeff Mueller
Standardizing Frame rate to 29.97
on Nov 12, 2015 at 6:10:10 am

I shot with my Canon XLH1 (29.97i HDV), my second camera guy shot with a Sony fs700 (AVCHD). He wanted to shoot high speed, which I agreed to, but I figured he'd shoot 59.94 and I'd simply double the speed. That doesn't seem to be the case.

(I was going to use PP CS6 but bailed, a long story) After bringing everything into FCP 7.0.3 as Pro Res 4:2:2 (the Sony stuff came through Log & Capture and my Canon footage was via HD SDI and a Black Magic mini Deckline recorder) My footage shows as 29.97 and the Sony footage shows as 23.98. It's clearly slow mo, but taking the speed to 200% doesn't sync it, so I'm thinking it was shot at 47.96? According to Sony the fs 700 can shoot at:

PS: max 28 Mbps, 1920 x 1080/60p, 50p (16:9)

FX: max 24 Mbps, 1920 x 1080/60i, 50i, 30p, 25p, 24p (16:9)
1280 x 720/60p, 50p (16:9)

FH: approx. 17 Mbps (average), 1920 x 1080/60i, 50i, 30p, 25p, 24p (16:9)
1280 x 720/60p, 50p (16:9)

HQ: approx. 9 Mbps (average), 1440 x 1080/60i, 50i (16:9)

LP approx. 5 Mbps (average), 1440 x 1080/60i, 50i (16:9)

HQ: approx. 9 Mbps (average), 720 x 480/60i, 720 x 576/50i (16:9, 4:3)

How do I know, and can anyone suggest a correct speed?

Thanks,

Jeff

Jeff Mueller
http://www.ApertureVideos.com
Santa Barbara, CA


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Dave LaRonde
Re: Standardizing Frame rate to 29.97
on Nov 12, 2015 at 10:29:56 pm

How are you playing the problem footage back to determine that it's clearly slo-mo?

Please describe the process for viewing this. Frame rates of footage in FCP Browser and timel;ine would be especially enlightening... that is, if you're using FCP to judge.

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


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Jeff Mueller
Re: Standardizing Frame rate to 29.97
on Nov 13, 2015 at 12:42:38 am

Hi Dave:

I am viewing the footage in FCP and have put the clips into the timeline on top of my other camera's footage and they will not sync up.

My sequence is Apple Pro Res 29.97, clips from my camera show as 29.97. Clips from the Sony camera show as 23.98, (They were converted o Pro Res on import) which puzzles me as I thought the shooter was giving me 59.96. It is clearly over-cranked but even when I set the clip speed to 200% it appears to me to be slow mo. The clip I'm working with is a bit tough to judge lip sync off of, so I'm going to try another one, but any guidance much appreciated.

To make things tougher I'm having a glitch with the FCP 7 interface where clips I paste into the timeline sometimes don't appear or only partially appear (they're there when I play it, they just don't show up and markers don't show either plus the graphic for audio levels in Viewer doesn't always show). Annoying when trying to solve a sync issue. Has anyone else had this?

Jeff Mueller
http://www.ApertureVideos.com
Santa Barbara, CA


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Dave LaRonde
Re: Standardizing Frame rate to 29.97
on Nov 13, 2015 at 4:46:40 pm

As the Good Mr. Ross recommends, it's time for a heart-to-heart talk with that other shooter. I suspect there was a communications snafu someplace, and you didn't get what you expected.

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


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Shane Ross
Re: Standardizing Frame rate to 29.97
on Nov 13, 2015 at 12:14:27 am

Contact the shooter and ask what frame rate they shot.

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Jeff Mueller
Re: Standardizing Frame rate to 29.97
on Nov 13, 2015 at 11:34:02 pm

Working on that, but it does seem to be an FCP issue or something about how I brought the files in. I looked at it in PP CS6 and it syncs up fine at 100% speed from the original files which came in as 23.98. But being AVCHD they're a bit jerky in the viewer, so I'm compressing them to Pro Res @ 29.97 and that takes away the lag. I guess I'll cut this in PP. Have to redo some work, but cest la vie.

Best,

Jeff Mueller
http://www.ApertureVideos.com
Santa Barbara, CA


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