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Canon XH Series HDV Camcorders
Canon XH G1S / G1 (with SDI), Canon XH A1S / A1 (without SDI).


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Old August 26th, 2008, 11:54 PM   #1
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Moving Camera Yields Glitchy/Flickering Footage

Can someone tell me what is happening here? (password is "wtf")

60i / Shutter at 60 / everything Manual / stabilization off

Captured 60i via cineform. Exported to h.264 via adobe media encoder. Tried every possible combination of h.264 export settings.

Thanks for the help.

Last edited by Brandon Hammonds; August 27th, 2008 at 10:41 AM.
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Old August 27th, 2008, 01:02 AM   #2
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When you export to h.264, what is the key framing set to? default is 24, try setting it to 1 first. It will take much longer to render, but if that solves it, then try changing the key frame rate to 23 or go up to 30. I believe it's a render issue. does it do this with other formats?

btw, looks great, using a jib? what kind?
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Old August 27th, 2008, 01:51 AM   #3
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I don't know if this applies to Cineform and/or Adobe Media Encoder, but Quicktime defaults to keyframe every 24 frames & for the Animation codec, this would be correct. But for NTSC I've read it should basically be 10 times the frame rate... 30fps = key frame every 300 frames. It may be different for a h.264 codec though.

Just curious, why would you capture 30p with 60i footage? Why not just shoot 30f to begin with?
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Old August 27th, 2008, 10:41 AM   #4
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Thanks, guys. I'll play with the keyframes.

Adrian, when I exported to .wmv I did not have the issue. As for the jib, I'm using the camcrane 200.

Bill, I don't know what I was thinking -- I did capture 60i.
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