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Do Different Sequence editing modes really Matter?

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Rich Kaelin
Do Different Sequence editing modes really Matter?
on Dec 8, 2015 at 3:22:16 am

So, We recorded some footage at the camera and via SDI out onto a NanoFlash unit. The NanoFlash should be an XDCAM codec, but with 422 color at 50 Mbit, verses the camera which is XDCAM EX 420 @ 35 Mbit.

If I take a clip from each and drop them into the New sequence area below, which should crate a sequence with the most appropriate settings for the footage, the camera XDCAM EX @ 35Mb footage yields a sequence set to editing mode set to AVCHD 1080p square pixel. The NanoFlash XDCAM EX @ 50Mb footage yields a sequence set to editing mode set to AVCiIntra 100 1080p 60Hz.

Neither of these match any of the XDCAM setting I would have defaulted to, but does that matter? At the end I will just have to export the sequence to a different format, like prores or MP$. Would it ever really matter. This has me a bit confused. Is there a good explanation available of how these presets work and how choosing one could positively or negatively impact work flow anywhere?

On a side note, all of the time code on the NanoFlash seems to be about 6.5 seconds late compared to the camera...once I find a visible match, the camera has a TC of 1:00:00:00, the nano will record a TC of 1:00:06:14 for the same frame. Time code is embedded in the SDI, used to trigger nano recording. any guesses why this happens? Just curious.

Rich Kaelin
Kaelin Motion Production Services
New York

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