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Best method to export M2V from captured digibeta footage?
Hey all,
I have 2 NTSC projects; both captured via a decklink card from digibeta (one uncompressed, the other motionjpeg). After some small color adjustment and edits – i’m exporting these to m2v & then to encore. When I export it lower field (the default) CBR 7m or VBR 7m the final dvd looks good on some players & all computers and awful (deinterlaced ghosts) on others. Deinterlacing exports seem to look good – but something tells me that isn’t the way a finished DVD should be exported from a source like this.
Would importing the captured video straight into encore yield a better result? Should I be using upper field exporting (not doing this as I thought NTSC was low and PAL up). I’m using the out-of-the-box Adobe Media Encoder.
Anyhow, appreciate any advice and help in advance … driving me a bit crazy.
Thanks!
S.
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5 Replies
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While Digital Video (DV) is lower field first (NTSC and PAL) all bets are off on analog video. Its pretty obvious (on a TV) when the fields are reversed…motion is real jittery. A PC monitor cannot be useful to determine if the video is interlaced and if the field order is correct.
With 2 different sources, I would experiment with a short DVD with a bit off both sources to be sure. To deinterlace or not is a personal choice, the look is slightly different on a TV, but niether is wrong.
Encore and Premiere use the exact same encoder with the same settings, so I export from Premiere as Mpeg and author in Encore for Dolby and other options that Premiere authoring lacks.. -
Thanks for the response. Appreciate it. I had deinterlaced things in the past that were ultimately meant for a computer playback – definitely a choice on which way you want the motion to look.
For telling if the field order is correct, how would you notice on a monitor? Should there be no obvious signs if the video was exported proper?
Thanks,
S.
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The most obvious effect of a reversed field order will be stuttering in motion areas, and pans.
Vince
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Viewing interlaced video (proper field order or not) on a progressive scan device such as a PC monitor will not help with diagnosis of field order.
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Thought I’d update on my tests and what I found. Hopefully it will help someone? Perhaps someone has something to add?
Anyhow. I exported my footage captured by premiere as mjpeg footage (what it was when I captured). I set it as upperfield (even though it claims it’s lowerfield). I then import that AVI into encore – when encore transcoded this it looks correct. No M2V I exported from Premiere looked good on a standalone unless I de-interlaced it. I will note – I was cropping the output from premiere …. note sure if this messes up the field order? Perhaps I should have ‘clipped’ instead?
ideas, solutions. Thanks for the replies!
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