Looking for advice: Exporting from captured NTSC 720x486 Motion JPEG to Mpeg2
by SSloan
on
Dec 22, 2006 at 3:52:45 am
Hey all. I figured I'd post this here as opposed to DVD / encore etc. Since we're all using the Blackmagic cards.
I have some NTSC digibeta footage captured via a Decklink HD extreme card in the Motion Jpeg codec (nice codec btw). I usually use Premiere Pro 2.0 and Encore to author DVDs - running into some major (or not major?) issues on a current project. I'll list off my workflow - perhaps someone would have ideas or would like to post how they get through this? The key problem right now is that my final Mpeg2 looks great on a TV (hd or SD) but ends up looking a little interlaced on a pc (I know, a relatively common trouble). Doesn't bother me, bothers the client. I don't like the blurry look of the video Deinterlaced, so I'm trying to find another way to approach this.
* Footage is NTSC MJPEG 720x486 AVI.
* I have exported a clipped, color correct Mjpeg from Premiere to encode a DVD with - I've found hat encore needs me to export this upperfield, otherwise standalones can't play the final Mpeg2 without ghosting.
* High quality, VBR mpeg2 transcoded in Encore looks great on a standalone - produces a slightly jagged result on a PC display though.
So I suppose my main question is - how are you all doing this? And my secondary question would be what gets you the best results? I have access to a encoding machine with Procoder2, usually used for pal > NTSC conversions etc. Would procoder respond better to this motionjpeg footage? Is the field order of the 720x486 file causing my troubles?
Open to anything -looking forward to hearing your trials and tribulations.
Re: Looking for advice: Exporting from captured NTSC 720x486 Motion JPEG to Mpeg2 by rafalaos on Dec 30, 2006 at 12:35:01 pm
Hi,
I work with a completely different equipement (Mac, FC and Compressor and in PAL), but just to point you that if your film looks well in an interlaced monnitor, the field order is correct. In the scens with a bit of movement would look horrible if wrong. Quite often these images look not so good in a not interlaced (PC i.e.) monitor. That is more noticiable in the images with movement. To avoid this or you use a movie player that allows playing single-field or deinterlaced as the QT player do. Or make a deinterlaced version to be played in computers.
And, just a thought, Encore should accept upper or lower-first movies. As long as I now all NTSC is lower-first (isn't it) and I wouldn't understand the need of changing the field order to every single DVD made with Encore.
Salud and happy 2007.
Rafael
