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DVD burnPosted by Darryl Palmer
Hi,
I have finished my program and outputted to tape but want to burn a few DVD copies for my clients. I have created a quicktime file of the sequence and then dragged it back into iDVD. After the burn, I watched the program and it ahs this weird horizintal interlacing. On static shots (locked off interviews) it looks fine but any shots with movement (pans especially), there are strange horizintal lines acroos the screen. They are quite wide and there are about 20 of them top to bottom. Everything seemed to go fine except the final look of the product?! Any suggestions as to what might be wrong? Thanks in advance! Darryl
the project was shot on a variety of formats including Beta SP. The sequence settings were 8bit uncompressed. The quicktime looks fine, it's just the DVD that I burned. On an NTSC monitor (TV), it looks like crap, but only on shots that have movement. Again, a static shot looks fine. So no Koz, it doesn't look right on a stand alone system.
Thanks for your help. Darryl
<<<a variety of formats including Beta SP.>>>
The BetaSP should have looked fine. It's the variety of formats I'm worried about. This is an interlace artifact and happens most often on computer monitors when the scan of the display or monitor is different than the show. Like refresh is 75 but the show is NTSC 29.97. If it's happening on the finished and burned DVD, then one of those formats may have been progressive, or a standard conversion from PAL (assuming NTSC) or something wacky like that. Koz
is the "quicktime" a reference movie from FCP? if so, try making one that's self-contained and see what's up.
i'd also try compressing to another format - like h.264, but make it a large size and high quality and self-contained. i'd try to get away from the origianl edited footage in case that's the culprit. anyway, i'd play around and see if it makes any difference. i might also try importing to after effects, render it out again and see what that does. or resave in quicktime. i agree, this sounds like an out of sync interlacing issue to me, too, which is why i'd play with it in different formats and such. heck, if this got completely uncorrectable, i might even export the whole thing as numbered, sequential tiffs and reassemble the whole maguffin in after effects. heavy-handed, but it removes the interlace issue from discussion. ooh - how about this - export a still image from your sequence where you know there are problems - is it still weird on the graphic? and have you burned another disc? could this be a burner/disc issue? i dunno, grabbing at straws with you, bud. good luck. HarryD
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