Progressive footage for DVDSP

I've been doing some experimental encodes from compressor as a result of 'white papers' on a few forums. I imported interlaced footage into compressor and using encoding options exported it as a 'progressive' mpeg2. Opened DVDSP and added a track. Never noticed it before but DVDSP reports the track as interlaced even without placing the footage on it. When I place the 'progressive' footage on the interlaced track DVDSP still reports the track as interlaced in the inspector?
There is no option in DVDSP to change the track from interlaced to progressive.
Whats's going on here?
Is 'interlaced' an unchangeable default format in DVDSP.
Is it therefore a waste of time DE-interlacing footage with compressor before importing it into DVDSP.
Is DVDSP RE-interlacing the footage?
Peter

Thanks for the response. Here's the whole story. I bought a Sony HVRV1 shooting Pal 25fps, as it boasted 'Progressive' but it also shoots Interlaced. The short story is that it turns out to be 'progressive segmented frames, laid to tape as interlaced' I had a load of problems finding this out. FCP treats it as interlaced, won't recognise it as progressive.
So I abandoned the 'Progressive segmented frames' and shot Interlaced.
As a result of 'authoritative' articles on a well known forum everyone was advised that we 'must' deinterlace. More red herrings. I took this advice at its word and I'm at this juncture now having wasted over a week encoding interlaced footage to progressive to find out from yourself that the DVD spec is by default, interlaced. I'm grateful for the heads up,thanks.
One more thing you say
"Material converted to progressive with Compressor will look better on progressive displays (such as computers) because you're scrubbing away the interlacing, so there is some benefit to that"
All computer media players that I use will deinterlace footage for viewing anyway so any encoding is pointless. Picture the process. The footage is interlaced, encoded as progressive by compressor, reinterlaced by DVDSP? I couldn't see how this would improve how it looks, seems it might be why I'm so disappointed in the quality of my DVDs.
I think you've solved my question and I'm one step closer to getting a 'clean' workflow.
Thanks
Peter

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Just curious if anyone actually knows. We already know that DVDSP does not do progressvie DVDs and we are expected to feed it interlaced footage so knowing that a lot of work comes to us in various codecs with a load of it all progressive in one flavour or another what is happening in DVDSP to this progressive footage before DVDSP writes the DVD. Does it actually introduce interlacing in some way ? If so how does this affect the quality of the post interlaced progressive footage.
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Hi Peter - are you using DVDSP to encode video? The encode settings in DVDSP preferences are rudimentary to say the least and do not give you access to all of the controls that you need to get the job done well. The encoding is there to cope with menus more than video, and although DVDSP will encode anything not already converted to MPEG2 you really shouldn't use it if you want to control anything in the process. It's the old adage "just because you can, doesn't mean you should"...
The video really needs encoding using Compressor (or any other suitable encoder) to get your video and audio files to import into DVDSP. If you do this you shouldn't get any interlacing (provided you didn't add it as part of the encode in Compressor).
DVDSP won't re-encode your MPEG2 file... thus you should get progressive output from DVDSP if that's what you gave it.

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1. Is this true?
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2) ... field-dominance is a matter with interlaced footage ... in the older days, the many lines of a frame were splitted into two fields: even and odd lines. and funny as engineers often like to be, the odd lines (1,3,5,7,9, ... = don't neccessarily have to be the first (=dominant) field (.dv for instance: 'first' field is the even one 2,4,6,...)
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I was following the DVD step by step web page create a menu for DVDsp, and it say to export the movie from FCP as a background. How do I do this?
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When you expert from FCP the video can be used as a menu background. There are two things to consider:
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Here you are
Greetings
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never Double Click on Submit
Message Edited by j_dodek on 08-05-2008 08:05 AM
=s=i=g=n=a=t=u=r=e= Click on the Star and see what happens :-) =s=i=g=n=a=t=u=r=e=
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Progressive footage for DVDSP

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