Gordian Knot and interlaced content

[gob]

What really happens when you choose ´None´ in ´Field Operations´ and you are encoding an interlaced dvd-video? The finished .avi is obviously not interlaced anymore, so how is the deinterlacing done? Anyone know this?

[jggimi]

If Field Operations are set to none, the default, then the only adjustment to the source video is cropping, resizing, and undotting. If the source has interlaced artifacts, they will remain ... unless ... the resizing eliminates them. For example, reducing the source resolution in half -- for example, from 480 or 576 lines to 240 or 288 -- will effectively eliminate interlacing artifacts.

See www.doom9.org/ivtc-tut.htm for more details on both Telecine and Interlace artifact management.

[manono]

Hi-

Is this a PAL DVD, by chance? If so, exactly how did you determine it was interlaced? If you only relied on what DVD2AVI told you, then the chances are good it wasn't interlaced in the first place.

If that's not it, then probably jggimi already gave you the answer.

[gob]

yes it was PAL and I think it was interlaced because there where some ´mice teeth´ in the picture. (and dvd2avi said interlaced).
The thing is you cant really go from half resolution fields to full resolution frames without doing *something*. I guess it means that 2 fields get smacked into one frame, but I need to read up some more I think.

thx for the answers :)