remove ticker / crawler from bottom of MPEG2 capture with AutoGK?

[gregconquest]

I am trying to use AutoGK to crop the bottom ticker, or crawler, during the conversion to XviD from a CNN documentary I captured.

I noted from TmpegENC the number of pixels I needed to crop, but when I entered that info in the Hidden Options screen of AutoGK (using <CTRL>+<F9>), it didn't do at all what I wanted. "Autocrop", "Tune", "Override Input AR", and the "AR field", I changed them all but the resultant video was WAY too much cropped. I tried to clip 54 pixels off a standard MPEG2, and it was cut in half, nearly... or it wasn't noticeably cropped at all...

If I want to force it to crop and output a slightly elongated video (4/3 = 1.333, so my 10% crop of the bottom should be 4/2.7 = 1.48 AR):
- should "tune auto-crop parameters" be checked? I don't understand the relevance of the other numbers there -- well, the four "Force cropping" ones I can figure out ;-)
- How about "Override input AR"? If unchecked, it doesn't matter what is in the three "AR" checkboxes on the right, right?

The only guide I could find on this was here:
http://www.doom9.org/autogk-assistant.htm
but this doesn't define the functions of the options clearly.

A search for:
AutoGK "hidden options" "Override input AR" "tune auto-crop parameters"
shows the above guide and my original question on this subject here:
http://forum.doom9.org/showthread.php?t=129524

So, this information is not really made clear anywhere.

Thanks,
Greg

[manono]

Hi-

There's a tutorial included with AutoGK and also online:

http://www.autogk.me.uk/modules.php?name=TutorialEN#6

You don't want to mess with 'Override Input AR'. You make a D2V project file using DGIndex, open it in GKnot, and in the Resolution Tab crop it the way you like, and then transfer those same numbers into AutoGK, as explained in that tutorial:
If you disable autocrop with threshold 0 then "force cropping" option becomes fully manual crop. Remember always to check how movie looks like after you set new auto crop parameters using Preview function of AutoGK.

[CWR03]

Try encoding with Gordian Knot, which I mentioned in your other post on the same subject.