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Can you change aspect ratio on DVD?
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Posted by: RoyGBiv

I tried sending out this
questions with a different title. It got no responses and only a few views.
Maybe changing the question will provide more help.

I have a PC burner,
and I have started using DVD Shrink and DVD Decrypter to make some copies of my
DVDs. I have a Panasonic 91 player which will automatically scale "letterboxed"
non-anamorphic 16x9 DVDs. The problem is they have to be correctly flagged for
it to be done automatically. A number of DVDs are incorrectly flagged, and with
the Panasonic 91 it is a real pain to go through the menus and manually zoom the
DVD to get the correct aspect ratio. I believe that these DVDs instead of being
flagged as 16x9 are flagged as 4x3.

Is there a way either using DVD
Shrink, DVD Decrypter, or some other free/shareware to change this flag. That
is, can I copy them to my computer hard drive, "re-flag" them, and then burn
them with the new flag so the Panasonic 91 will scale them
automatically?

TIA

SMK

Posted by: Falco63

Here is a quick summary of using two free
programs (your choice) to do this. You can probably get more help looking at the
guides and searching at

http://www.videohelp.com/

---------------------------------------------

Using
IFOEDIT

After copying your DVD files to hard disk folder

Click
Open, browse to the VIDEO_TS folder, click on the VTS_01_0.IFO file
Click on
VTSI_MAT, in the bottom window and scroll down to 00000200 and double click on
it.
Change the aspect ratio to 16:9 and click OK
Click Save
When asked
if you want to change the BUP file, click Yes.
Close IFOEdit.

If you
want to change menu to 16:9
The VIDEO_TS.IFO in the same folder file
corresponds to the menu, you edit this file.
You do the same thing, only
click on VMGM_MAT, and scroll down to 00000100 and not 00000200.

Now burn
the files to DVD with a burning application (example NERO)

http://www.videohelp.com/tools?tool=IfoEdit

--------------------------------------------------------
USING
DVDPATCHER

If you rip the DVD VOB files with DVDdecrypter or other
program to one VOB/mpeg

Take the resultant MPEG (rename VOB ending) and
patch the 4:3 flag to 16:9 using DVDpatcher.

You can just patch the
header or if necessary patch the whole MPEG.

You will have to reauthor
using a authoring program for DVD files to burn.

http://www.videohelp.com/tools?tool=DVDPatcher

Posted by: RoyGBiv

Thanks for the help. I think the first
method will be the easier, and I will try it this weekend.

SMK

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