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IfoAR2WS is a simple utility to change the aspect ratio to 16:9 in DVD IFO files.

What does IfoAR2WS do?

IfoAR2WS sets the aspect ratio to 16:9 in the video attributes of the *.IFO files of a DVD.

In the screenshot above there are 2 Video TitleSets (VTSs) in the VIDEO_TS folder. The Video TitleSet IFO files (VTS_01_0.IFO and VTS_02_0.IFO) have their aspect ratio patched from 4:3 to 16:9. The Video Manager IFO file (VIDEO_TS.IFO) contains information about both VTSs and it too is patched from 4:3 to 16:9. The BUP (backup) files are also patched as the IFO files.

Note: The aspect ratio for menus is untouched. Only the aspect ratio relating to the Titles are patched.

Note: The aspect ratio for VOBs is untouched. Only the IFO files are patched.

When would I use IfoAR2WS?

IfoAR2WS is useful in the following scenarios:

You have widescreen (16:9) material and you author a DVD. Sometimes you may forget to instruct your authoring software to make a 16:9 DVD and so it will produce IFO files with 4:3 flags. Or some DVD authoring applications only produce 4:3 IFOs.... In both cases IfoAR2WS can correct the problem.

Many standalone DVD recorders don't interpret the WideScreen Switching (WSS) signal from sources over a SCART lead. Thus, even though the source may be widescreen (16:9) it will only produce IFO files with a 4:3 aspect ratio. This is the problem I have with SKY+... SKY+ will not instruct my DVD recorder to record in widescreen! So my solution is:

  1. Copy VIDEO_TS folder from the DVDR
  2. Run IfoAR2WS on the folder on my HD
  3. Reauthor & burn with DVDShrink