DVD2DAPH question..

[JoeB]

It seems that the daphne chat board is REALLY slow.. so I figured I'd post my question here as well..

So here goes:


I'm trying to understand a few things about the way DVD2DAPH 3 works, and I can't find the answers on any of the forums here.

I'm trying to get the best possible quality from my 20th anniversary edition to run on my MAME/DAPHNE arcade machine. I'm running a 25" arcade monitor with ArcadeVGA.

I still have to test if my monitor can do 720x480, but I'm running the game at 640x480 now. The monitor can't do 480 lines progressive (what standard arcade monitor can??) so it really runs the game 480 lines interlaced (like a standard TV).

Here are my questions:

1) Why is the video resized to 640x480 from the original DVD resolution? What resolution is the original MPEG1 on the DL laser disc? Apart from the need for a better CPU/HD space (no problem here) what other advantages are there for resizing to 640x480!?

2) I've been examining the AVS files generated, why is Telecide() used? My arcade monitor runs at 60 fields per second, if I convert to 24fps (from the standard NTSC 30 fps) then it will probably look wierd. I can imagine Telecide/decomb would only benefit PC monitors, no?

3) Is there any disadvantages in changing the vob2m2v.bat to read:

bbdmux %1 0xe0 %1.m2v

This way DVD2DAPH simply demuxes the video from the VOB file and I use it in my setup? (resulting in no modification to the video from what is already provided).

[Buddabing]

It seems that the daphne chat board is REALLY slow.. so I figured I'd post my question here as well..

So here goes:


I'm trying to understand a few things about the way DVD2DAPH 3 works, and I can't find the answers on any of the forums here.

I'm trying to get the best possible quality from my 20th anniversary edition to run on my MAME/DAPHNE arcade machine. I'm running a 25" arcade monitor with ArcadeVGA.

I still have to test if my monitor can do 720x480, but I'm running the game at 640x480 now. The monitor can't do 480 lines progressive (what standard arcade monitor can??) so it really runs the game 480 lines interlaced (like a standard TV).

Here are my questions:

1) Why is the video resized to 640x480 from the original DVD resolution? What resolution is the original MPEG1 on the DL laser disc? Apart from the need for a better CPU/HD space (no problem here) what other advantages are there for resizing to 640x480!?

2) I've been examining the AVS files generated, why is Telecide() used? My arcade monitor runs at 60 fields per second, if I convert to 24fps (from the standard NTSC 30 fps) then it will probably look wierd. I can imagine Telecide/decomb would only benefit PC monitors, no?

3) Is there any disadvantages in changing the vob2m2v.bat to read:

bbdmux %1 0xe0 %1.m2v

This way DVD2DAPH simply demuxes the video from the VOB file and I use it in my setup? (resulting in no modification to the video from what is already provided).

Telecide() is used for the "inverse telecine" filter. If you just do the bbdmux, then you'll lose that. You'll also get whatever resolution the DVD-Video is stored at, 720x480.

I think Warren answered your other questions in the Daphne forum.