Doom9's Forum - View Single Post - The power of Avisynth: restoring old 8mm films.

johnmeyer · 26th January 2019, 17:50

Fred,

Isn't 8mm (without the material between sprocket holes) closer to 1:1? Super 8 is most definitely 4:3, but I think 8mm is pretty close to square.

Also, to add to what Fred said about cropping: he is right that it is a mod issue, but I can't remember if it is mod4 or mod8. However, you'll be safe either way if you follow his suggestion and make the crop a multiple of 8. Also, I've never had good luck using a different crop size for the left and right so I always make the black borders equal on either side in my NLE before feeding it to the script so I can use the same crop size for both. Since you'll want it centered on the screen, this actually makes sense to do even if there wasn't a problem when the sizes are different on the left and the right.

26th January 2019, 17:50	#1049 \| Link
johnmeyer Registered User Join Date: Feb 2002 Location: California Posts: 2,695	Fred, Isn't 8mm (without the material between sprocket holes) closer to 1:1? Super 8 is most definitely 4:3, but I think 8mm is pretty close to square. Also, to add to what Fred said about cropping: he is right that it is a mod issue, but I can't remember if it is mod4 or mod8. However, you'll be safe either way if you follow his suggestion and make the crop a multiple of 8. Also, I've never had good luck using a different crop size for the left and right so I always make the black borders equal on either side in my NLE before feeding it to the script so I can use the same crop size for both. Since you'll want it centered on the screen, this actually makes sense to do even if there wasn't a problem when the sizes are different on the left and the right.