why when i burn a DVD using ImgBurn the size of it changes?
before burning i get this window and i can see different sizes

it works when i insert the disc it has a size of 3.8gb for example, and when i check the video_ts properties it has a size of 3.3gb for example, why?

I’ll be interested to see what responses you get for this.

I know that ImgBurn can add padding so that the layer break occurs on a cell boundary if possible, but what you have listed here isn’t large enough to have to go to a dual layer disk.

this may interest you kerry…

Thanks for that. Filesystem overhead huh? I wouldn’t have thought of that.

i don’t even know what that means :/, i know some terms but not the advanced ones…

Imgburn has to calculate the ISO first before burning, has to make changes to some parts and make it “iso” compatible. That is why the bytes count differs.