You had it right the first time. When there is a 16 pixel border, the 704px image is 4:3, and this is how DVD players (old ones with analog outputs, not upscaling/HDMI) displayed it.
[@ElCid](https://nyaa.si/view/1918335#com-1) Well that's why I kept it as a soft DAR correction. You could always extract the video track and then mux it back to lose this. Personally, I just don't like the slightly stretched image, even if that's how it was intended to be displayed.
Comments - 2
ElCid
Hououin (uploader)