Where abouts in the world do you live? that reminds me of watching 50hz NTSC footage on a 60hz PAL screen etc
and explained here https://www.youtube.com/watch?v=uzP8FFKpwQ0
do the lines move?
maybe the lights in your room run at a different frequency to the camera then? like this?
Hello!I changed it 50hz or 60hz but it didn't improve.I live South Korea and this country doesn't have regulation for LED flickering.How to reduce it in runtime?