According to<div><br></div><div><a href="https://kdenlive.org/en/project/color-hell-ffmpeg-transcoding-and-preserving-bt-601/">https://kdenlive.org/en/project/color-hell-ffmpeg-transcoding-and-preserving-bt-601/</a></div><div><br></div><div>bt 601 pal and bt 601 ntsc are  slightly different, I tried to update CinGG&#39;s definitions so now she have two distinct 601 colorspaces, but I still can be wrong (esp on kr, kb coeffecients) </div><div><br></div><div>can anyone test patch 3 and see if it makes any positive difference? </div><div><br></div><div><br></div>