Why We Love IG 廣告 (And You Should, Too!)
http://felixvleh382.trexgame.net/watch-out-how-ig-mai-follower-is-taking-over-and-what-to-do-about-it
Considering that HDMI is usually a digital sign, it can't be degraded A lot just before the image and audio is just not extended decipherable. On analog signals, you may get a large amount of degradation right