Here’s an interview with Hennadiy aka superg, the creator of high-end SCART and component video switches. An audio-only version of the podcast can be found here: http://www.retrorgb.com/podcast/?name=2018-10-26_interview_superg.mp3
You can pre-order the switches here: http://www.gretrostuff.com/store/gscartsw/
Forum topic here: https://shmups.system11.org/viewtopic.php?t=50851