thank you mad-matt for your suggestion! this would be an option. but i think i would rather go with a black magic device. https://www.thomann.de/de/blackmagic_design_decklink_duo_2.htm this on is able to capture besides SDI a signal with SD Video with 525i/59,94 NTSC, 625i/50 PAL aswell. 4 bi-direct...