i would recommend using the
Videomaker – Learn video production and editing, camera reviews › Forums › Technique › DIY › Multiple VGA’s to Single Monitor › i would recommend using the
March 8, 2016 at 2:52 AM
#213645

Member
i would recommend using the Blackmagic design television studio switcher (995$). it has everything you need and will do exactly what you are looking for!
have a look at it and look at all the videos about it on youtube
https://www.blackmagicdesign.com/products/atemtelevisionstudio
good luck!
Robert
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