I have updated to 4.6.5 but I still have the same problem of having no control over audio levels. I can't see any preferences/settings where I can choose to have AV controls. When I open the example/demo composition resolume still opens with only a V - video opacity control fader/slider and no ...
They have done this at the science museum in London using 4 projectors. You can see them in the video here: https://www.youtube.com/watch?v=NecTd3vUdHM
They are set up so that the lenses are around equator height.