Thanks. That EDID seems to mention stereo audio support. So that's good.
But also I wonder if the DRM property needs tweaking. Please try running
this command:
xrandr --output HDMI-1 --set audio on
If it still doesn't work then try logging in again after that.
Full
Sorry. I had connected the device to a second (newer hardware) notebook
computer with same Lubuntu to check, whether it is a problem of just
this particular machine or a common problem.
xrandr2 attached.
The Lubuntu monitor settings tool names the HDMI screen „BMD HDMI”, (BMD
seems to mean
> Their guess is that the linux notebook is not setting EDID
> configuration correctly and thus not recognized by the ATEM,
> while the cheap LCD screen propably does not care about EDID
> and just plays everything, therefore a wrong EDID information
> would not matter.
EDIDs work the other way
