Everyone is well aware of the black screen/no signal issue with these cards, and there is also a well-known problem with the HDMI audio as well. Could the two be related? I've noticed that after a black screen/no signal the game audio will be slightly different when the screen comes back up. I've noticed this for a while but with the latest 20.3.1 drivers this seems to be kicked up a notch. In one game it did the black screen thing a couple of times and then there was no audio after it came back up.
Is anyone else that is experiencing black screens also using HDMI audio? If so, do you notice any sound changes after a black screen? It might be just slightly louder or quieter or the way the sounds are produced sound slightly different (like going from Dolby surround to dts).