Newbie Problems

[Lantern1984]

I have two issues with sndcpy.

The first problem is that I can't open it when scrcpy is already opened. It seems to think I have two phones plugged in, and won't focus on the real one. What do I put in the command line to make it ignore scrcpy?

Second, when I do get it to work (by turning off scrcpy first) the sound on the computer is out of sync with the phone. Is there a command I can add the will automatically mute the phone so all I hear is the computer from the moment sndcpy activates?