I have Kef egg speakers as output device and as sources I have a PC, an Amazon Echo dot and a TV. I use a manual switch to change the source, but I would love to have a switch that automatically changes the channel based on the active signal. I would also love to be able to add a higher priority for the Echo dot. For example, if the TV is on and Alexa has a routine to execute, I would like to hear Alexa over the TV (like tv is muted or something until the routine is complete).
I don't know where to start
. Do you have any suggestions?