Got it. You can name your ALSA sound card in mopidy.conf. You also need to define it by that name in /etc/asound.conf. I’ve named my card ‘fred’.
So, in mopidy.conf:
[audio]
output = alsasink device=fred
mixer = alsamixer
In /etc/asound.conf:
pcm.fred {
type hw
card Extigy
}
“Extigy” is the name I see for the card I want to use when I do “aplay -l”
**** List of PLAYBACK Hardware Devices ****
card 0: IQaudIODAC [IQaudIODAC], device 0: IQaudIO DAC HiFi pcm512x-hifi-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Extigy [Sound Blaster Extigy], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Extigy [Sound Blaster Extigy], device 1: USB Audio [USB Audio #1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Extigy [Sound Blaster Extigy], device 2: USB Audio [USB Audio #2]
Subdevices: 1/1
Subdevice #0: subdevice #0