Audio Device
The Audio Device dialog shows the current default ALSA device and allows to switch from one device to another. After switching a device in the dialog the player automatically changes the device in the ALSA configuration file /home/pi/.asoundrc.
The player will use the textual device name instead of numeric index. For example in the example above if the first device will be selected then the player will use the name b1 in the configuartion file .asoundrc:
...
type hw card b1
...