Jul 24, 2020, 00:41 by d...@randomstring.org: > sudo apt install alsa-utils > > aplay -L > > should show you the available sound outputs. > > Specify them with the -D parameter to speaker-test: > > speaker-test -C2 -D front > > for example. > > If that doesn't work, let us know. > > -dsr- >
Thanks, it worked. I was confused by instructions that recommended to install alsa-base, etc. but there are no packages like that in Buster.