Hi Richard,

You asked, "Is there a way to make sure a consistent name is presented to
PulseAudio?"

I think I might have a solution that has worked for me. It has even
corrected a few minor USB Sound Card issues with WSPR.

I have my motherboard sound card disabled in BIOS. I use a USB Sound Card as
my default Sound Card.

In the alsa-base.conf file I force my USB Sound Card to use slot O.

If you open, and edit up /etc/modprobe.d/alsa-base.conf you will see the
line(s):

#prevent abnormal driver from grabbing index 0

options snd-usb-audio index=-2

I edit the number -2 to 0 (zero).

My line looks like this:
options snd-usb-audio index=0

Also... notice the line at the bottom in alsa-base.conf:

#keep snd-usb-audio from be(e)ing loaded as the first sound card

options snd-usb-audio index=-2

I edit mine to look like this:
#options snd-usb-audio index=-2

I comment out the line with a #

then... Reboot.

Oh... do not forget to edit as "root", or "sudo".

In Ubuntu... sudo nano /etc/modprobe.d/alsa-base.conf

This might help you. These edits have helped me with pulseaudio in wsjtx and
wspr. If these edits do not work for you, you can revert back to the
original alsa-base.conf with your text editor.

Give it a try.

73, John, N1ISA




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