aplay -lv
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 9: HDMI 3 [HDMI 3]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 10: HDMI 4 [HDMI 4]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
[root@ws jackc]#

On Sun, Sep 5, 2021 at 8:28 AM stan via users <users@lists.fedoraproject.org> wrote:
On Sun, 5 Sep 2021 06:49:04 -0700
Jack Craig <jack.craig.aptos@gmail.com> wrote:

> On Sun, Sep 5, 2021 at 5:43 AM Jack Craig <jack.craig.aptos@gmail.com>
> wrote:

What does running
aplay -lv
show as available devices?  From all the errors, it seems there is a
configuration or api mismatch somewhere in the chain between pipewire
and alsa.

You might find some worthwhile information about hdmi here:
https://alsa.opensrc.org/DigitalOut

This is a troubleshooting checklist:
https://alsa.opensrc.org/TroubleShooting

And running this script can give you a *lot* of information about your
sound setup:
http://www.alsa-project.org/alsa-info.sh
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