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sound - PulseAudio not detecting any devices - Ask Ubuntu
https://askubuntu.com/questions/859773/pulseaudio-not-detecting-any-devices
In my case, pulseaudio only showed dummy devices, it stop showing my Intel audio devices after installing some packages. So I followed these steps: The only device shown is "dummy output" or newly connected cards are not detected. To see which application is responsible for direct access to the sound card through alsa, run the following command:
sound - How do I make pulseaudio or pipewire auto …
https://askubuntu.com/questions/1391619/how-do-i-make-pulseaudio-or-pipewire-auto-detect-newly-plugged-in-input-devices
However, if I plug in a new device (it's the same problem whether it's plugged in on front or back ports) while my PC is on, it doesn't get recognized automatically. In order to use it, I have to restart pulseaudio (or pipewire which I've just switched to but which didn't change anything). After restarting, it works without any problems.
PulseAudio/Examples - ArchWiki - Arch Linux
https://wiki.archlinux.org/title/PulseAudio/Examples
Manually configuring PulseAudio to detect the Nvidia HDMI. Having identified which HDMI device is working, PulseAudio can be forced to use it via an edit to /etc/pulse/default.pa: # load-module module-alsa-sink device=hw:1,7 where the 1 is the card and the 7 is the device found to work in the previous section.
Pulseaudio cannot detect PCM device - NXP Community
https://community.nxp.com/t5/i-MX-Processors/Pulseaudio-cannot-detect-PCM-device/m-p/425755
I have IMX6Q based board and want game with pulseaudio. My board have 3 sound devices. # aplay -l **** List of PLAYBACK Hardware Devices **** card 0: tlv320aic3xaudi [tlv320aic3x-audio], device 0: HiFi tlv320aic3x-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 …
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