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audio - PulseAudio cannot see working USB sound card ...
https://stackoverflow.com/questions/59705263/pulseaudio-cannot-see-working-usb-sound-card
pcm.!default { type hw card 1 } ctl.!default { type hw card 1 } does make the USB card available to alsamixer, and I can then play things directly through ALSA, e.g. $ aplay test.wav, but it's still invisible to Pulse via list-sinks, and if I try to play anything through Pulse, I get errors or no sound, e.g. with mocp sample.mp3 there's no sound.
pulseaudio - USB sound card input (Xonar U7) - Ask Ubuntu
https://askubuntu.com/questions/498204/usb-sound-card-input-xonar-u7
card 2: U7 [Xonar U7], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 Subdevice #0: subdevice #0. If anyone else is using the Xonar U7 then it would be great if you can confirm that it's working (or not) with audio input. The farthest I've come is to get Audacity to record something (although very very low) by setting default audio device to Alsa in gstreamer-properties.
ubuntu - Pulseaudio with external sound adapter: work ...
https://unix.stackexchange.com/questions/204782/pulseaudio-with-external-sound-adapter-work-around-broken-sound
$ pulseaudio -k Restart your audio player and try again. From: https://chrisjean.com/fix-for-usb-audio-is-too-loud-and-mutes-at-low-volume-in-ubuntu/ (See bug 1248649.) However, this workaround does not seem to help anymore with Fedora 23 (pulseaudio 7.1) - or maybe different values have to be used. Hopefully, this will be helpful to someone.
udev - How to name Pulseaudio USB devices by physical ...
https://unix.stackexchange.com/questions/564622/how-to-name-pulseaudio-usb-devices-by-physical-location-in-usb-tree
$ cat /etc/udev/rules.d/99-usb-audio.rules ACTION=="change", SUBSYSTEM=="sound", DEVPATH=="/devices/*/usb*/sound/card?", ENV{PULSE_NAME}="$env{ID_ID}.$env{ID_PATH_TAG}" The 99 is important because ID_PATH_TAG is being set by an earlier rule (I am not sure which one); using a lower number …
PulseAudio from the Command Line - Shallow Sky
https://shallowsky.com/linux/pulseaudio-command-line.html
Now you can set the profile for a specific card. For instance, to enable the USB card as output only, and turn off the internal card: pactl set-card-profile 0 output:analog-stereo pactl set-card-profile 1 off Setting Fallbacks (Defaults) Let's talk about speakers first, which PulseAudio calls "sinks" (microphones are "sources").
[SOLVED] Disable sound-card profiles for pulseaudio ...
https://bbs.archlinux.org/viewtopic.php?id=261687
Re: [SOLVED] Disable sound-card profiles for pulseaudio Sorry for the delayed response I tried a couple of things using the with the script you suggested, but I don't think it ever got executed. Code used to send device trigger sleep
PulseAudio - ArchWiki
https://wiki.archlinux.org/title/PulseAudio
PulseAudio is a general purpose sound server intended to run as a middleware between your applications and your hardware devices, either using ALSA or OSS.It also offers easy network streaming across local devices using Avahi if enabled. While its main purpose is to ease audio configuration, its modular design allows more advanced users to configure the daemon …
PulseAudio 13.0 release notes - freedesktop.org
https://www.freedesktop.org/wiki/Software/PulseAudio/Notes/13.0/
The "CMEDIA USB2.0 High-Speed True HD Audio" sound card (probably a generic chip used in several products) uses unusual device indexes for S/PDIF, which is why the default ALSA USB-Audio configuration doesn't work. PulseAudio now has custom configuration to deal with the card. Use source sample spec and channel map by default in module-loopback
PulseAudio via GUI: Pavucontrol (Shallow Thoughts)
https://shallowsky.com/blog/linux/pulseaudio-pavucontrol.html
Beginner tutorials always start with something like "Go into System Preferences and click on ...
Use USB Sound Card in Raspberry Pi : 5 Steps - Instructables
https://www.instructables.com/Use-USB-Sound-Card-in-Raspberry-Pi/
The Raspberry Pi should detect the USB Sound Card and load the kernel module (device driver) automatically. However, this is not guaranteed. So I need to check. Open terminal: sudo tail -f /var/log/messages. Refer to screenshot. The lines are irrelevent because I have not connected the USB Sound Card to Raspberry Pi yet.
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