After some googling, this is already known bug in pulseaudio?
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https://bugs.launchpad.net/bugs/1843015
Title:
[USB-Audio - Xonar SoundCard, playback] No sound at all
Status in alsa-driver package in Ubuntu:
New
Bug description:
After some testing, aplay -D hw:2,2 samplename works but there seems
to be no way to set that in gnome or for other applications?
cat /proc/asound/devices
1: : sequencer
2: [ 2- 0]: digital audio playback
3: [ 2- 0]: digital audio capture
4: [ 2- 1]: digital audio playback
5: [ 2- 1]: digital audio capture
6: [ 2- 2]: digital audio playback
7: [ 2- 3]: digital audio playback
8: [ 2] : control
9: [ 0- 3]: digital audio playback
10: [ 0- 7]: digital audio playback
11: [ 0- 8]: digital audio playback
12: [ 0- 9]: digital audio playback
13: [ 0-10]: digital audio playback
14: [ 0-11]: digital audio playback
15: [ 0- 0]: hardware dependent
16: [ 0] : control
17: [ 1- 0]: digital audio playback
18: [ 1- 0]: digital audio capture
19: [ 1- 1]: digital audio playback
20: [ 1- 2]: digital audio capture
21: [ 1- 0]: hardware dependent
22: [ 1] : control
33: : timer
Further, there is period of no sound at all from optical output when
starting to play sample.
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
Uname: Linux 5.2.11 x86_64
ApportVersion: 2.20.10-0ubuntu27.1
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri Sep 6 10:33:58 2019
InstallationDate: Installed on 2019-08-10 (26 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.3)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:SoundCard failed
Symptom_Card: Xonar SoundCard - Xonar SoundCard
Symptom_Type: No sound at all
Title: [USB-Audio - Xonar SoundCard, playback] No sound at all
UpgradeStatus: Upgraded to disco on 2019-08-10 (26 days ago)
dmi.bios.date: 07/29/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1804
dmi.board.asset.tag: Default string
dmi.board.name: TUF B450-PLUS GAMING
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1804:bd07/29/2019:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnTUFB450-PLUSGAMING:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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