Public bug reported: 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 ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug disco wayland-session -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1843015 Title: [USB-Audio - Xonar SoundCard, playback] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1843015/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs