Public bug reported:
## Reproduce steps
* Discord @ 0.0.17 (APT-Manual-Installed: yes, downloaded .deb package from
https://discord.com)
* Firefox @ 99.0+build2-0ubuntu0.20.04.2 (APT-Manual-Installed: no)
1. Open YouTube
2. Play some movie
3. After playing movie, join Discord's voice channel
4. All sounds sound lower in system-wide
5. The problem can be solved with the workaround(*)
* After doing workaround, this seems does not happen again in the session.
## Workaround
```
pulseaudio -k
pulseaudio --start
```
## Isolation the cause
1. problem of Discord: No, only joining Discord's voice channels does not cause
this.
2. problem of YouTube: No, only playing some movie on it does not cause this.
3. problem of Firefox: No, only playing audio on other Platform does not cause
this.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.13.0-39.44~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-39-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: kisaragi 3089 F.... pulseaudio
/dev/snd/controlC2: kisaragi 3089 F.... pulseaudio
/dev/snd/controlC1: kisaragi 3089 F.... pulseaudio
/dev/snd/pcmC1D0p: kisaragi 3089 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Mon Apr 25 15:34:51 2022
InstallationDate: Installed on 2022-03-12 (44 days ago)
InstallationMedia: Ubuntu 20.04.4 LTS "Focal Fossa" - Release amd64 (20220223)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=ja_JP.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:H1n successful
Symptom_Card: GP107GL High Definition Audio Controller - HDA NVidia
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: None of the above
Title: [USB-Audio - H1n, playback] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/16/2012
dmi.bios.release: 4.6
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.5
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H61H2-M2
dmi.board.vendor: ECS
dmi.board.version: 2.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: ECS
dmi.chassis.version: 2.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd11/16/2012:br4.6:svnKOUZIROCo.,Ltd.:pnFRONTIERDT:pvr2.0:rvnECS:rnH61H2-M2:rvr2.0:cvnECS:ct3:cvr2.0:skuTobefilledbyO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: FRONTIERDT
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: 2.0
dmi.sys.vendor: KOUZIRO Co., Ltd.
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1970163
Title:
[USB-Audio - H1n, playback] whole sound sounds lower
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