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Public bug reported:

Running Xubuntu 15.10 64 bits kernel 4.2.0-18 in Oracle Virtualbox
5.0.8. Using a Microsoft USB headset. Sound is very low and if I crank
up the volume to the max is sort of audible but distorted and noisy. I
have a 14.04 Xubuntu and a 15.04 Xubuntu instance on the same
Virtualbox, using the same headset, and the sound is perfect. I also
have an Arch instance with kernel 4.2.5-1 on the same Virtualbox and the
sonud on that one is also good. This issue seems particular to Xubuntu
15.10.

I posted this on the forums about 3-4 weeks ago in the hope that someone
may have figured a way to fix this. No answer yet.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
Uname: Linux 4.2.0-18-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  cat        1274 F.... pulseaudio
CurrentDesktop: XFCE
Date: Fri Nov 27 07:27:39 2015
InstallationDate: Installed on 2015-10-31 (26 days ago)
InstallationMedia: Xubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Title: USB sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.board.name: VirtualBox
dmi.board.vendor: Oracle Corporation
dmi.board.version: 1.2
dmi.chassis.type: 1
dmi.chassis.vendor: Oracle Corporation
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug wily

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https://bugs.launchpad.net/bugs/1520564

Title:
  Xubuntu 15.10 low and poor sound on USB headset

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  Running Xubuntu 15.10 64 bits kernel 4.2.0-18 in Oracle Virtualbox
  5.0.8. Using a Microsoft USB headset. Sound is very low and if I crank
  up the volume to the max is sort of audible but distorted and noisy. I
  have a 14.04 Xubuntu and a 15.04 Xubuntu instance on the same
  Virtualbox, using the same headset, and the sound is perfect. I also
  have an Arch instance with kernel 4.2.5-1 on the same Virtualbox and
  the sonud on that one is also good. This issue seems particular to
  Xubuntu 15.10.

  I posted this on the forums about 3-4 weeks ago in the hope that
  someone may have figured a way to fix this. No answer yet.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu5
  ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
  Uname: Linux 4.2.0-18-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  cat        1274 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Fri Nov 27 07:27:39 2015
  InstallationDate: Installed on 2015-10-31 (26 days ago)
  InstallationMedia: Xubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Title: USB sound card not detected
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/01/2006
  dmi.bios.vendor: innotek GmbH
  dmi.bios.version: VirtualBox
  dmi.board.name: VirtualBox
  dmi.board.vendor: Oracle Corporation
  dmi.board.version: 1.2
  dmi.chassis.type: 1
  dmi.chassis.vendor: Oracle Corporation
  dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
  dmi.product.name: VirtualBox
  dmi.product.version: 1.2
  dmi.sys.vendor: innotek GmbH

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