Public bug reported:

The subwoofer on my laptop is not shown by default in the audio
settings. When i try updating the alsa-base.conf file, I can get the
subwoofer to appear, but its still disabled. I can manage to "enable"
the subwoofer by making changes to both the /etc/pulse/daemon.conf and
/etc/pulse/default.pa files, however the sound is then full of noise and
somehow distorted. Finally, I have beats audio on my laptop, which of
course a cannot use.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: alsa-base 1.0.25+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
Uname: Linux 3.5.0-21-generic x86_64
ApportVersion: 2.6.1-0ubuntu9
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  chri      14111 F.... pulseaudio
Date: Wed Dec 26 14:35:41 2012
InstallationDate: Installed on 2012-11-22 (33 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Symptom_Type: Only some of outputs are working
Title: [HP ENVY 4 Notebook PC, IDT 92HD91BXX, Speaker, Internal] Playback 
problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/23/2012
dmi.bios.vendor: Insyde
dmi.bios.version: F.0B
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 1894
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 72.23
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnInsyde:bvrF.0B:bd05/23/2012:svnHewlett-Packard:pnHPENVY4NotebookPC:pvr0795100000205600000320100:rvnHewlett-Packard:rn1894:rvr72.23:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP ENVY 4 Notebook PC
dmi.product.version: 0795100000205600000320100
dmi.sys.vendor: Hewlett-Packard
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2012-12-26T14:30:37.067804

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


** Tags: amd64 apport-bug quantal running-unity

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https://bugs.launchpad.net/bugs/1093792

Title:
  [HP ENVY 4 Notebook PC, IDT 92HD91BXX, Speaker, Internal] Playback
  problem

Status in “alsa-driver” package in Ubuntu:
  New

Bug description:
  The subwoofer on my laptop is not shown by default in the audio
  settings. When i try updating the alsa-base.conf file, I can get the
  subwoofer to appear, but its still disabled. I can manage to "enable"
  the subwoofer by making changes to both the /etc/pulse/daemon.conf and
  /etc/pulse/default.pa files, however the sound is then full of noise
  and somehow distorted. Finally, I have beats audio on my laptop, which
  of course a cannot use.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu3
  ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
  Uname: Linux 3.5.0-21-generic x86_64
  ApportVersion: 2.6.1-0ubuntu9
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  chri      14111 F.... pulseaudio
  Date: Wed Dec 26 14:35:41 2012
  InstallationDate: Installed on 2012-11-22 (33 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
  Symptom_Card: Built-in Audio - HDA Intel PCH
  Symptom_Jack: Speaker, Internal
  Symptom_Type: Only some of outputs are working
  Title: [HP ENVY 4 Notebook PC, IDT 92HD91BXX, Speaker, Internal] Playback 
problem
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/23/2012
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.0B
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 1894
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 72.23
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnInsyde:bvrF.0B:bd05/23/2012:svnHewlett-Packard:pnHPENVY4NotebookPC:pvr0795100000205600000320100:rvnHewlett-Packard:rn1894:rvr72.23:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP ENVY 4 Notebook PC
  dmi.product.version: 0795100000205600000320100
  dmi.sys.vendor: Hewlett-Packard
  mtime.conffile..etc.modprobe.d.alsa.base.conf: 2012-12-26T14:30:37.067804

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