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[Raymond <1378969@xxxxxxxxxxxxxxxxxx>]

the volume of your sony tv is controlled by your sony remote control

hdmi codec has nmo volume control

pulseaudio only use software volume

it won't restore the same volume if you change the volume by  the sony
remote control


** Changed in: pulseaudio (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1378969

Title:
  pulseaudio doesn't enforce remembered volume when changing to HDMI
  output

Status in “pulseaudio” package in Ubuntu:
  Incomplete

Bug description:
  When I change my sound output to use a HDMI output, even though `pactl
  list` reports the correct volume level, the output volume is in fact
  100%. Executing the following command afterwards solves the problem.

  $ pactl set-sink-volume <SINK-NUM> +0

  Attached is three outputs of `pactl list`:
  1) "hdmi-before" : taken when HDMI output is working as it should
  2) "hdmi-after" : this is taken after changing away from the HDMI output (to laptop speaker), and back to HDMI again -- reported volume level is 50%, but real output level is 100%.
  3) "hdmi-after-adjust" : taken after executing the command listed above (which sets real output level to 50%)

  If it has any interest, I used the built in system settings to change
  sound output (even though the same problem occurs when doing so from
  the command line).

  ----
  I'm using Ubuntu 14.04.1

  $ pulseaudio --version
  pulseaudio 4.0

  $ pactl --version
  pactl 4.0
  Compiled with libpulse 4.0.0
  Linked with libpulse 4.0.0

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: pulseaudio 1:4.0-0ubuntu11
  ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
  Uname: Linux 3.13.0-36-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  rasmus     2685 F.... pulseaudio
   /dev/snd/pcmC0D0c:   rasmus     2685 F...m pulseaudio
   /dev/snd/pcmC0D3p:   rasmus     2685 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Wed Oct  8 19:49:58 2014
  InstallationDate: Installed on 2014-05-23 (138 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  SourcePackage: pulseaudio
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/04/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GAET35WW (1.12 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 33643EG
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGAET35WW(1.12):bd07/04/2012:svnLENOVO:pn33643EG:pvrThinkPadEdgeS430:rvnLENOVO:rn33643EG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 33643EG
  dmi.product.version: ThinkPad Edge S430
  dmi.sys.vendor: LENOVO

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