GA-MA785GT-UD3H, Realtek ALC889A, Green Headphone Out, Front Background noise or low volume

Sound disappeared from movieplayer

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.13.0-101.148~precise1-generic 3.13.11-ckt39
Uname: Linux 3.13.0-101-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-101-generic.
ApportVersion: 2.0.1-0ubuntu17.13
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: ralph 2594 F.... pulseaudio
 /dev/snd/controlC0: ralph 2594 F.... pulseaudio
 /dev/snd/pcmC0D0p: ralph 2594 F...m pulseaudio
Card0.Amixer.info:
 Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
   Mixer name : 'Realtek ALC889A'
   Components : 'HDA:10ec0885,1458a102,00100101'
   Controls : 58
   Simple ctrls : 24
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfdefc000 irq 19'
   Mixer name : 'ATI RS690/780 HDMI'
   Components : 'HDA:1002791a,00791a00,00100000'
   Controls : 7
   Simple ctrls : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
CheckboxSubmission: 6cbc1ffcaa0d248c5ffc1cf119769e74
CheckboxSystem: 4ed15c40009aa6f7770f606350a390a2
Date: Fri Nov 18 21:25:30 2016
InstallationMedia: Ubuntu 12.04.5 LTS "Precise Pangolin" - Release amd64 (20140807.1)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:SB successful
Symptom_Card: Built-in Audio - HDA ATI SB
Symptom_Jack: Green Headphone Out, Front
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: High background noise, or volume is too low
Title: [GA-MA785GT-UD3H, Realtek ALC889A, Green Headphone Out, Front] Background noise or low volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/16/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F3
dmi.board.name: GA-MA785GT-UD3H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF3:bd09/16/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA785GT-UD3H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA785GT-UD3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA785GT-UD3H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.