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[Bug 1540372] Re: [Intel DP35DP, SigmaTel STAC9271D, Green Speaker, Rear] Underruns, dropouts or crackling sound


Hi Raymond,

I Reinstalled ubuntu 14.04.3 LTS the latest
amd still same issue In Sound Settings 
Input part: Analog Built-in Input detected but no signal of a sound seen

in alsamixer , I just see Input Source and Mic Boos, I can't see any Line or Mic there.

When I pug the analog jack from the Tc to front mic and a speaker in
front headphones

I can hear the sound from the TV but with noise.

these are the inputs from pcm and sound cards

G0: system timer : 4000.000us (10000000 ticks)│               │
│    │▒▒│       │P0-0-0: PCM playback 0-0-0 : SLAVE            │               │
│    │▒▒│       │P0-0-1: PCM capture 0-0-1 : SLAVE             │               │
│    │▒▒│       │P0-1-0: PCM playback 0-1-0 : SLAVE            │               │
│    │▒▒│       │P0-2-1: PCM capture 0-2-1 : SLAVE             │               │
│    │▒▒│       │P0-2-3: PCM capture 0-2-3 : SLAVE

 /proc/asound/pcm ─────────────────────────┐     │
│    │00-00: STAC9271D Analog : STAC9271D Analog : playback 1 : capture 1│     │
│    │00-01: STAC9271D Digital : STAC9271D Digital : playback 1          │     │
│    │00-02: STAC9271D Alt Analog : STAC9271D Alt Analog : capture 2 

Does this means that I should capture voice on alsa channel:
 vlc alsa://plughw:0,0,1
and listen on  vlc alsa://plughw:0,0,0

but when I run vlc alsa://plughw:0,0,1

Your input can't be opened:
VLC is unable to open the MRL 'alsa://plughw:0,0,1'. Check the log for details.

Any help would  be appreciated.

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  [Intel DP35DP, SigmaTel STAC9271D, Green Speaker, Rear] Underruns,
  dropouts or crackling sound

Status in alsa-driver package in Ubuntu:

Bug description:
  I cant record or play on my sound card ubuntu 14.04.1

  Alsa is detecting the sound card
  **** List of PLAYBACK Hardware Devices ****
  card 0: Intel [HDA Intel], device 0: STAC9271D Analog [STAC9271D Analog]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
  card 0: Intel [HDA Intel], device 1: STAC9271D Digital [STAC9271D Digital]
    Subdevices: 1/1
    Subdevice #0: subdevice #0

  but PulseAudio is not detecting the card 

  attached the log file

  Thank you

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.19.0-47.53~14.04.1-generic 3.19.8-ckt10
  Uname: Linux 3.19.0-47-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
   /dev/snd/controlC0:  tuned      1851 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Feb  1 15:09:35 2016
  InstallationDate: Installed on 2015-10-26 (98 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
  Symptom_Card: Built-in Audio - HDA Intel
  Symptom_Jack: Green Speaker, Rear
  Symptom_Type: Underruns, dropouts, or "crackling" sound
  Title: [, SigmaTel STAC9271D, Green Speaker, Rear] Underruns, dropouts or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/02/2007
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: DPP3510J.86A.0293.2007.1002.1519
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: DP35DP
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAD81073-207
  dmi.chassis.type: 2
  dmi.modalias: dmi:bvnIntelCorp.:bvrDPP3510J.86A.0293.2007.1002.1519:bd10/02/2007:svn:pn:pvr:rvnIntelCorporation:rnDP35DP:rvrAAD81073-207:cvn:ct2:cvr:
  mtime.conffile..etc.modprobe.d.alsa.base.conf: 2016-01-29T17:09:52.179523

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