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[Raymond <1201528@xxxxxxxxxxxxxxxxxx>]

you mplayer did not require low latency playback

Jul 24 09:20:47 dali pulseaudio[2800]: [pulseaudio] protocol-native.c: Requested tlength=250.00 ms, minreq=20.00 ms
Jul 24 09:20:47 dali pulseaudio[2800]: [pulseaudio] protocol-native.c: Traditional mode enabled, modifying sink usec only for compat with minreq.
Jul 24 09:20:47 dali pulseaudio[2800]: [alsa-sink-ALC889 Analog] alsa-sink.c: Expected sleep: 160.98ms, real sleep: 0.22ms (diff -160.76 ms)

but mumble require low latency playback

1383327649.384264-1444531632"
(   7.432|   0.000) I: [pulseaudio] sink-input.c:     module-stream-restore.id = "sink-input-by-media-role:phone"
(   7.433|   0.000) I: [pulseaudio] protocol-native.c: Requested tlength=60.00 ms, minreq=10.00 ms
(   7.433|   0.000) D: [pulseaudio] protocol-native.c: Adjust latency mode enabled, configuring sink latency to half of overall latency.

do you know whether mumble receive enough voice audio from the internet
voice chat ?

under run can occur if  your sound card playback faster than your
partner 's sound card  capture

or

buffer overflow when your sound card playback slower than your partner's
sound card capture

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https://bugs.launchpad.net/bugs/1201528

Title:
  [INTEL DP55WG,Realtek ALC889] - Audio Playback Unavailable

Status in “alsa-driver” package in Ubuntu:
  New
Status in “linux” package in Ubuntu:
  Incomplete
Status in “alsa-driver” source package in Raring:
  New
Status in “linux” source package in Raring:
  Incomplete
Status in “alsa-driver” source package in Saucy:
  New
Status in “linux” source package in Saucy:
  Incomplete

Bug description:
  This is a fresh upgrade to raring. During the weekend, I updated from
  precise to quantal, and from there to raring. I did not use sound
  while the system was in quantal, so no idea if the bug was present
  there as well.

  The symptom is:

  * after some period of sound usage, playback stops working

  What I mean with sound usage is:

  I tried having a meeting with: mumble, skype, and google hangout, and
  in all three cases, audio input/outout will work just fine for ~5
  minutes, and the playback just dies (people tell me they keep
  listening to me, so mic works fine).

  The only way to solve this is by rebooting. After one of the reboots,
  I was able to play a 20 minute video with mplayer with no further
  issue. Then opened skype and after ~3-5 minute talk, audio playback
  died again.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.8.0-26.38-generic 3.8.13.2
  Uname: Linux 3.8.0-26-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  nessita    2627 F.... pulseaudio
  Date: Mon Jul 15 14:40:20 2013
  InstallationDate: Installed on 2011-12-20 (572 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111129.1)
  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:MID failed
  Symptom_AlsaPlaybackTestStderr:
   W r i t e   e r r o r :   - 5 , I n p u t / o u t p u t   e r r o r 
    x r u n _ r e c o v e r y   f a i l e d :   - 5 , I n p u t / o u t p u t   e r r o r 
    T r a n s f e r   f a i l e d :   O p e r a t i o n   n o t   p e r m i t t e d
  Symptom_Card: Built-in Audio - HDA Intel MID
  Symptom_Jack: Green Headphone Out, Front
  Symptom_Type: None of the above
  Title: [, Realtek ALC889, Green Headphone Out, Front] Playback problem
  UpgradeStatus: Upgraded to raring on 2013-07-13 (2 days ago)
  dmi.bios.date: 08/05/2009
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: KGIBX10J.86A.3206.2009.0805.1855
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: DP55WG
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAE57269-404
  dmi.chassis.type: 2
  dmi.modalias: dmi:bvnIntelCorp.:bvrKGIBX10J.86A.3206.2009.0805.1855:bd08/05/2009:svn:pn:pvr:rvnIntelCorporation:rnDP55WG:rvrAAE57269-404:cvn:ct2:cvr:

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