Public bug reported:

When using vlc having some problems with the sound.
Namely on certain avi or mp4 files, the sound can be distorted or very crackly.
Or if the sound is playing properly it only lasts for a minute or two then cuts 
out but the video still plays.
Tried changing the sound outputs on vlc but the problem is either or for some 
avi or mp4 files.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-41.90-generic 2.6.32.59+drm33.24
Uname: Linux 2.6.32-41-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion:
 Advanced Linux Sound Architecture Driver Version 1.0.23.
 Compiled on Mar 29 2012 for kernel 2.6.32-41-generic (SMP).
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: NVidia [HDA NVidia], device 0: VT1708S Analog [VT1708S Analog]
   Subdevices: 2/2
   Subdevice #0: subdevice #0
   Subdevice #1: subdevice #1
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  agent-47   1387 F.... pulseaudio
 /dev/snd/pcmC1D3p:   agent-47   1387 F...m pulseaudio
 /dev/snd/controlC0:  agent-47   1387 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'NVidia'/'HDA NVidia at 0xfaef8000 irq 22'
   Mixer name   : 'VIA VT1708S'
   Components   : 'HDA:11064397,18490397,00100000'
   Controls      : 24
   Simple ctrls  : 15
Card1.Amixer.info:
 Card hw:1 'NVidia_1'/'HDA NVidia at 0xfaf7c000 irq 18'
   Mixer name   : 'Nvidia GT240 HDMI'
   Components   : 'HDA:10de000d,10de0101,00100100'
   Controls      : 16
   Simple ctrls  : 4
Date: Sat Jun  2 17:05:53 2012
InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SelectedCard: 0 NVidia HDA-Intel - HDA NVidia
SourcePackage: alsa-driver
Symptom: audio
Title: [VIA VT1708S] ALSA test tone not correctly played back
dmi.bios.date: 08/25/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.40
dmi.board.name: N68C-S UCC
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrP1.40:bd08/25/2010:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnN68C-SUCC:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.

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


** Tags: amd64 apport-bug lucid

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https://bugs.launchpad.net/bugs/1007856

Title:
  Sound cuts out after a minute or the sound is very distorted and
  crackly[VIA VT1708S] ALSA test tone not correctly played back

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