Public bug reported:

HP Pavilion dv2000. Ubuntu 10.10. Tested the sound card in System
Testing. It played a tone, but the initial segment of the tone was
distorted (crackle/buzz).

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 Cannot stat file /proc/4139/fd/40: Stale NFS file handle
                      USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ubuntu     4138 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf4500000 irq 48'
   Mixer name   : 'Conexant CX20549 (Venice)'
   Components   : 'HDA:14f15045,103c30cd,00100100'
   Controls      : 18
   Simple ctrls  : 8
CheckboxCommand: gst_pipeline_test -t 2 'audiotestsrc wave=sine freq=512 ! 
audioconvert ! audioresample ! gconfaudiosink'
CheckboxDescription:
 Click the Test button to play a sound on the automatically detected playback 
device.
 
 Do you hear a sound and was that sound free of any distortion, clicks or other 
strange noises?
CheckboxTest: playback_auto
Date: Sat Jan 15 03:36:04 2011
LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
PackageArchitecture: all
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.UTF-8
SourcePackage: alsa-driver
dmi.bios.date: 08/10/2007
dmi.bios.vendor: Phoenix
dmi.bios.version: F.13
dmi.board.name: 30CE
dmi.board.vendor: Wistron
dmi.board.version: 80.39
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnPhoenix:bvrF.13:bd08/10/2007:svnHewlett-Packard:pnHPPaviliondv2500NotebookPC:pvrF.13:rvnWistron:rn30CE:rvr80.39:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv2500 Notebook PC
dmi.product.version: F.13
dmi.sys.vendor: Hewlett-Packard

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


** Tags: apport-bug audio checkbox-bug i386 maverick

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https://bugs.launchpad.net/bugs/703177

Title:
  sound test has distortion

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