[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[ThomasMartitz]

FWIW, I'm on archlinux but experience the same issue (and I did so back
when I used ubuntu).

I thought I'd share that I could fix the crackling noise by disabling
realtime scheduling. Here's my daemon.conf which produces fine sound:

$ cat ~/.config/pulse/daemon.conf 
default-sample-rate = 48000
alternate-sample-rate = 44100
default-sample-format = s16le
realtime-scheduling = no

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or "crackling" sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

Well,  the guy changed the format. But where can it be changed?

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

Why, I've added SB X-Fi 1 line into my /usr/share/alsa/cards/USB-
Audio.conf but it hasn't given any effect.

Actually, how can sound cracking be connected with spdif output which
I'm not using?

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Raymond]

the main point is that your USB does not have any volume control , does
pulseaudio server implement software volume?

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

Yes, it does, I can control the sound volume. And, indeed, e.g. in alsa-
mixer I don't see any lever to influence my sound card.

But again, how is sound volume control connected with sound problems?
And what possible ways could be to solve the problem?

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Raymond]

http://thread.gmane.org/gmane.comp.audio.pulseaudio.general/8354/focus=8372

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

krokoziabla@music:1:~ speaker-test -D hw:1,0 -c 2 -t wav

speaker-test 1.0.25

Playback device is hw:1,0
Stream parameters are 48000Hz, S16_LE, 2 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 96 to 262144
Period size range from 48 to 131072
Using max buffer size 262144
Periods = 4
was set period_size = 65536
was set buffer_size = 262144
 0 - Front Left
 1 - Front Right
Time per period = 5.480553





krokoziabla@music:1:~ speaker-test -D hw:1,0 -c 6 -t wav

speaker-test 1.0.25

Playback device is hw:1,0
Stream parameters are 48000Hz, S16_LE, 6 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 96 to 87381
Period size range from 48 to 43690
Using max buffer size 87380
Periods = 4
was set period_size = 21845
was set buffer_size = 87380
 0 - Front Left
 4 - Center
 1 - Front Right
 3 - Rear Right
 2 - Rear Left
 5 - LFE
Time per period = 6.828693





krokoziabla@music:1:~ speaker-test -D surround51 -c 6 -t wav

speaker-test 1.0.25

Playback device is surround51
Stream parameters are 48000Hz, S16_LE, 6 channels
WAV file(s)
Channels count (6) not available for playbacks: Invalid argument
Setting of hwparams failed: Invalid argument





krokoziabla@music:1:~ speaker-test -D hw:1,1 -c 2 -t wav

speaker-test 1.0.25

Playback device is hw:1,1
Stream parameters are 48000Hz, S16_LE, 2 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 96 to 262144
Period size range from 48 to 131072
Using max buffer size 262144
Periods = 4
was set period_size = 65536
was set buffer_size = 262144
 0 - Front Left
 1 - Front Right





krokoziabla@music:1:~ speaker-test -D iec958:1 -c 2 -t wav

speaker-test 1.0.25

Playback device is iec958:1
Stream parameters are 48000Hz, S16_LE, 2 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 96 to 262144
Period size range from 48 to 131072
Using max buffer size 262144
Periods = 4
was set period_size = 65536
was set buffer_size = 262144
 0 - Front Left
 1 - Front Right
Time per period = 5.481259

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  

[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

I forgot that the last time I also had system level EQ on my Ubuntu
(http://www.webupd8.org/2011/04/system-wide-pulseaudio-equalizer.html).
I've installed it now and gathered verbose pulse logs once more. With
this plug-in the sound starts crackling more likely.

** Attachment added: pulseverbose.log
   
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+attachment/3416147/+files/pulseverbose.log

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Raymond]

do the channel map correct when playing 5.1 on hw:0,0 or need to use
surround51:1  ?

do you get any sound from the optical spdif,or the device has any
hardware switch to select analog and optical ?

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

Could you explain how the map should look like? I'm a bit confused. When
I ran speaker-test there were hw:1,0 and hw1:,1.  For both of them I
could hear the sound clearly.

Actually I don't know which device I use usually when I listen to music.
Sorry, but I cannot answer your first question without some help.

As to spdif I don't use it at all and I cannot observe any hardware
switch on my sound card.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Raymond]

since thereis a route table in surround5.1

do the female voice come out from the correct speaker ?

speaker-test -D hw:1,0 -c 6 - t wav -d

speaker-test -D hw:1,1 -c 6 - t wav -d

speaker-test -D surround51:1 -c 6 -t wav -d



USB-Audio.pcm.surround51.0 {
@args [ CARD ]
@args.CARD { type string }
@func refer
name {
@func concat
strings [
cards.USB-Audio.
{ @func card_name card $CARD }
.pcm.surround51:CARD= $CARD
]
}
default {
type route
ttable.0.0 1
ttable.1.1 1
ttable.2.4 1
ttable.3.5 1
ttable.4.2 1
ttable.5.3 1
slave {
pcm {
type hw
card $CARD
device 0
}
channels 6
}
}
}


can.you.post the output of lsusb -vvv of you x-fi pro?

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Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

speaker-test -D hw:1,0 -c 6 -t wav gave woman's voice from incorrect speakers.
speaker-test -D hw:1,1 -c 6 -t wav -d failed to execute:

krokoziabla@music:1:~/sandbit speaker-test -D hw:1,1 -c 6 -t wav -d

speaker-test 1.0.25

Playback device is hw:1,1
Stream parameters are 48000Hz, S16_LE, 6 channels
WAV file(s)
Channels count (6) not available for playbacks: Invalid argument
Setting of hwparams failed: Invalid argument

Only speaker-test -D surround51:1 -c 6 -t wav -d gave the expected
result.

The output of lsusb is in the attachment.

** Attachment added: lsusb.log
   
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+attachment/3416432/+files/lsusb.log

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Raymond]

http://ubuntuforums.org/showpost.php?p=9385594postcount=4


may be device 1 is also used for spdif on you x-fi pro,


so you need to define the device of iec958 and you have to send email to 
alsa-de...@alsa-project.org about the name Pro or SB X-Fi or  SB X-Fi 
Surround 5.1 Pro


card 1: Pro [SB X-Fi Surround 5.1 Pro], device 1: USB Audio [USB Audio #1]
  Subdevices: 1/1


!---Mixer controls for card 1 [Pro]

Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
  Mixer name: 'USB Mixer'
  Components: 'USB041e:30df'
  Controls  : 1
  Simple ctrls  : 1
Simple mixer control 'Power LED',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [on]


# If a device does not use the first PCM device for digital data, the device
# number for the iec958 device can be changed here.
USB-Audio.pcm.iec958_device {
# NoiseBlaster 3000 42
+   SB X-Fi 1
+   Pro 1

# The below don't have digital in/out, so prevent them from being 
opened.
Blue Snowball 999
Logitech Speaker Lapdesk N700 999 
Logitech USB Headset 999
Logitech Wireless Headset 999
Plantronics GameCom 780 999
Plantronics USB Headset 999
Plantronics Wireless Audio 999
SB WoW Headset 999
Sennheiser USB headset 999
USB Device 0x46d:0x992 999
}

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
 

[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

After I had submitted the bug I replaced my Ubuntu with Windows 7. But
now, having got a response from you, I've installed Ubuntu again
alongside Windows. So the logs which I have attached may not correspond
a little to the info which I put in the problem description initially.
But the problem still exists. Please, give me know if you need any more
information from me.

I don't quite understand what 'digital' means so I've attached the whole
/usr/share/alsa/cards/USB-Audio.conf file which I now have.

** Attachment added: pulseverbose.log
   
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+attachment/3415338/+files/pulseverbose.log

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

launchpad has refused me to add two files simultaneously. Here is USB-
Audio.conf

** Attachment added: USB-Audio.conf
   
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+attachment/3415339/+files/USB-Audio.conf

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Raymond]

do device 0 use for analog (stereo and surround51) and device 1 for
digital optical spdif (iec958) ?

since the default device of iec958 is also zero in usb-audio.conf


post the output of alsa-info.sh

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

At least I can see in System Settings - Sound that, indeed, I have two
devices: digital spdif and 5.1 analog surround (which actually I'm
using). But I'm not certain about their numbers.

alsa-info.sh returned me the following link:
http://www.alsa-project.org/db/?f=4fed3aa723ec7515d6651707c6bc59356f6348a4

Please, let me know if you cannot follow this link (I could).

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Raymond]

try

speaker-test -D hw:1,0 -c 2 -t wav

speaker-test -D hw:1,0 -c 6 -t wav

speaker-test -D surround51 -c 6 -t wav

speaker-test -D hw:1,1 -c 2 -t wav

speaker-test -D iec958:1 -c 2 -t wav

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: alsa-driver (Ubuntu)
   Status: New = Confirmed

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Raymond]

post the pulseaudio verbose log

https://wiki.ubuntu.com/PulseAudio/Log

card 1: Pro [SB X-Fi Surround 5.1 Pro], device 0: USB Audio [USB Audio]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 1: Pro [SB X-Fi Surround 5.1 Pro], device 1: USB Audio [USB Audio #1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


do device 1 support digital ?


# If a device does not use the first PCM device for digital data, the device
# number for the iec958 device can be changed here.
USB-Audio.pcm.iec958_device

http://git.alsa-project.org/?p=alsa-lib.git;a=blob;f=src/conf/cards/USB-
Audio.conf

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  New

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

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[Desktop-packages] [Bug 1051665] Re: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound

[Kirsanov Vitaliy]

Forget to say, if you need any supplementary info  just call me.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1051665

Title:
  [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts
  or crackling sound

Status in “alsa-driver” package in Ubuntu:
  New

Bug description:
  The sound is constantly crackling when I'm listening to the music. If
  I listen to last.fm or youtube for instance in my Chromium browser the
  sound is really good. If I try to use Rhythmbox or Banshee first
  couple of songs may be heard fine but then crackling comes. Especially
  crackling starts if I launch Skype. Even if later I turn Skype off
  still the sound remains bad.

  I failed to try to redirect the sound directly to ALSA device
  bypassing PulseAudio server (I didn't find audio settings neither in
  Rhythmbox nor Banshee) so I cannot tell whether the problem depends on
  the server or it lays somewhere below in ALSA subsystem.

  Also I tried to play with default-fragments and default-fragment-size-msec 
values in /etc/pulse/daemon.conf but it didn't help. Then having read 
https://wiki.ubuntu.com/DebuggingSoundProblems page I added tsched=0 argument 
to 
  load-module module-udev-detect line in /etc/pulse/default.pa. The result was 
not successful.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7b0 irq 58'
 Mixer name : 'IDT 92HD87B1/3'
 Components : 'HDA:111d76d1,102804b0,00100205'
 Controls  : 16
 Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at 
usb-:0b:00.0-1, full sp'
 Mixer name : 'USB Mixer'
 Components : 'USB041e:30df'
 Controls  : 1
 Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Power LED',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'NVidia'/'HDA NVidia at 0xf608 irq 17'
 Mixer name : 'Nvidia GPU 14 HDMI/DP'
 Components : 'HDA:10de0014,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Date: Sun Sep 16 22:46:15 2012
  InstallationMedia: Ubuntu 12.04 LTS Precise Pangolin - Release amd64 
(20120425)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/tcsh
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Pro successful
  Symptom_Card: GF108 High Definition Audio Controller - HDA NVidia
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or crackling sound
  Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts 
or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HVRTT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd03/22/2012:svnDellInc.:pnInspironN5110:pvrNotSpecified:rvnDellInc.:rn0HVRTT:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron N5110
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

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https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions

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