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[Bug 1378752] Re: Crackling in PulseAudio when using src-linear or src-sinc-fastest resamplers with 22050Hz audio

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** Description changed:

- On my system, I had problems with both excess CPU usage and tried to
- resolve them by using a simpler resampling algorithm. However, that
- resulted in crackling audio from DOSBox and Windows 3.1 games running
- under Wine 1.2.x.
+ On my system, I had problems with excess CPU usage and tried to resolve
+ them by using a simpler resampling algorithm. However, that resulted in
+ crackling audio from DOSBox and Windows 3.1 games running under Wine
+ 1.2.x.
  
  (Both are configured to output audio at 22050Hz, with which ALSA dmix
  has no problem, and, in the case of the Windows 3.1 games, that's not
  something that can be reconfigured as far as I know.)
  
  Nothing I changed seemed to help and I was forced to return to speex-
  float-1.
  
  (As such, the pulseaudio config files in the debug dump don't represent
  PA in a broken configuration... just one that consumes more CPU than I'd
  like it to.)
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: pulseaudio 1:4.0-0ubuntu11
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Wed Oct  8 06:28:19 2014
  InstallationDate: Installed on 2014-08-01 (68 days ago)
  InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  SourcePackage: pulseaudio
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/07/2011
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F2
  dmi.board.name: GA-880GMA-USB3
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd03/07/2011:svnGigabyteTechnologyCo.,Ltd.:pnGA-880GMA-USB3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-880GMA-USB3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-880GMA-USB3
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  modified.conffile..etc.pulse.daemon.conf: [modified]
  modified.conffile..etc.pulse.default.pa: [modified]
  mtime.conffile..etc.pulse.daemon.conf: 2014-10-08T06:21:40.701763
  mtime.conffile..etc.pulse.default.pa: 2014-10-08T02:32:14.607127

** Description changed:

  On my system, I had problems with excess CPU usage and tried to resolve
  them by using a simpler resampling algorithm. However, that resulted in
  crackling audio from DOSBox and Windows 3.1 games running under Wine
  1.2.x.
  
  (Both are configured to output audio at 22050Hz, with which ALSA dmix
  has no problem, and, in the case of the Windows 3.1 games, that's not
- something that can be reconfigured as far as I know.)
+ something that can be changed as far as I know.)
  
  Nothing I changed seemed to help and I was forced to return to speex-
  float-1.
  
  (As such, the pulseaudio config files in the debug dump don't represent
  PA in a broken configuration... just one that consumes more CPU than I'd
  like it to.)
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: pulseaudio 1:4.0-0ubuntu11
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Wed Oct  8 06:28:19 2014
  InstallationDate: Installed on 2014-08-01 (68 days ago)
  InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  SourcePackage: pulseaudio
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/07/2011
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F2
  dmi.board.name: GA-880GMA-USB3
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd03/07/2011:svnGigabyteTechnologyCo.,Ltd.:pnGA-880GMA-USB3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-880GMA-USB3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-880GMA-USB3
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  modified.conffile..etc.pulse.daemon.conf: [modified]
  modified.conffile..etc.pulse.default.pa: [modified]
  mtime.conffile..etc.pulse.daemon.conf: 2014-10-08T06:21:40.701763
  mtime.conffile..etc.pulse.default.pa: 2014-10-08T02:32:14.607127

** Description changed:

  On my system, I had problems with excess CPU usage and tried to resolve
  them by using a simpler resampling algorithm. However, that resulted in
  crackling audio from DOSBox and Windows 3.1 games running under Wine
  1.2.x.
  
  (Both are configured to output audio at 22050Hz, with which ALSA dmix
  has no problem, and, in the case of the Windows 3.1 games, that's not
  something that can be changed as far as I know.)
  
- Nothing I changed seemed to help and I was forced to return to speex-
+ Nothing I tried seemed to help and I was forced to return to speex-
  float-1.
  
  (As such, the pulseaudio config files in the debug dump don't represent
  PA in a broken configuration... just one that consumes more CPU than I'd
  like it to.)
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: pulseaudio 1:4.0-0ubuntu11
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Wed Oct  8 06:28:19 2014
  InstallationDate: Installed on 2014-08-01 (68 days ago)
  InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  SourcePackage: pulseaudio
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/07/2011
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F2
  dmi.board.name: GA-880GMA-USB3
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd03/07/2011:svnGigabyteTechnologyCo.,Ltd.:pnGA-880GMA-USB3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-880GMA-USB3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-880GMA-USB3
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  modified.conffile..etc.pulse.daemon.conf: [modified]
  modified.conffile..etc.pulse.default.pa: [modified]
  mtime.conffile..etc.pulse.daemon.conf: 2014-10-08T06:21:40.701763
  mtime.conffile..etc.pulse.default.pa: 2014-10-08T02:32:14.607127

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1378752

Title:
  Crackling in PulseAudio when using src-linear or src-sinc-fastest
  resamplers with 22050Hz audio

Status in “pulseaudio” package in Ubuntu:
  New

Bug description:
  On my system, I had problems with excess CPU usage and tried to
  resolve them by using a simpler resampling algorithm. However, that
  resulted in crackling audio from DOSBox and Windows 3.1 games running
  under Wine 1.2.x.

  (Both are configured to output audio at 22050Hz, with which ALSA dmix
  has no problem, and, in the case of the Windows 3.1 games, that's not
  something that can be changed as far as I know.)

  Nothing I tried seemed to help and I was forced to return to speex-
  float-1.

  (As such, the pulseaudio config files in the debug dump don't
  represent PA in a broken configuration... just one that consumes more
  CPU than I'd like it to.)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: pulseaudio 1:4.0-0ubuntu11
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Wed Oct  8 06:28:19 2014
  InstallationDate: Installed on 2014-08-01 (68 days ago)
  InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  SourcePackage: pulseaudio
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/07/2011
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F2
  dmi.board.name: GA-880GMA-USB3
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd03/07/2011:svnGigabyteTechnologyCo.,Ltd.:pnGA-880GMA-USB3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-880GMA-USB3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-880GMA-USB3
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  modified.conffile..etc.pulse.daemon.conf: [modified]
  modified.conffile..etc.pulse.default.pa: [modified]
  mtime.conffile..etc.pulse.daemon.conf: 2014-10-08T06:21:40.701763
  mtime.conffile..etc.pulse.default.pa: 2014-10-08T02:32:14.607127

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1378752/+subscriptions

References

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