My only suggestion, from my experience, is to try to do a fresh complete
install, not an upgrade from 8.10.  When I did the upgrade I had the
same problems but after doing a fresh from scratch install of Jaunty my
sound and video work fine.  

Ken

On Sun, 2009-07-05 at 04:36 +0000, TheJointChief wrote:
> I am running 9.04 (upgraded from 8.10) and have had sound/video issues ever
> since, regardless of the application I am using. Basically, if I play a
> video or music file, and pause, stop, or start a new video, the program
> stops playing audio/video, or it plays it in a crackling way. I've tried
> uninstalling the pulse audio stuff and reinstalling, but that didnt help nor
> have any of the recent updates.
> 
> If anyone has any suggestions or questions, please ask away :)
> 
> -Wes
> 
> On Fri, Jul 3, 2009 at 7:47 PM, ken sease <sease...@comcast.net> wrote:
> 
> > Good question.  I am running along happy on my Jaunty 32bit.  I have
> > noticed a couple of lockups when coming out of suspend the last couple
> > of days.  Maybe because I installed VirtualBox and XP inside that.  Not
> > sure what is causing the lockups yet...
> >
> > I have a spare hard drive that I might install 64 bit Jaunty on because
> > I have never tried that before.  It will be interesting to see how the
> > audio and video does.  I have a DV6000 series HP Laptop with an AMD-64.
> >
> > Ken
> >
> > On Fri, 2009-07-03 at 18:35 +0000, Sean wrote:
> > > Though I may be mistaken, don't the changes made by Stefan Bader in the
> > > recent kernel revision undo the fix? If so, doesn't that mean that
> > > status should still be Triaged, not Fix Released?
> > >
> >
> > --
> > Crackling / scratching noise using Pulseaudio
> > https://bugs.launchpad.net/bugs/345627
> > You received this bug notification because you are a direct subscriber
> > of a duplicate bug.
> >
> 
> 
> -- 
> -TheJointChief
> 
> -- 
> Crackling / scratching noise using Pulseaudio
> https://bugs.launchpad.net/bugs/345627
> You received this bug notification because you are a direct subscriber
> of a duplicate bug.
> 
> Status in PulseAudio sound server: New
> Status in “linux” package in Ubuntu: Triaged
> Status in linux in Ubuntu Jaunty: Fix Released
> 
> Bug description:
> Jaunty SRU information follows:
> 
> Impact: Users of certain Intel8x0 and Intel HDA controllers are experiencing 
> crackling and popping while playing audio files. These symptoms appear when 
> the mixer elements are unmuted. These anomalies are due to buffering and 
> clock adjustment calculations that incorrectly assume that the underlying 
> hardware is well-behaved.
> 
> Resolution/Fix: Improve the buffering and clock calculations by providing 
> more conservative floors and ceilings. Changes are backported from 
> linux-2.6.git and alsa-kmirror.git. Provenance is given in the commits listed 
> below in the Changesets section. Users have fared well using test kernels 
> from http://kernel.ubuntu.com/~dtchen/.
> 
> The original proposal is available at 
> https://lists.ubuntu.com/archives/kernel-team/2009-April/005405.html.
> 
> Test case: If one's audio hardware is among the affected Intel8x0- or Intel 
> HDA-based, simply playing music in GNOME using Rhythmbox will expose this 
> behaviour.
> 
> Changesets:
>  - 
> http://kernel.ubuntu.com/git?p=dtchen/ubuntu-jaunty.git;a=commit;h=b77756ea8b7c973af68258febd7cd11d4b88893a
>  - 
> http://kernel.ubuntu.com/git?p=dtchen/ubuntu-jaunty.git;a=commit;h=c5197004ef2b0c4ebfb0fcb68715a0fce4c39cad
>  - 
> http://kernel.ubuntu.com/git?p=dtchen/ubuntu-jaunty.git;a=commit;h=3ed92131e73867a5fb6064642fd6873fcd194d75
> 
> ACKs:
>  - https://lists.ubuntu.com/archives/kernel-team/2009-April/005414.html
>  - https://lists.ubuntu.com/archives/kernel-team/2009-April/005427.html
> 
> Regression potential: Theoretically, there is extremely low probability for 
> regression, as these patches simply remove the assumptions that the 
> underlying hardware is well-behaved. Practically, users of 
> jack-audio-connection-kit (JACK) and other native ALSA apps [not routed 
> through PulseAudio as is the default in Ubuntu] may notice changes in jitter. 
> Testing since Jaunty's release has revealed no regressions.
> 
> --
> Original bug information follows:
> 
> I hope this isn't a dupe. A few people (myself included) are experiencing odd 
> crackling / scratching noises when using pulseaudio. This frequently happens 
> when you try to start a new piece of music or video. Sometimes it will 
> crackle for a few seconds, then play as normal; sometimes it will 
> fast-forward through a few minutes of the song then start playing; sometimes 
> it will crackle then stop entirely and I have to kill pa.
> 
> Here's a URL of my output of alsa-info.sh: 
> http://www.alsa-project.org/db/?f=44dc1549d60508bd181a03ee1c65465aa5c9024d
> 
> Here's a link to the ongoing thread at ubuntuforums: 
> http://ubuntuforums.org/showthread.php?t=1084919&page=4
> 
> I have pulseaudio 0.9.14 from the main jaunty server.
> 
> ProblemType: Bug
> Architecture: i386
> DistroRelease: Ubuntu 9.04
> MachineType: Packard Bell BV EasyNote MB85
> NonfreeKernelModules: nvidia
> Package: linux-image-2.6.28-11-generic 2.6.28-11.35
> ProcCmdLine: root=UUID=36b4053e-7e48-4a1a-8666-b63058a30816 ro quiet splash
> ProcEnviron:
>  LANG=en_GB.UTF-8
>  SHELL=/bin/bash
> ProcVersionSignature: Ubuntu 2.6.28-11.35-generic
> SourcePackage: linux

-- 
Crackling / scratching noise using Pulseaudio
https://bugs.launchpad.net/bugs/345627
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.

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