Thanks to your reply to my problems with 18.04 and sound. Just now saw it, so I am only now replying.
On Wed, Feb 27, 2019 at 4:25 PM Jean-Pierre van Riel < [email protected]> wrote: > It's a shot in the dark, but in my case, pulse sound server (atop of > alsa) seems to have gotten into a mess with an upgrade between 16.04 and > 18.04. Post login, removing old / session start user config fixed my > dodgy channel mappings (but not quite the same as crackling, etc): > > pulseaudio --kill \ > && rm -r ~/.config/pulse/* \ > && pulseaudio --start > > However, every new boot, the same missing channel mappings cause my > audio to sound bad (not mapped correctly to 5.1 channels). > > Also, try alsa-info which is a script that bundles all the alsa > inspection commands and then maybe try fish for the problem in that. > Also try figure out how to play a sound file directly to alsa vs via the > pulse sound server to rule out pulse causing the problem. > > I think the speaker-test command also directly tests the alsa layer > where as the gnome-control-centre (settings) sound page "Test Speakers" > tests the setup via pulse. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1790816 > > Title: > Terrible sound after update to 18.04 > > Status in alsa-driver package in Ubuntu: > New > > Bug description: > The sound just is extremely distorted after update to 18.04. Like an > old radio that's not picking up the station right. I saw a webpage > about the same device I am using and tried their solution. That didn't > help at all. Hope I didn't make things worse. > > I saw a page that mentioned the lspci command. Based on that, I guess > I am using an Intel 82801 JD/DO audio card. One site said that > requires an snd_hda_intel driver, but all I could find in Synaptic > Package Manager was that an alsa driver and pulse audio were > installed. Could the correct driver have been removed with the new > installation? > > This computer has been kind of buggy as of late, but the audio had > been working. I had problems installing this OS. Mostly it seems to be > working otherwise though. > > 1) Description: Ubuntu 18.04.1 LTS > Release: 18.04 > > 2) N: Unable to locate package pkgname > > 3) What you expected to happen: sound to work properly > > 4) What happened instead: sound distorted > > Hope my attempt to fix it doesn't screw up the bug report. > > ProblemType: Bug > DistroRelease: Ubuntu 18.04 > Package: alsa-base 1.0.25+dfsg-0ubuntu5 > ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18 > Uname: Linux 4.15.0-33-generic x86_64 > ApportVersion: 2.20.9-0ubuntu7.2 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: szettner 2030 F.... pulseaudio > CurrentDesktop: GNOME-Flashback:GNOME > Date: Wed Sep 5 03:07:08 2018 > InstallationDate: Installed on 2017-06-28 (433 days ago) > InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 > (20170215.2) > PackageArchitecture: all > SourcePackage: alsa-driver > Symptom: audio > Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed > Symptom_Card: Built-in Audio - HDA Intel > Symptom_Jack: Green Headphone Out, Front > Symptom_Type: High background noise, or volume is too low > Title: [OptiPlex 760, Analog Devices AD1984A, Green Headphone Out, > Front] Background noise or low volume > UpgradeStatus: Upgraded to bionic on 2018-09-02 (2 days ago) > dmi.bios.date: 12/03/2008 > dmi.bios.vendor: Dell Inc. > dmi.bios.version: A01 > dmi.board.name: 0D517D > dmi.board.vendor: Dell Inc. > dmi.board.version: A00 > dmi.chassis.type: 3 > dmi.chassis.vendor: Dell Inc. > dmi.modalias: > dmi:bvnDellInc.:bvrA01:bd12/03/2008:svnDellInc.:pnOptiPlex760:pvr:rvnDellInc.:rn0D517D:rvrA00:cvnDellInc.:ct3:cvr: > dmi.product.name: OptiPlex 760 > dmi.sys.vendor: Dell Inc. > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1790816/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1790816 Title: Terrible sound after update to 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1790816/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
