Daniel, your idea was right.
1) Using the kernel 4.18 the noise disappeared 2) crackling was from the headphones 3) Over-Amplification is (and was) disabled A- March 26, 2019 4:01 AM, "Daniel van Vugt" <daniel.van.v...@canonical.com> wrote: > Thanks for the bug report. Since pulseaudio is unchanged (the same > version) in 19.04 from 18.10 I think we can exclude that as a possible > cause. > > 1. The first idea I have about possible causes is a kernel change (and > the kernel has changed a lot). Please try some older kernels from here: > > https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D > > (for reference, Ubuntu 18.10 uses kernel 4.18). > > 2. Also, is the crackling from internal speakers or headphones? > > 3. Finally, please check that something hasn't accidentally enabled: > > Settings > Sound > Over-Amplification > > as that could cause crackling. > > ** Package changed: pulseaudio (Ubuntu) => linux (Ubuntu) > > ** Changed in: linux (Ubuntu) > Status: New => Incomplete > > ** Summary changed: > > - repeating crackling noise after 19.04 upgrade > + [snd_hda_codec_realtek] repeating crackling noise after 19.04 upgrade > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1821663 > > Title: > [snd_hda_codec_realtek] repeating crackling noise after 19.04 upgrade > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1821663/+subscriptions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1821663 Title: [snd_hda_codec_realtek] repeating crackling noise after 19.04 upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1821663/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
