Thanks for the bug report. It looks like you are using Bluetooth audio and also experiencing lots of kernel crashes in the rtw88_core module.
Just in case the kernel crashes are not related, please check that you don't still have the Settings window open as that can cause some audio quality problems. Next, please try disabling wifi. Because 2.4GHz wifi networks can directly interfere with Bluetooth signal quality. Please also run: lspci > lspci.txt lsusb > lsusb.txt and attach the resulting text files here. ** Summary changed: - [CMT-SBT20, playback] Underruns, dropouts or crackling sound + Bluetooth audio underruns, dropouts or crackling sound ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete ** Tags added: a2dp ** Package changed: pulseaudio (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1913947 Title: Bluetooth audio underruns, dropouts or crackling sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1913947/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs