Hmm, this looks like someone reported exactly this about a year ago: https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/762
Unfortunately it's closed with "approach the driver maintainer". ** Bug watch added: gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues #762 https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/762 -- 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/1899953 Title: Crackling audio on Raspberry Pi Desktop Status in pulseaudio package in Ubuntu: New Bug description: Attempting to play audio (e.g. from rhythmbox) on the raspberry pi desktop image, results in broken up / crackling audio. The "tsched=0" workaround noted in https://wiki.ubuntu.com/Audio/PositionReporting#Turning_off_PulseAudio_timer_scheduling successfully avoids the issue. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1899953/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
