In testing this, I find no difference in the output of fuser when testing this. However, deleting ~/.pulse/* does allow playback. Adding sudo to the playback application has no effect, as the pulseaudio daemon is still owned by the user.
In testing this, I find no difference in the output of fuser when testing this. However, deleting ~/.pulse/* does allow playback. Adding sudo to the playback application has no effect, as the pulseaudio daemon is still owned by the user.