pulseaudio: High-priority scheduling enabled in configuration but not allowed by policy.

pulseaudio[4914]: main.c: High-priority scheduling enabled in configuration but not allowed by policy.
pulseaudio[4912]: alsa-util.c: Error opening PCM device hw:0: Keine Berechtigung
pulseaudio[4912]: module.c: Failed to load module „module-alsa-source“ (argument: „device_id=0 source_name=alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0 tsched=1“): initialization failed.
pulseaudio[4912]: alsa-util.c: Error opening PCM device hw:0: Keine Berechtigung
pulseaudio[4912]: module.c: Failed to load module „module-alsa-sink“ (argument: „device_id=0 sink_name=alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0 tsched=1“): initialization failed.
pulseaudio[4970]: pid.c: Daemon already running.
pulseaudio[4912]: alsa-util.c: Error opening PCM device hw:0: Keine Berechtigung
pulseaudio[4912]: module.c: Failed to load module „module-alsa-sink“ (argument: „device_id=0 sink_name=alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0 tsched=1“): initialization failed.
pulseaudio[4912]: alsa-util.c: Error opening PCM device hw:0: Keine Berechtigung
pulseaudio[4912]: module.c: Failed to load module „module-alsa-source“ (argument: „device_id=0 source_name=alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0 tsched=1“): initialization failed.
pulseaudio[4912]: alsa-util.c: Error opening PCM device hw:0: Keine Berechtigung
pulseaudio[4912]: module.c: Failed to load module „module-alsa-sink“ (argument: „device_id=0 sink_name=alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0 tsched=1“): initialization failed.
pulseaudio[4912]: alsa-util.c: Error opening PCM device hw:0: Keine Berechtigung
pulseaudio[4912]: module.c: Failed to load module „module-alsa-source“ (argument: „device_id=0 source_name=alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0 tsched=1“): initialization failed.

Die Lösung des Problems

Der User muss der Gruppe „Audio“ angehören. Eventuell den Gruppen „pulse*“ zudem.