Lokal erzeugte Kalender-Hinweistoene:

- crystal.wav
- pulse.wav
- aurora.wav
- soft_bell.wav

Mixkit Free Sound Effects (https://mixkit.co/license/):

- access_allowed.wav  (ehem. mixkit-access-allowed-tone-2869)
- arcade_magic.wav  (ehem. mixkit-arcade-magic-notification-2342)
- confirmation.wav  (ehem. mixkit-confirmation-tone-2867)
- magic_ring.wav  (ehem. mixkit-magic-notification-ring-2344)
- orchestral_emergency.wav  (ehem. mixkit-orchestral-emergency-alarm-2974)
- positive.wav  (ehem. mixkit-positive-notification-951)
- uplifting_flute.wav  (ehem. mixkit-uplifting-flute-notification-2317)
- electric_fence.wav  (ehem. mixkit-electric-fence-alert-2969)
- industry_alarm.wav  (ehem. mixkit-industry-alarm-tone-2979)
- mechanical_brush.wav  (ehem. mixkit-mechanical-brush-transition-3146)

Quelle: https://mixkit.co/free-sound-effects/notification/
