try systemd

zzz_draft_birdnet-pi/rootfs/custom-services.d/00_dbus

@@ -1,4 +1,14 @@
 #!/usr/bin/with-contenv bashio
-echo "Starting service: dbus"
-exec \
-    dbus-daemon --system --nofork
+# Waiting for dbus
+until [[ -e /var/run/dbus/system_bus_socket ]]; do
+    sleep 1s
+done
+
+echo "Starting service: pulseaudio"
+while :
+do
+    if [[ ! $(/usr/bin/pulseaudio --check) ]]; then
+        /usr/bin/pulseaudio --system
+    fi
+    sleep 10
+done