diff --git a/src/cthulhu/sound.py b/src/cthulhu/sound.py
index ed3bb6b..e04d41a 100644
--- a/src/cthulhu/sound.py
+++ b/src/cthulhu/sound.py
@@ -128,6 +128,10 @@ class Player:
     def stop(self, _element: Any = None) -> None:
         """Stops current sound playback."""
 
+        with self._workerLock:
+            if self._workerProcess is None or self._workerProcess.poll() is not None:
+                return
+
         self._sendWorkerCommand({"action": "stop"}, waitForResponse=False)
 
     def shutdown(self) -> None:
diff --git a/src/cthulhu/speech.py b/src/cthulhu/speech.py
index 7d18353..604aeeb 100644
--- a/src/cthulhu/speech.py
+++ b/src/cthulhu/speech.py
@@ -694,6 +694,8 @@ def stop() -> None:
         _speechserver.stop() # type: ignore
     if _echoSpeechserver and _echoSpeechserver != _speechserver:
         _echoSpeechserver.stop() # type: ignore
+    player = sound.getPlayer()
+    player.stop()
 
 def shutdown() -> None:
     debug.printMessage(debug.LEVEL_INFO, 'SPEECH: Shutting down', True)
diff --git a/tests/test_presentation_interrupt_sound_regressions.py b/tests/test_presentation_interrupt_sound_regressions.py
new file mode 100644
index 0000000..6a44e2c
--- /dev/null
+++ b/tests/test_presentation_interrupt_sound_regressions.py
@@ -0,0 +1,30 @@
+import sys
+import unittest
+from pathlib import Path
+from unittest import mock
+
+sys.path.insert(0, str(Path(__file__).resolve().parents[1] / "src"))
+
+from cthulhu import speech
+
+
+class PresentationInterruptSoundRegressionTests(unittest.TestCase):
+    def test_speech_stop_also_stops_sound_playback(self):
+        speechServer = mock.Mock()
+        echoServer = mock.Mock()
+        soundPlayer = mock.Mock()
+
+        with (
+            mock.patch.object(speech, "_speechserver", speechServer),
+            mock.patch.object(speech, "_echoSpeechserver", echoServer),
+            mock.patch.object(speech.sound, "getPlayer", return_value=soundPlayer),
+        ):
+            speech.stop()
+
+        speechServer.stop.assert_called_once_with()
+        echoServer.stop.assert_called_once_with()
+        soundPlayer.stop.assert_called_once_with()
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/tests/test_sound_recovery.py b/tests/test_sound_recovery.py
index d6d9560..e69a9e4 100644
--- a/tests/test_sound_recovery.py
+++ b/tests/test_sound_recovery.py
@@ -38,8 +38,11 @@ from cthulhu import sound_sink
 
 
 class _FakeProcess:
+    def __init__(self, returnCode=None):
+        self.returnCode = returnCode
+
     def poll(self):
-        return None
+        return self.returnCode
 
 
 class SoundSinkTests(unittest.TestCase):
@@ -107,6 +110,23 @@ class PlayerRecoveryTests(unittest.TestCase):
         self.assertEqual(stopReasons, ["lost audio sink"])
         self.assertEqual(startedSinks, [settings.SOUND_SINK_AUTO])
 
+    def test_stop_does_not_start_worker_when_worker_is_not_running(self):
+        player = sound.Player()
+
+        with mock.patch.object(player, "_sendWorkerCommand") as sendCommand:
+            player.stop()
+
+        sendCommand.assert_not_called()
+
+    def test_stop_sends_command_to_running_worker(self):
+        player = sound.Player()
+        player._workerProcess = _FakeProcess()
+
+        with mock.patch.object(player, "_sendWorkerCommand") as sendCommand:
+            player.stop()
+
+        sendCommand.assert_called_once_with({"action": "stop"}, waitForResponse=False)
+
 
 if __name__ == "__main__":
     unittest.main()