diff --git a/homeassistant/components/wyoming/assist_satellite.py b/homeassistant/components/wyoming/assist_satellite.py
index 75c227f8537..1a1a67bf1de 100644
--- a/homeassistant/components/wyoming/assist_satellite.py
+++ b/homeassistant/components/wyoming/assist_satellite.py
@@ -739,7 +739,7 @@ class WyomingAssistSatellite(WyomingSatelliteEntity, AssistSatelliteEntity):
                         timestamp=timestamp,
                     )
                     await self._client.write_event(chunk.event())
-                    timestamp += chunk.seconds
+                    timestamp += chunk.milliseconds
                     total_seconds += chunk.seconds
 
                 await self._client.write_event(AudioStop(timestamp=timestamp).event())
diff --git a/homeassistant/components/wyoming/conversation.py b/homeassistant/components/wyoming/conversation.py
index 5760d04bfc2..988cf3c9045 100644
--- a/homeassistant/components/wyoming/conversation.py
+++ b/homeassistant/components/wyoming/conversation.py
@@ -149,21 +149,21 @@ class WyomingConversationEntity(
                         not_recognized = NotRecognized.from_event(event)
                         intent_response.async_set_error(
                             intent.IntentResponseErrorCode.NO_INTENT_MATCH,
-                            not_recognized.text,
+                            not_recognized.text or "",
                         )
                         break
 
                     if Handled.is_type(event.type):
                         # Success
                         handled = Handled.from_event(event)
-                        intent_response.async_set_speech(handled.text)
+                        intent_response.async_set_speech(handled.text or "")
                         break
 
                     if NotHandled.is_type(event.type):
                         not_handled = NotHandled.from_event(event)
                         intent_response.async_set_error(
                             intent.IntentResponseErrorCode.FAILED_TO_HANDLE,
-                            not_handled.text,
+                            not_handled.text or "",
                         )
                         break
 
diff --git a/homeassistant/components/wyoming/wake_word.py b/homeassistant/components/wyoming/wake_word.py
index 2a21b7303e5..091b400a6c7 100644
--- a/homeassistant/components/wyoming/wake_word.py
+++ b/homeassistant/components/wyoming/wake_word.py
@@ -147,8 +147,10 @@ class WyomingWakeWordProvider(wake_word.WakeWordDetectionEntity):
                                     queued_audio = [audio_task.result()]
 
                                 return wake_word.DetectionResult(
-                                    wake_word_id=detection.name,
-                                    wake_word_phrase=self._get_phrase(detection.name),
+                                    wake_word_id=detection.name or "",
+                                    wake_word_phrase=self._get_phrase(
+                                        detection.name or ""
+                                    ),
                                     timestamp=detection.timestamp,
                                     queued_audio=queued_audio,
                                 )