diff --git a/modules/audioInferenceSpeech.py b/modules/audioInferenceSpeech.py
index 999cea5..c3f901f 100644
--- a/modules/audioInferenceSpeech.py
+++ b/modules/audioInferenceSpeech.py
@@ -98,9 +98,9 @@ class RunwareAudioInferenceSpeech:
         voice = (kwargs.get("voice") or "").strip()
         use_voice = kwargs.get("useVoice", False)
         use_speed = kwargs.get("useSpeed", False)
-        speed = float(kwargs.get("speed", 1.0))
+        speed = float(kwargs.get("speed", 0.0))
         use_volume = kwargs.get("useVolume", False)
-        volume = float(kwargs.get("volume", 1.0))
+        volume = float(kwargs.get("volume", 0.0))
         use_pitch = kwargs.get("usePitch", False)
         pitch = float(kwargs.get("pitch", 0.0))
         use_emotion = kwargs.get("useEmotion", False)