Update app.py

app.py

@@ -170,7 +170,7 @@ class VibeVoiceDemo:
             # The generated audio is often in speech_outputs or a similar attribute
             if hasattr(outputs, 'speech_outputs') and outputs.speech_outputs[0] is not None:
                 audio_tensor = outputs.speech_outputs[0]
-                audio = audio_tensor.cpu().numpy()
+                audio = audio_tensor.cpu().float().numpy()
             else:
                 raise gr.Error("❌ Error: No audio was generated by the model. Please try again.")