Update app.py

app.py

@@ -47,7 +47,7 @@ def text2story(text):
 def text2audio(story_text):
     try:
         # Use the MeloTTS model which has better audio quality
-        synthesizer = pipeline("text-to-speech", model="myshell-ai/MeloTTS-English")
+        synthesizer = pipeline("text-to-speech", model="capleaf/viXTTS")
         
         # Limit text length to avoid timeouts
         max_chars = 500