Update app.py

app.py

@@ -19,6 +19,7 @@ from twilio.rest import Client
 import logging
 import whisper
 import speech_recognition as sr
+from gtts import gTTS
 #model = whisper.load_model("base")
 
 
@@ -86,12 +87,31 @@ def get_questions(prompt, input_text, num_questions=3, max_retries=10):
 
     return new_questions
 
-async def generate_question_audio(question, voice="en-IE-EmilyNeural"):
+async def generate_question_audio(question, voice="en-US-AriaNeural"):
     clean_question = re.sub(r'[^A-Za-z0-9.,?! ]+', '', question)
     tts = edge_tts.Communicate(text=clean_question, voice=voice)
     with tempfile.NamedTemporaryFile(delete=False, suffix=".mp3") as tmp_file:
-        await tts.save(tmp_file.name)
-        return tmp_file.name
+        try:
+            # 🔹 Try Edge-TTS first
+            tts = edge_tts.Communicate(text=clean_question, voice=voice)
+            await tts.save(tmp_file.name)
+            print("✅ Edge-TTS audio generated successfully.")
+            return tmp_file.name
+            
+        except Exception as e:
+            print(f"⚠️ Edge-TTS failed: {e}")
+            print("⏪ Falling back to Google TTS...")
+
+            try:
+                # 🔹 Fallback: Google TTS (works inside Hugging Face)
+                tts = gTTS(text=clean_question, lang="en")
+                tts.save(tmp_file.name)
+                print("✅ gTTS fallback audio generated successfully.")
+                return tmp_file.name
+
+            except Exception as e2:
+                print(f"❌ gTTS also failed: {e2}")
+                return None
     
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