Update app.py

app.py

@@ -91,6 +91,9 @@ def prepare_sentences(text, lang="mya"):
         text = convert_numbers_to_words_num2words(text, lang)
     print("Processed text", text)
 
+    # Not sure why this can fix unclear pronunciation for the first word of vie
+    text = text.lower()
+
     paragraphs = [paragraph for paragraph in text.split("\n") if paragraph.strip()]
 
     if lang.lower() == "vie":