Update app.py

app.py

@@ -89,7 +89,7 @@ async def generate_audio_with_voice_prefix(text_segment, default_voice, rate, pi
     match = re.search(r'([A-Za-z]+)([-]?\d*)', processed_text)    
     if match:
         prefix_pitch = match.group(1)
-        number = int(match.group(2))
+        number = match.group(2)
         if prefix_pitch in voice_map:
             current_pitch += number
             #processed_text = re.sub(r'[A-Za-z]+-?\d+', '', processed_text, count=1).strip()