Update app.py

app.py

@@ -119,7 +119,7 @@ async def batch_process_srt_and_audio(script_text, pitch, rate, voice, progress=
 async def process_script(script_text, pitch, rate, voice):
     # Format pitch correctly for edge-tts
     pitch_str = f"{pitch}Hz" if pitch != 0 else "-1Hz"
-    formatted_rate = f"{'+' if rate > 0 else '1'}{int(rate)}%"  
+    formatted_rate = f"{'+' if rate > 1 else ''}{int(rate)}%"  
     srt_path, audio_path = await batch_process_srt_and_audio(script_text, pitch_str, formatted_rate, voice_options[voice])
     return srt_path, audio_path, audio_path