Update app.py

app.py

@@ -49,7 +49,7 @@ async def transcribe(websocket: WebSocket):
         print("Step 3.5: cleaning audio with DeepFilterNet")
 
         audio_data, _ = load_audio(tmp_path, sr=df_state.sr())
-        enhanced_audio = enhance(df_model, df_state, audio_data)
+        enhanced_audio = enhance(df_model, df_state, audio_data, atten_lim_db=20)
         enhanced_path = tmp_path.replace(".wav", "_enhanced.wav")
         save_audio(enhanced_path, enhanced_audio, df_state.sr())
         print(f"Step 3.6: cleaned audio saved to {enhanced_path}")