Update app.py

app.py

@@ -80,7 +80,7 @@ def transcribe_from_youtube(url, apply_wiener_filter, apply_normalization, apply
         transcription, processed_audio = transcribe_speech(audio)
         audio_np = processed_audio.numpy().squeeze()
         audio_output = BytesIO()
-        torchaudio.save(audio_output, torch.tensor(audio_np).unsqueeze(0), 16000)
+        torchaudio.save(audio_output, torch.tensor(audio_np).unsqueeze(0), 16000, format="wav")
         audio_output.seek(0)
 
     except Exception as e: