Update srv.py

srv.py

@@ -92,7 +92,7 @@ def download_media():
                     'postprocessors': [{
                         'key': 'FFmpegExtractAudio',
                         'preferredcodec': 'mp3',
-                        'preferredquality': '64',
+                        'preferredquality': '128',
                     }],
                 }