changed host address to align with hf spaces

demo/web_demo_audio.py

@@ -16,7 +16,7 @@ def _get_args():
                         help="Automatically launch the interface in a new tab on the default browser.")
     parser.add_argument("--server-port", type=int, default=7860,
                         help="Demo server port.")
-    parser.add_argument("--server-name", type=str, default="127.0.0.1",
+    parser.add_argument("--server-name", type=str, default="0.0.0.0",
                         help="Demo server name.")
 
     args = parser.parse_args()