diff --git a/egs/librispeech/ASR/local/.compute_fbank_vox.py.swp b/egs/librispeech/ASR/local/.compute_fbank_vox.py.swp
index 8306b49cd..b2aa93f79 100644
Binary files a/egs/librispeech/ASR/local/.compute_fbank_vox.py.swp and b/egs/librispeech/ASR/local/.compute_fbank_vox.py.swp differ
diff --git a/egs/librispeech/ASR/local/compute_fbank_vox.py b/egs/librispeech/ASR/local/compute_fbank_vox.py
index b243f672b..450cc6846 100755
--- a/egs/librispeech/ASR/local/compute_fbank_vox.py
+++ b/egs/librispeech/ASR/local/compute_fbank_vox.py
@@ -67,6 +67,12 @@ def get_args():
         type=str,
         default=None,
     )
+    
+    parser.add_argument(
+        "--speed",
+        type=str2bool,
+        default=False,
+    )
 
     return parser.parse_args()