diff --git a/egs/librispeech/ASR/.conv_feat_vis.py.swp b/egs/librispeech/ASR/.conv_feat_vis.py.swp
index e6672bf05..156805da7 100644
Binary files a/egs/librispeech/ASR/.conv_feat_vis.py.swp and b/egs/librispeech/ASR/.conv_feat_vis.py.swp differ
diff --git a/egs/librispeech/ASR/conv_feat_vis.py b/egs/librispeech/ASR/conv_feat_vis.py
index e05dd9ac2..62d40b54e 100644
--- a/egs/librispeech/ASR/conv_feat_vis.py
+++ b/egs/librispeech/ASR/conv_feat_vis.py
@@ -15,7 +15,13 @@ for feat in feats:
 feats_all = feats_all.transpose(1,0)
 print(feats_all.shape)
 
+for i in range(512):
+    mean = feats_all[i].mean()
+    std = feats_all[i].std()
+    print(mean, std)
+'''
 for i in range(512):
     plt.hist(feats_all[i], bins=500)
     plt.savefig(f'./conv_feat/dim_{i}.pdf')
     plt.close()
+'''