diff --git a/egs/librispeech/ASR/.conv_feat_vis.py.swp b/egs/librispeech/ASR/.conv_feat_vis.py.swp
index b12886590..a24e9ff16 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 54ece8675..319d7630e 100644
--- a/egs/librispeech/ASR/conv_feat_vis.py
+++ b/egs/librispeech/ASR/conv_feat_vis.py
@@ -10,6 +10,9 @@ for spk in tqdm(spk_list):
     feat_list = glob(f'{spk}/*.npy')
     static_file = open(f'{spk}/{spk_id}_statistic.txt', 'w')
 
+    if len(feat_list) > 100:
+        feat_list = feat_list[:100]
+
     for feat in tqdm(feat_list, leave=False):
         feat = np.load(feat)
         feats.append(feat)