diff --git a/trainset_preprocess_pipeline_print.py b/trainset_preprocess_pipeline_print.py
index 40617a1..68b89d2 100644
--- a/trainset_preprocess_pipeline_print.py
+++ b/trainset_preprocess_pipeline_print.py
@@ -31,7 +31,7 @@ class PreProcess:
     def __init__(self, sr, exp_dir):
         self.slicer = Slicer(
             sr=sr,
-            threshold=-32,
+            threshold=-40,
             min_length=800,
             min_interval=400,
             hop_size=15,