diff --git a/trainset_preprocess_pipeline_print.py b/trainset_preprocess_pipeline_print.py
index 376888a..7b19e3e 100644
--- a/trainset_preprocess_pipeline_print.py
+++ b/trainset_preprocess_pipeline_print.py
@@ -45,7 +45,7 @@ class PreProcess:
         )
         self.sr = sr
         self.bh, self.ah = signal.butter(N=5, Wn=48, btype="high", fs=self.sr)
-        self.per = 3.7
+        self.per = 3.0
         self.overlap = 0.3
         self.tail = self.per + self.overlap
         self.max = 0.9