diff --git a/enhancer/cli/train_config/dataset/Vctk.yaml b/enhancer/cli/train_config/dataset/Vctk.yaml
index 4eca03b..831d576 100644
--- a/enhancer/cli/train_config/dataset/Vctk.yaml
+++ b/enhancer/cli/train_config/dataset/Vctk.yaml
@@ -1,8 +1,8 @@
 _target_: enhancer.data.dataset.EnhancerDataset
 name : vctk
 root_dir : /scratch/c.sistc3/DS_10283_2791
-duration : 4.5
-stride : 0.5
+duration : 2
+stride : 1
 sampling_rate: 16000
 batch_size: 128
 valid_minutes : 25