diff --git a/example/config.json b/example/config.json
index 26301fe..0e730fe 100644
--- a/example/config.json
+++ b/example/config.json
@@ -57,6 +57,6 @@
   "snr_weighted_loss": true,
   "snr_gamma": 1.0,
   "residual_stat_weight": 0.05,
-  "sample_batch_size": 8,
+  "sample_batch_size": 4,
   "sample_seq_len": 128
 }