From 9ad706e29dd9c8509efa39e88c34eade825d319a Mon Sep 17 00:00:00 2001
From: Hui Zhang <zhtclz@foxmail.com>
Date: Thu, 22 Apr 2021 08:12:35 +0000
Subject: [PATCH] fix compute cmvn

---
 utils/compute_mean_std.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/utils/compute_mean_std.py b/utils/compute_mean_std.py
index 682a53873..ddaa36845 100644
--- a/utils/compute_mean_std.py
+++ b/utils/compute_mean_std.py
@@ -64,7 +64,8 @@ def main():
         max_freq=None,
         target_sample_rate=args.sample_rate,
         use_dB_normalization=True,
-        target_dB=-20)
+        target_dB=-20,
+        dither=0.0)
 
     def augment_and_featurize(audio_segment):
         augmentation_pipeline.transform_audio(audio_segment)