diff --git a/apps/common/util/common.py b/apps/common/util/common.py
index c654862c3..f442dbcee 100644
--- a/apps/common/util/common.py
+++ b/apps/common/util/common.py
@@ -179,6 +179,7 @@ def any_to_mp3(any_path, mp3_path):
         sil_to_wav(any_path, any_path)
         any_path = mp3_path
     audio = AudioSegment.from_file(any_path)
+    audio = audio.set_frame_rate(16000)
     audio.export(mp3_path, format="mp3")