diff --git a/douyin_youtube_ffplay.py b/douyin_youtube_ffplay.py
index f528b7a..a983669 100644
--- a/douyin_youtube_ffplay.py
+++ b/douyin_youtube_ffplay.py
@@ -196,7 +196,7 @@ def start_douyin_youtube_ffplay(
 
   
 
-
+        # "arnndn=m=./arnndn-models/cb.rnnn:mix=0.85,"      # 人声增强
 # 720p-低CPU + 背景音乐处理 + 防ContentID
     ffmpeg_command = [
         "ffmpeg", "-y", "-loglevel", "info", "-nostdin", "-re",
@@ -233,7 +233,6 @@ def start_douyin_youtube_ffplay(
         # 音频处理（轻量 + 背景音乐弱化 + 防Content ID）
         "-c:a", "aac", "-b:a", "128k", "-ar", "48000", "-ac", "2",
         "-af",
-        "arnndn=m=./arnndn-models/cb.rnnn:mix=0.85,"      # 人声增强
         "afftdn=nf=-28:tn=1,"                             # 轻 FFT 降噪，背景弱化
         "highpass=f=120,lowpass=f=4800,"                  # 切低频鼓 & 高频镲
         "equalizer=f=250:width_type=o:width=2:g=-8,"      # 衰减低中频