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+# Sox 音频转换
+
+## 安装
+
+    sudo apt-get install sox
+
+## 使用
+
+播放音频文件  
+
+    play <file name>
+
+转为 24 位分辨率  
+
+    sox <input file> -b 24 <output file>
+
+修改采样率  
+
+    sox <input file> -r 16000 <output file>