中文说明：大家都知道，在室内声学环境下，麦克风采集到的信号往往会受到背景噪声、机械噪声等的影响， 这回严重的降低语音的可读懂度和清晰度，为了解决问题，在这里有一完整的后置滤波程序，希望 能帮助大家，谢谢！
English Description：
As we all know, acoustical environment, collected microphone signal is affected by the background noise, machinery noise impact,This time a serious downgrade read-speech intelligibility and clarity, in order to solve problems where there is a complete post filtering program, hopeCan help you, thank you!