中文说明： 本程序是用于语音信号的预加重处理，其目的是为了对语音的高频部分进行加重，去除口唇辐射的影响，增加语音的高频分辨率。
English Description：
This program is used for speech signal pre emphasis processing, its purpose is to emphasize the high-frequency part of speech, remove the influence of lip radiation, increase the high-frequency resolution of speech.