In this paper, we used FIR digital filter to process the testing speech tables and created kinds of filtered testing speech tables.
本文采用FIR滤波器对标准的言语测听词表进行数字滤波，生成各种滤波言语测听词表。
2
In order even better to extract feature parameters of speakers, speech should be filtered as a pre-processing process.
为了更好地提取说话人的特征，对语音进行滤波的预处理。
3
A filtered testing speech tables increases the difficulty of testing information. It is easy to find the listening functional disorder of central nervous system.