liftering meaning in Chinese

同态滤波

The paper involves two parts of closed - set text - independent speaker identification systems in noise . firstly , the paper introduces shortcomings of the parameters , such as lpcc , mfcc etc . so sub - band energy cepstral feature parameters based on multi - rate sub - band processing and teager energy operator are described . while the paper discusses the use of rayleigh cepstral liftering to weigh sub - band cepstral coefficients so as to emphasize speaker personality information
首先本文介绍了各种特征提取的方法，如lpcc 、 mfcc等，在分析了它们的缺点的基础上，本文根据人耳频率子带独立识别的特性和能量算子，提出了子带能量倒谱特征参数，并用提出的瑞利倒谱提升进行加权，突出说话人的个性信息。