The effect of RASTA and CMS on the performance of MFCC is also discussed.3. A new quadratic warping function is proposed for speaker normalization employing pitch mean based frequency warping.
3．提出了一种新的二次弯折函数，研究了基于基音频率均值的说话人归一化技术在自动语言辨识系统中的应用。
参考来源 - 基于声学特征的自动语言辨识研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Speaker normalization consists of cepstrum mean normalization (CMN) and vocal tract length normalization (VTLN).
说话人归一化包括倒谱均值归一化（CMN）和声道长度归一化（VTLN）。
Both the speaker adaption technique and speaker normalization technique are investigated, and then the idea of combining the two techniques is brought forward.
研究了说话人自适应技术和说话人归一化技术，并提出了将两种技术相结合的思想。
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