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Position: Home > Articles > The extraction and application of phonetic characteristic parameter MFCC Journal of Hunan Agricultural University(Natural Sciences) 2009,35 (1) 106-107

语音特征参数MFCC的提取及其应用

作  者:
陈勇;屈志毅;刘莹;酒康;郭爱平;杨志国
单  位:
中国人民解放军炮兵指挥学院;兰州大学信息科学与工程学院
关键词:
语音;Mel频率倒谱系数;离散余弦变换
摘  要:
Mel频率是能够反映人耳对不同频率语音感知能力的一种频率表达方式.主要介绍了Mel频率倒谱系数(MFCC)的特点及提取方法,并提取了MFCC的一阶差分,使特征参数在说话人识别上能够更加准确的反映语音信息,提高识别率.
译  名:
The extraction and application of phonetic characteristic parameter MFCC
作  者:
CHEN Yong1,2,QU Zhi-yi1,LIU Ying1,JIU Kang1,GUO Ai-ping1,YANG Zhi-guo1(1.School of Information Science & Engineering,Lanzhou University,Lanzhou,Gansu 730000,China;2.Artillery Command Academy of PLA,Xuanhua,Hebei 075100,China)
关键词:
speech;MFCC;DCT
摘  要:
The Mel frequency is a way to express frequency that can reflect the ability of person’s ear to sensate ronunciation of different frequency.This paper mainly introduces the characters and extracting methods of Mel frequency cepstrum coefficient(MFCC),withdrawing its first order difference parameter,so characteristic parameter can reflect the voice of the information more accurately in identifing on the person speaking,improveing the recognition rate.

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