A recursive calculating algorithm for higher-order cumulants over sliding window and its application in speech endpoint detection

查看全文 作　　者：LUO [1]Yaqin;WU [1]Xiaopei;L [1]Zhao;PENG [1]Kui;GUI [1]Yajun

机构地区：[1]The Key Laboratory of Intelligent Computing & Signal Processing,Anhui University

出　　处：《Chinese Journal of Acoustics》索引2015年第34卷第4期,共14页

基　　金：supported by the National Natural Science Eoundation of China(61271352) 摘　　要：Regarding the performance of traditional endpoint detection algorithms degrades as the environment noise level increases,a recursive calculating algorithm for higher-order cumulants over a sliding window is proposed.Then it is applied to the speech endpoint detection.Furthermore,endpoint detection is carried out with the feature of energy.Experimental results show that both the computational efficiency and the robustness against noise of the proposed algorithm are improved remarkably compared with traditional algorithm.The average probability of correct point detection(Pc-point) of the proposed voice activity detection(VAD) is6.07%higher than that of G.729 b VAD in different noisy at different signal-noise ratios(SNRs)environments. 关键词：下线服务迁移

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A recursive calculating algorithm for higher-order cumulants over sliding window and its application in speech endpoint detection

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