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  2013, Vol. 26 Issue (12): 1089-1095    DOI:
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Deep Belief Network Based Speaker Information Extraction Method
CHEN Li-Ping1, WANG Er-Yu2, DAI Li-Rong1, SONG Yan1
1.Department of Electronic Engineering and Information Science, University of Science and Technology of China,Hefei 230027
2.Tencent, Inc., Beijing 100080

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Abstract  In i-vector based speaker verification system, it is necessary to extract the discriminative speaker information from i-vectors to further improve the performance of the system. Combined with the anchor model, a deep belief network based speaker-related information extraction method is proposed in this paper. By analyzing and modeling the complex variabilities contained in i-vectors layer-by-layer, the speaker-related information can be extracted with non-linear transformation. The experimental results on the core test of NIST SRE 2008 show the superiority of the proposed method. Compared with the linear discriminant analysis based system, the equal error rates(EER) of male and female trials can be reduced to 4.96% and 6.18% respectively. Furthermore, after the fusion of the proposed method with linear discriminant analysis, the EER can be reduced to 4.74% and 5.35%.
Key wordsi-Vector      Speaker Verification      Deep Belief Network      Anchor Model     
Received: 03 December 2012     
ZTFLH: TP 391.4  
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CHEN Li-Ping
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Cite this article:   
CHEN Li-Ping,WANG Er-Yu,DAI Li-Rong等. Deep Belief Network Based Speaker Information Extraction Method[J]. , 2013, 26(12): 1089-1095.
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http://manu46.magtech.com.cn/Jweb_prai/EN/      OR     http://manu46.magtech.com.cn/Jweb_prai/EN/Y2013/V26/I12/1089
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