[1]WANG Hong-hai,L IU Gang,GUO Jun.Automatic language identif ication using shifted cepstra[J].CAAI Transactions on Intelligent Systems,2008,3(4):336-341.
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Automatic language identif ication using shifted cepstra

CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume: 3 Number of periods: 2008 4 Page number: 336-341 Column: 学术论文—自然语言处理与理解 Public date: 2008-08-25
Title:
Automatic language identif ication using shifted cepstra
Author(s):
WANG Hong-hai;  L IU Gang;  GUO Jun
Information Engineering College, Beijing University of Posts and Telecommunications, Beijing 100876, China
Keywords:
automatic language identification;  shifted cep stra;  shifted delta cep stra;  Gaussian mixture model
CLC:
TP391. 42
DOI:
-
Abstract:
Shifted delta cep stra have been widely used in automatic language identification, but only delta cep strum information is emp loyed. Research on accent identification revealed that detailed cep strum ismore informative than delta cep strum. So shifted cep strum was p roposed and comparative studywas conducted between these two cep stra. Effects of their control parameters on recognition performance were investigated with speech data in the development set. The best paths of these two vectors to reach a locally op timal control parameter combination were determined with the hill2climbing method. Comparative tests performed with speech data both in the closed test set and open test set demonstrated that shifted cep stra is superior to shifted delta cep stra. In addition, they are mutually comp le2 mentary and data fusion at the decision level could further imp rove the performance of the system
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