Selection of the Best Set of Shifted Delta Cepstral Features in Speaker Verification Using Mutual Information.

被引：0
|
作者：
Calvo, Jose R. [1 ]
Fernandez, Rafael [1 ]
Hernandez, Gabriel [1 ]
机构：
[1] CENATAV, Adv Technol Applicat Ctr, Havana, Cuba
来源：
INTERSPEECH 2009: 10TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2009, VOLS 1-5 | 2009年
关键词：
speaker verification; shifted delta cepstral; mutual information;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Shifted delta cepstral (SDC) features, obtained by concatenating delta cepstral features across multiples speech frames, were recently reported to produce superior performance to delta cepstral features in language and speaker recognition systems. In this paper, the use of SDC features in a speaker verification experiment is reported. Mutual information between SDC features and identity of a speaker is used to select the best set of SDC parameters. The experiment evaluates robustness of the best SDC features due to channel and handset mismatch in speaker verification. The result reflects an EER relative reduction until 19% in a speaker verification experiment.
引用
收藏
页码：2335 / 2338
页数：4
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