NDLI: Cluster-dependent feature transformation with divergence-based out-of-handset rejection for robust speaker verification

Content Provider	IEEE Xplore Digital Library
Author	Chi-Leung Tsang Man-Wai Mak Sun-Yuan Rung
Copyright Year	2003
Description	Author affiliation: Dept. of Electron. & Inf. Eng., Hong Kong Polytech. Univ., Kowloon, China (Chi-Leung Tsang; Man-Wai Mak)
Abstract	This paper proposes a divergence-based cluster selector with out-of-handset (OOH) rejection capability to identify the 'unseen' handsets. This is achieved by measuring the Jensen difference between the selector's output and a constant vector with identical elements. The resulting cluster selector is combined with a feature-based channel compensation algorithm for telephone-based speaker verification. Utterances whose handsets are identified as 'unseen' are normalized by cepstral mean subtraction (CMS). On the other hand, if the handset can be identified (considered as 'seen'), a corresponding set of cluster-dependent transformation parameters are used to transform the utterances. Experiments based on ten handsets of the HTIMIT corpus show that using the cluster-dependent transformation parameters to transform the utterances with correctly identified handsets and processing those utterances with 'unseen' handsets by CMS achieve the best result.
Sponsorship	Microsoft Res. Asia Singapore Exhibition and Convention Bureau
Starting Page	1399
Ending Page	1403
File Size	377432
Page Count	5
File Format	PDF
ISBN	0780381858
DOI	10.1109/ICICS.2003.1292695
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-12-15
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robustness Telephone sets Collision mitigation Clustering algorithms Cepstral analysis Nonlinear distortion Signal processing Signal processing algorithms Stochastic processes Maximum likelihood estimation
Content Type	Text
Resource Type	Article

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