NDLI: In-set/out-of-set speaker recognition: leverging the speaker and noise balance

Content Provider	IEEE Xplore Digital Library
Author	Leonard, M.R. Hansen, J.H.L.
Copyright Year	2008
Description	Author affiliation: Center for Robust Speech Syst. (CRSS), Univ. of Texas at Dallas, Richardson, TX (Leonard, M.R.; Hansen, J.H.L.)
Abstract	This study addresses the problem of identifying in-set versus out-of-set speakers in noise for limited train/test durations in situations where rapid detection and tracking is required. The objective is to form a decision as to whether the current input speaker is accepted as a member of the enrolled in-set group or rejected as an outside speaker. A new scoring algorithm that combines scores across an energy-frequency grid is developed where high-energy speaker dependent frames are fused with weighted scores from low-energy noise dependent frames. By leveraging the balance between the speaker versus the background noise environment, it is possible to see an improvement in equal error rate performance. Using an initial form of the algorithm with speakers from the TIMIT database with 5 seconds of train and 2 seconds of test, the average relative EER performance improvement is 27.4%. The results confirm that for situations in which the background environment type remains constant between train and test, an in-set/out-of-set speaker recognition system that takes advantage of information gathered from the environmental noise can be formulated which realizes significant improvement.
Starting Page	1585
Ending Page	1588
File Size	257809
Page Count	4
File Format	PDF
ISBN	9781424414833
ISSN	15206149
DOI	10.1109/ICASSP.2008.4517927
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Speaker recognition environmental noise in-set/out-of-set
Content Type	Text
Resource Type	Article

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