NDLI: Noise robust speaker verification using parallel model combination and local features

Content Provider	IEEE Xplore Digital Library
Author	Tufekci, Z.
Copyright Year	2004
Description	Author affiliation: Izmir Yuksek Teknoloji Enstitusu, Turkey (Tufekci, Z.)
Abstract	Interfering noise severely degrades the performance of a speaker verification system. The parallel model combination (PMC) technique is one of the most efficient techniques for dealing with such noise. Another method is to use features local in the frequency domain. Recently, we proposed Mel-frequency discrete wavelet coefficients (MFDWCs) (Gowdy, J. and Tufekci, Z., Proc. ICASSP, 2000) as speech features local in the frequency domain. We now discuss using PMC along with MFDWC features to take advantage of both noise compensation and local features (MFDWCs) to decrease the effect of noise on verification performance. We evaluate the performance of MFDWCs for various noise types and noise levels. We also compare the performance of these versus MFCCs and both using PMC for dealing with additive noise. The experimental results show significant performance improvements for MFDWCs versus MFCCs after compensating the HMMs using the PMC technique. For example, the MFDWCs gave 6.29 points performance improvement on average over MFCCs for 12 dB. This corresponds to 38.33% error reduction.
Sponsorship	IEEE Tubitak Istanbul Teknik Universitesi Aselsan Profilo Telra TURCom SGI Datacore Divit
Starting Page	422
Ending Page	425
File Size	248903
Page Count	4
File Format	PDF
ISBN	0780383184
DOI	10.1109/SIU.2004.1338553
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-04-30
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Degradation Additive noise Hidden Markov models Speech Noise robustness Mel frequency cepstral coefficient Frequency domain analysis Noise level Testing Wavelet coefficients
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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