Dr. Ning Wang Ning2.Wang@uwe.ac.uk
Senior Lecturer in Robotics
Robust speaker recognition using denoised vocal source and vocal tract features
Wang, Ning; Ching, P. C.; Zheng, Nengheng; Lee, Tan
Authors
P. C. Ching
Nengheng Zheng
Tan Lee
Abstract
To alleviate the problem of severe degradation of speaker recognition performance under noisy environments because of inadequate and inaccurate speaker-discriminative information, a method of robust feature estimation that can capture both vocal source- and vocal tract-related characteristics from noisy speech utterances is proposed. Spectral subtraction, a simple yet useful speech enhancement technique, is employed to remove the noise-specific components prior to the feature extraction process. It has been shown through analytical derivation, as well as by simulation results, that the proposed feature estimation method leads to robust recognition performance, especially at low signal-to-noise ratios. In the context of Gaussian mixture model-based speaker recognition with the presence of additive white Gaussian noise, the new approach produces consistent reduction of both identification error rate and equal error rate at signal-to-noise ratios ranging from 0 to 15 dB. © 2010 IEEE.
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 26, 2010 |
Online Publication Date | Mar 15, 2010 |
Publication Date | Jan 1, 2011 |
Deposit Date | Jun 19, 2019 |
Journal | IEEE Transactions on Audio, Speech and Language Processing |
Print ISSN | 1558-7916 |
Publisher | Institute of Electrical and Electronics Engineers |
Peer Reviewed | Peer Reviewed |
Volume | 19 |
Issue | 1 |
Pages | 196-205 |
DOI | https://doi.org/10.1109/TASL.2010.2045800 |
Public URL | https://uwe-repository.worktribe.com/output/1494760 |
Contract Date | Jun 19, 2019 |
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