Two-channel noise reduction for robust speech recognition in car environments

A powerful two-channel noise reduction algorithm for car noise environments is proposed. The algorithm estimates the target spectrum by using time-frequency masking based on the inter-channel time delay. Then, remaining background noises are subtracted to enhance the estimated spectrum further. Experimental results show that the proposed algorithm significantly improves speech recognition performance in car noise environments.
Publisher
INST ENGINEERING TECHNOLOGY-IET
Issue Date
2008-08
Language
ENG
Citation

ELECTRONICS LETTERS, v.44, no.17, pp.1042 - 54

ISSN
0013-5194
DOI
10.1049/el:20081811
URI
http://hdl.handle.net/10203/14743
Appears in Collection
EE-Journal Papers(저널논문)
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