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Perceptual reinforcement of speech signal based on partial specific loudness

Cited 10 time in Web of Science Cited 15 time in Scopus
Authors

Shin, Jong Won; Kim, Nam Soo

Issue Date
2007-11
Publisher
Institute of Electrical and Electronics Engineers
Citation
IEEE Signal Processing Letters, Vol.14 No.11, pp.887-890
Abstract
In the presence of background noise, the perceptual loudness of speech signal significantly decreases, resulting in the deterioration of intelligibility and clarity. In this letter, we propose a novel approach to enhance the perceived quality of the speech signal when the additive noise cannot be directly controlled. Instead of controlling the background noise, we propose to reinforce the speech signal so that it can be heard more clearly in noisy environments. To find a suitable reinforcement rule, the loudness perception model proposed by Moore et al is adopted. Experimental results show that the loudness of the reinforced signal can be maintained at the level almost the same as that of the original noise-free speech, and the proposed algorithm can enhance the perceived speech quality under various noise environments. © 2007 IEEE.
ISSN
1070-9908
URI
https://hdl.handle.net/10371/201485
DOI
https://doi.org/10.1109/LSP.2007.900222
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