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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
- Issue Date
- 2007-11
- 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
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