CIOMP OpenIR  > 中科院长春光机所知识产出
Acquirement and enhancement of remote speech signals
Lu, T.; J. Guo; H.-y. Zhang; C.-h. Yan and C.-j. Wang
2017
Source PublicationOptoelectronics Letters
Volume13Issue:4
AbstractTo address the challenges of non-cooperative and remote acoustic detection, an all-fiber laser Doppler vibrometer (LDV) is established. The all-fiber LDV system can offer the advantages of smaller size, lightweight design and robust structure, hence it is a better fit for remote speech detection. In order to improve the performance and the efficiency of LDV for long-range hearing, the speech enhancement technology based on optimally modified log-spectral amplitude (OM-LSA) algorithm is used. The experimental results show that the comprehensible speech signals within the range of 150 m can be obtained by the proposed LDV. The signal-to-noise ratio (SNR) and mean opinion score (MOS) of the LDV speech signal can be increased by 100% and 27%, respectively, by using the speech enhancement technology. This all-fiber LDV, which combines the speech enhancement technology, can meet the practical demand in engineering. 2017, Tianjin University of Technology and Springer-Verlag GmbH Germany.
Indexed Bysci ; ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59120
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Lu, T.,J. Guo,H.-y. Zhang,et al. Acquirement and enhancement of remote speech signals[J]. Optoelectronics Letters,2017,13(4).
APA Lu, T.,J. Guo,H.-y. Zhang,&C.-h. Yan and C.-j. Wang.(2017).Acquirement and enhancement of remote speech signals.Optoelectronics Letters,13(4).
MLA Lu, T.,et al."Acquirement and enhancement of remote speech signals".Optoelectronics Letters 13.4(2017).
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