Acquirement and enhancement of remote speech signals

	Acquirement and enhancement of remote speech signals
	Lu, T.; J. Guo; H.-y. Zhang; C.-h. Yan and C.-j. Wang
	2017
发表期刊	Optoelectronics Letters
卷号	13 期号:4
摘要	To 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.
收录类别	sci ; ei
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/59120
专题	中科院长春光机所知识产出
推荐引用方式 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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