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Article History

Received: 29 July 2018

Accepted: 28 September 2018

First Online: 21 November 2018

Authors’ information

: Chu-Xiong Qin was born in Shijiazhuang, China, in 1991. He received the B.S. and M.S. degrees in information and communication from the National Digital Switching System Engineering and Technological R&D Center, Zhengzhou, China, in 2013 and 2016, respectively. He is currently working towards the Ph.D. degree on speech recognition at the National Digital Switching System Engineering and Technological R&D Center. His research interests are in speech signal processing, continuous speech recognition, and machine learning.Dan Qu received the M.S. degree in communication and information system from Xi’an Information Science and Technology Institute, Xi’an, China, in 2000 and the Ph.D. degree in information and communication engineering from the National Digital Switching System Engineering and Technological R&D Center, Zhengzhou, China, in 2005. She is an Associate Professor at the National Digital Switching System Engineering and Technological R&D Center. Her research interests are in speech signal processing and pattern recognition.Lian-Hai Zhang received the M.S. degree in information and communication engineering from the National Digital Switching System Engineering and Technological R&D Center, Zhengzhou, China, in 2000. He is an Associate Professor at the National Digital Switching System Engineering and Technological R&D Center. His research interests are in speech signal processing.

: The authors declare that they have no competing interests.

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