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"Classification of lexical stress using spectral and prosodic features for computer-assisted language learning systems" (2015) Ferrer, L.;Bratt, H.;Richey, C. (...)Precoda, K. Speech Communication. 69:31-45

"Lexical stress classification for language learning using spectral and segmental features" (2014) Ferrer, L.;Bratt, H.;Richey, C. (...)Precoda, K. 2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014:7704-7708

"A deep neural network speaker verification system targeting microphone speech" (2014) Lei, Y.;Ferrer, L.;McLaren, M. (...)Amazon; Baidu; et al.; Google; Temasek Laboratories at Nanyang Technological University (TL at NTU); WeChat 15th Annual Conference of the International Speech Communication Association: Celebrating the Diversity of Spoken Languages, INTERSPEECH 2014:681-685