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Fast, Simpler and More Accurate Hybrid ASR Systems Using Wordpieces


May 19, 2020
Frank Zhang, Yongqiang Wang, Xiaohui Zhang, Chunxi Liu, Yatharth Saraf, Geoffrey Zweig

* submitted to interspeech 2020 

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Deja-vu: Double Feature Presentation in Deep Transformer Networks


Oct 23, 2019
Andros Tjandra, Chunxi Liu, Frank Zhang, Xiaohui Zhang, Yongqiang Wang, Gabriel Synnaeve, Satoshi Nakamura, Geoffrey Zweig


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Transformer-based Acoustic Modeling for Hybrid Speech Recognition


Oct 22, 2019
Yongqiang Wang, Abdelrahman Mohamed, Duc Le, Chunxi Liu, Alex Xiao, Jay Mahadeokar, Hongzhao Huang, Andros Tjandra, Xiaohui Zhang, Frank Zhang, Christian Fuegen, Geoffrey Zweig, Michael L. Seltzer


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From Senones to Chenones: Tied Context-Dependent Graphemes for Hybrid Speech Recognition


Oct 11, 2019
Duc Le, Xiaohui Zhang, Weiyi Zheng, Christian Fügen, Geoffrey Zweig, Michael L. Seltzer

* To appear at ASRU 2019 

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Multilingual ASR with Massive Data Augmentation


Sep 14, 2019
Chunxi Liu, Qiaochu Zhang, Xiaohui Zhang, Kritika Singh, Yatharth Saraf, Geoffrey Zweig


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Automated vehicle's behavior decision making using deep reinforcement learning and high-fidelity simulation environment


Apr 17, 2018
Yingjun Ye, Xiaohui Zhang, Jian Sun

* 22 pages, 13 figures, CICTP2018 

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Acoustic data-driven lexicon learning based on a greedy pronunciation selection framework


Jun 12, 2017
Xiaohui Zhang, Vimal Manohar, Daniel Povey, Sanjeev Khudanpur


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Parallel training of DNNs with Natural Gradient and Parameter Averaging


Jun 22, 2015
Daniel Povey, Xiaohui Zhang, Sanjeev Khudanpur

* Accepted as workshop contribution to ICLR 2015. 12 pages plus 16 pages of appendices, International Conference on Learning Representations (ICLR): Workshop track, 2015. [2 sets of minor fixes post-publication.] 

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