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Efficient MDI Adaptation for n-gram Language Models

Aug 05, 2020
Ruizhe Huang, Ke Li, Ashish Arora, Dan Povey, Sanjeev Khudanpur

* To appear in INTERSPEECH 2020. Appendix A of this full version will be filled soon 

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Wake Word Detection with Alignment-Free Lattice-Free MMI

May 25, 2020
Yiming Wang, Hang Lv, Daniel Povey, Lei Xie, Sanjeev Khudanpur

* Submitted to Interspeech 2020. 5 pages, 3 figures 

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PyChain: A Fully Parallelized PyTorch Implementation of LF-MMI for End-to-End ASR

May 20, 2020
Yiwen Shao, Yiming Wang, Daniel Povey, Sanjeev Khudanpur

* Submtted to Interspeech 2020 

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CHiME-6 Challenge:Tackling Multispeaker Speech Recognition for Unsegmented Recordings

May 02, 2020
Shinji Watanabe, Michael Mandel, Jon Barker, Emmanuel Vincent, Ashish Arora, Xuankai Chang, Sanjeev Khudanpur, Vimal Manohar, Daniel Povey, Desh Raj, David Snyder, Aswin Shanmugam Subramanian, Jan Trmal, Bar Ben Yair, Christoph Boeddeker, Zhaoheng Ni, Yusuke Fujita, Shota Horiguchi, Naoyuki Kanda, Takuya Yoshioka, Neville Ryant


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Espresso: A Fast End-to-end Neural Speech Recognition Toolkit

Oct 15, 2019
Yiming Wang, Tongfei Chen, Hainan Xu, Shuoyang Ding, Hang Lv, Yiwen Shao, Nanyun Peng, Lei Xie, Shinji Watanabe, Sanjeev Khudanpur

* Accepted to ASRU 2019 

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Probing the Information Encoded in X-vectors

Sep 30, 2019
Desh Raj, David Snyder, Daniel Povey, Sanjeev Khudanpur

* Accepted at IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU) 2019 

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Probing the Information Encoded in x-vectors

Sep 13, 2019
Desh Raj, David Snyder, Daniel Povey, Sanjeev Khudanpur

* Accepted at IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU) 2019 

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Low Resource Multi-modal Data Augmentation for End-to-end ASR

Dec 10, 2018
Matthew Wiesner, Adithya Renduchintala, Shinji Watanabe, Chunxi Liu, Najim Dehak, Sanjeev Khudanpur

* This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible 

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Building Corpora for Single-Channel Speech Separation Across Multiple Domains

Nov 06, 2018
Matthew Maciejewski, Gregory Sell, Leibny Paola Garcia-Perera, Shinji Watanabe, Sanjeev Khudanpur

* This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible 

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Low-Resource Contextual Topic Identification on Speech

Sep 28, 2018
Chunxi Liu, Matthew Wiesner, Shinji Watanabe, Craig Harman, Jan Trmal, Najim Dehak, Sanjeev Khudanpur

* Accepted for publication at 2018 IEEE Workshop on Spoken Language Technology (SLT) 

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A GPU-based WFST Decoder with Exact Lattice Generation

Jul 27, 2018
Zhehuai Chen, Justin Luitjens, Hainan Xu, Yiming Wang, Daniel Povey, Sanjeev Khudanpur

* accepted by INTERSPEECH 2018 

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Automatic Speech Recognition and Topic Identification for Almost-Zero-Resource Languages

Jun 18, 2018
Matthew Wiesner, Chunxi Liu, Lucas Ondel, Craig Harman, Vimal Manohar, Jan Trmal, Zhongqiang Huang, Najim Dehak, Sanjeev Khudanpur

* Accepted for publication at Interspeech 2018 

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Bayesian Models for Unit Discovery on a Very Low Resource Language

Feb 20, 2018
Lucas Ondel, Pierre Godard, Laurent Besacier, Elin Larsen, Mark Hasegawa-Johnson, Odette Scharenborg, Emmanuel Dupoux, Lukas Burget, François Yvon, Sanjeev Khudanpur

* Accepted to ICASSP 2018 

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Topic Identification for Speech without ASR

Jul 11, 2017
Chunxi Liu, Jan Trmal, Matthew Wiesner, Craig Harman, Sanjeev Khudanpur

* 5 pages, 2 figures; accepted for publication at Interspeech 2017 

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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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Using of heterogeneous corpora for training of an ASR system

Jun 01, 2017
Jan Trmal, Gaurav Kumar, Vimal Manohar, Sanjeev Khudanpur, Matt Post, Paul McNamee


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An Empirical Evaluation of Zero Resource Acoustic Unit Discovery

Feb 05, 2017
Chunxi Liu, Jinyi Yang, Ming Sun, Santosh Kesiraju, Alena Rott, Lucas Ondel, Pegah Ghahremani, Najim Dehak, Lukas Burget, Sanjeev Khudanpur

* 5 pages, 1 figure; Accepted for publication at ICASSP 2017 

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Highway Long Short-Term Memory RNNs for Distant Speech Recognition

Jan 11, 2016
Yu Zhang, Guoguo Chen, Dong Yu, Kaisheng Yao, Sanjeev Khudanpur, James Glass


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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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Estimating Confusions in the ASR Channel for Improved Topic-based Language Model Adaptation

Mar 21, 2013
Damianos Karakos, Mark Dredze, Sanjeev Khudanpur

* Technical Report 8, Human Language Technology Center of Excellence, Johns Hopkins University 

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