Towards more efficient and accurate methods for Mandarin LVCSR discriminative training. - Haihua Xu 001; Jie Zhu 006 (ICME, 2008)

A hybrid visual feature extraction method for audio-visual speech recognition. - Guanyong Wu; Jie Zhu 006; Haihua Xu 001 (ICIP, 2009)

Minimum phone error based stream weight training for mandarin audio-visual Speech recognition. - Guanyong Wu; Jie Zhu 006; Haihua Xu 001 (ICME, 2009)

An efficient multistage Rover method for Automatic Speech recognition. - Haihua Xu 001; Jie Zhu 006; Guanyong Wu (ICME, 2009)

Minimum hypothesis phone error as a decoding method for speech recognition. - Haihua Xu 001; Daniel Povey; Jie Zhu 006; Guanyong Wu (INTERSPEECH, 2009)

Minimum tag error for discriminative training of conditional random fields. - Ying Xiong; Jie Zhu 006; Hao Huang 009; Haihua Xu 001 (Inf. Sci., 2009)

An improved consensus-like method for Minimum Bayes Risk decoding and lattice combination. - Haihua Xu 001; Daniel Povey; Lidia Mangu; Jie Zhu 006 (ICASSP, 2010)

Minimum Bayes Risk decoding and system combination based on a recursion for edit distance. - Haihua Xu 001; Daniel Povey; Lidia Mangu; Jie Zhu 006 (Comput. Speech Lang., 2011)

Aniterative approach to Bayes risk decoding and system combination. - Haihua Xu 001; Jie Zhu 006 (J. Zhejiang Univ. Sci. C, 2011)

The development and analysis of a Malay broadcasr news corpus. - Tze Yuang Chong; Xiong Xiao; Haihua Xu 001; Tien Ping Tan; Chau Khoa Pham; Dau-Cheng Lyu; Chng Eng Siong; Haizhou Li 001 (O-COCOSDA/CASLRE, 2013)

Towards better keyword search performance on Malay broadcast news data. - Haihua Xu 001; Van Tung Pham; Engsiong Chng; Haizhou Li 001 (APSIPA, 2014)

Strategies for Vietnamese keyword search. - Nancy F. Chen; Sunil Sivadas; Boon Pang Lim; Hoang Gia Ngo; Haihua Xu 001; Van Tung Pham; Bin Ma 001; Haizhou Li 001 (ICASSP, 2014)

Discriminative score normalization for keyword search decision. - Van Tung Pham; Haihua Xu 001; Nancy F. Chen; Sunil Sivadas; Boon Pang Lim; Engsiong Chng; Haizhou Li 001 (ICASSP, 2014)

Semi-supervised training for bottle-neck feature based DNN-HMM hybrid systems. - Haihua Xu 001; Hang Su; Chng Eng Siong; Haizhou Li 001 (INTERSPEECH, 2014)

The NNI Query-by-Example System for MediaEval 2014. - Peng Yang; Haihua Xu 001; Xiong Xiao; Lei Xie 001; Cheung-Chi Leung; Hongjie Chen 001; Jia Yu 002; Hang Lv 001; Lei Wang 020; Su Jun Leow; Bin Ma 001; Chng Eng Siong; et al. (MediaEval, 2014)

System and keyword dependent fusion for spoken term detection. - Van Tung Pham; Nancy F. Chen; Sunil Sivadas; Haihua Xu 001; I-Fan Chen; Chongjia Ni; Engsiong Chng; Haizhou Li 001 (SLT, 2014)

Multilingual exemplar-based acoustic model for the NIST Open KWS 2015 evaluation. - Van Hai Do; Xiong Xiao; Haihua Xu 001; Eng Siong Chng; Haizhou Li 001 (APSIPA, 2015)

On the study of very low-resource language keyword search. - Van Tung Pham; Haihua Xu 001; Van Hai Do; Tze Yuang Chong; Xiong Xiao; Eng Siong Chng; Haizhou Li 001 (APSIPA, 2015)

Detecting synthetic speech using long term magnitude and phase information. - Xiaohai Tian; Steven Du; Xiong Xiao; Haihua Xu 001; Engsiong Chng; Haizhou Li 001 (ChinaSIP, 2015)

On statistical machine translation method for lexicon refinement in speech recognition. - Haihua Xu 001; Xiong Xiao; Engsiong Chng; Haizhou Li 001 (ChinaSIP, 2015)

Low-resource keyword search strategies for tamil. - Nancy F. Chen; Chongjia Ni; I-Fan Chen; Sunil Sivadas; Van Tung Pham; Haihua Xu 001; Xiong Xiao; Tze Siong Lau; Su Jun Leow; Boon Pang Lim; Cheung-Chi Leung; Lei Wang 020; et al. (ICASSP, 2015)

Language independent query-by-example spoken term detection using N-best phone sequences and partial matching. - Haihua Xu 001; Peng Yang; Xiong Xiao; Lei Xie 001; Cheung-Chi Leung; Hongjie Chen 001; Jia Yu 002; Hang Lv 001; Lei Wang 020; Su Jun Leow; Bin Ma 001; Engsiong Chng; et al. (ICASSP, 2015)

Multi-softmax deep neural network for semi-supervised training. - Hang Su; Haihua Xu 001 (INTERSPEECH, 2015)

Spoofing speech detection using high dimensional magnitude and phase features: the NTU approach for ASVspoof 2015 challenge. - Xiong Xiao; Xiaohai Tian; Steven Du; Haihua Xu 001; Engsiong Chng; Haizhou Li 001 (INTERSPEECH, 2015)

A comparative study of BNF and DNN multilingual training on cross-lingual low-resource speech recognition. - Haihua Xu 001; Van Hai Do; Xiong Xiao; Engsiong Chng (INTERSPEECH, 2015)

The NNI Query-by-Example System for MediaEval 2015. - Jingyong Hou; Van Tung Pham; Cheung-Chi Leung; Lei Wang 020; Haihua Xu 001; Hang Lv 001; Lei Xie 001; Zhonghua Fu; Chongjia Ni; Xiong Xiao; Hongjie Chen 001; Shaofei Zhang; et al. (MediaEval, 2015)

Maximum F1-Score Discriminative Training Criterion for Automatic Mispronunciation Detection. - Hao Huang 009; Haihua Xu 001; Xianhui Wang; Wushour Silamu (IEEE ACM Trans. Audio Speech Lang. Process., 2015)

I-vector based deep neural network acoustic model adaptation using multilingual language resource. - Haihua Xu 001; Wei Rao 002; Xiong Xiao; Hao Huang 009; Eng Siong Chng; Haizhou Li 001 (APSIPA, 2016)

Exemplar-inspired strategies for low-resource spoken keyword search in Swahili. - Nancy F. Chen; Van Tung Pham; Haihua Xu 001; Xiong Xiao; Van Hai Do; Chongjia Ni; I-Fan Chen; Sunil Sivadas; Chin-Hui Lee 001; Eng Siong Chng; Bin Ma 001; Haizhou Li 001 (ICASSP, 2016)

Keyword search using query expansion for graph-based rescoring of hypothesized detections. - Van Tung Pham; Haihua Xu 001; Xiong Xiao; Nancy F. Chen; Eng Siong Chng; Haizhou Li 001 (ICASSP, 2016)

Approximate search of audio queries by using DTW with phone time boundary and data augmentation. - Haihua Xu 001; Jingyong Hou; Xiong Xiao; Van Tung Pham; Cheung-Chi Leung; Lei Wang 020; Van Hai Do; Hang Lv 001; Lei Xie 001; Bin Ma 001; Eng Siong Chng; Haizhou Li 001 (ICASSP, 2016)

The 2015 NIST Language Recognition Evaluation: The Shared View of I2R, Fantastic4 and SingaMS. - Kong-Aik Lee; Haizhou Li 001; Li Deng 001; Ville Hautamäki; Wei Rao 002; Xiong Xiao; Anthony Larcher; Hanwu Sun; Trung Hieu Nguyen 001; Guangsen Wang; Aleksandr Sizov; Jianshu Chen; et al. (INTERSPEECH, 2016)

Toward High-Performance Language-Independent Query-by-Example Spoken Term Detection for MediaEval 2015: Post-Evaluation Analysis. - Cheung-Chi Leung; Lei Wang 020; Haihua Xu 001; Jingyong Hou; Van Tung Pham; Hang Lv 001; Lei Xie 001; Xiong Xiao; Chongjia Ni; Bin Ma 001; Eng Siong Chng; Haizhou Li 001 (INTERSPEECH, 2016)

Rescoring Hypothesized Detections of Out-of-Vocabulary Keywords Using Subword Samples. - Van Tung Pham; Haihua Xu 001; Xiong Xiao; Nancy F. Chen; Eng Siong Chng; Haizhou Li 001 (INTERSPEECH, 2016)

Semi-Supervised and Cross-Lingual Knowledge Transfer Learnings for DNN Hybrid Acoustic Models Under Low-Resource Conditions. - Haihua Xu 001; Hang Su; Chongjia Ni; Xiong Xiao; Hao Huang 009; Eng Siong Chng; Haizhou Li 001 (INTERSPEECH, 2016)

Neural networks based channel compensation for i-vector speaker verification. - Wei Rao 002; Xiong Xiao; Chenglin Xu; Haihua Xu 001; Kong-Aik Lee; Eng Siong Chng; Haizhou Li 001 (ISCSLP, 2016)

The NNI Vietnamese Speech Recognition System for MediaEval 2016. - Lei Wang 020; Chongjia Ni; Cheung-Chi Leung; Changhuai You; Lei Xie 001; Haihua Xu 001; Xiong Xiao; Tin Lay Nwe; Eng Siong Chng; Bin Ma 001; Haizhou Li 001 (MediaEval, 2016)

Fantastic 4 system for NIST 2015 Language Recognition Evaluation. - Kong-Aik Lee; Ville Hautamäki; Anthony Larcher; Wei Rao 002; Hanwu Sun; Trung Hieu Nguyen 001; Guangsen Wang; Aleksandr Sizov; Ivan Kukanov; Amir Hossein Poorjam; Trung Ngo Trong; Xiong Xiao; et al. (CoRR, 2016)

Low-resource spoken keyword search strategies in georgian inspired by distinctive feature theory. - Nancy F. Chen; Boon Pang Lim; Van Hai Do; Van Tung Pham; Chongjia Ni; Haihua Xu 001; Mark Hasegawa-Johnson; Wenda Chen; Xiong Xiao; Sunil Sivadas; Eng Siong Chng; Bin Ma 001; et al. (APSIPA, 2017)

Improving N-gram language modeling for code-switching speech recognition. - Zhiping Zeng; Haihua Xu 001; Tze Yuang Chong; Eng Siong Chng; Haizhou Li 001 (APSIPA, 2017)

The I4U Mega Fusion and Collaboration for NIST Speaker Recognition Evaluation 2016. - Kong-Aik Lee; Ville Hautamäki; Tomi Kinnunen; Anthony Larcher; Chunlei Zhang; Andreas Nautsch; Themos Stafylakis; Gang Liu 001; Mickaël Rouvier; Wei Rao 002; Federico Alegre; J. Ma; et al. (INTERSPEECH, 2017)

Pruning Strategies for Partial Search in Spoken Term Detection. - Van Tung Pham; Haihua Xu 001; Xiong Xiao; Nancy F. Chen; Eng Siong Chng (SoICT, 2017)

Mandarin tone modeling using recurrent neural networks. - Hao Huang 009; Ying Hu 005; Haihua Xu 001 (CoRR, 2017)

The TL-NTU Text-to-speech System for the Blizzard Challenge 2018. - Junchao Wang; Xiaohai Tian; Minghui Dong; Haihua Xu 001 (Blizzard Challenge, 2018)

Study of Semi-supervised Approaches to Improving English-Mandarin Code-Switching Speech Recognition. - Pengcheng Guo; Haihua Xu 001; Lei Xie 001; Eng Siong Chng (INTERSPEECH, 2018)

Mandarin-English Code-switching Speech Recognition. - Haihua Xu 001; Van Tung Pham; Zin Tun Kyaw; Zhi Hao Lim; Eng Siong Chng; Haizhou Li 001 (INTERSPEECH, 2018)

Average Modeling Approach to Voice Conversion with Non-Parallel Data. - Xiaohai Tian; Junchao Wang; Haihua Xu 001; Eng Siong Chng; Haizhou Li 001 (Odyssey, 2018)

Re-ranking spoken term detection with acoustic exemplars of keywords. - Van Tung Pham; Haihua Xu 001; Xiong Xiao; Nancy F. Chen; Eng Siong Chng; Haizhou Li 001 (Speech Commun., 2018)

Improving code-switching speech recognition with data augmentation and system combination. - Duo Ma; Guanyu Li; Haihua Xu 001; Eng Siong Chng (APSIPA, 2019)

Audio Codec Simulation based Data Augmentation for Telephony Speech Recognition. - Thi-Ly Vu; Zhiping Zeng; Haihua Xu 001; Eng Siong Chng (APSIPA, 2019)

The TL@NTU Text-to-speech System for the Blizzard Challenge 2019. - Wenjie Li; Haihua Xu 001; Eng Siong Chng (Blizzard Challenge, 2019)

Cross-lingual Voice Conversion with Bilingual Phonetic Posteriorgram and Average Modeling. - Yi Zhou 020; Xiaohai Tian; Haihua Xu 001; Rohan Kumar Das; Haizhou Li 001 (ICASSP, 2019)

Constrained Output Embeddings for End-to-End Code-Switching Speech Recognition with Only Monolingual Data. - Yerbolat Khassanov; Haihua Xu 001; Van Tung Pham; Zhiping Zeng; Eng Siong Chng; Chongjia Ni; Bin Ma 001 (INTERSPEECH, 2019)

Enriching Rare Word Representations in Neural Language Models by Embedding Matrix Augmentation. - Yerbolat Khassanov; Zhiping Zeng; Van Tung Pham; Haihua Xu 001; Eng Siong Chng (INTERSPEECH, 2019)

On the End-to-End Solution to Mandarin-English Code-Switching Speech Recognition. - Zhiping Zeng; Yerbolat Khassanov; Van Tung Pham; Haihua Xu 001; Eng Siong Chng; Haizhou Li 001 (INTERSPEECH, 2019)

Independent Language Modeling Architecture for End-To-End ASR. - Van Tung Pham; Haihua Xu 001; Yerbolat Khassanov; Zhiping Zeng; Eng Siong Chng; Chongjia Ni; Bin Ma 001; Haizhou Li 001 (ICASSP, 2020)

Monolingual Data Selection Analysis for English-Mandarin Hybrid Code-Switching Speech Recognition. - Haobo Zhang; Haihua Xu 001; Van Tung Pham; Hao Huang 009; Eng Siong Chng (INTERSPEECH, 2020)

A multilingual approach to joint Speech and Accent Recognition with DNN-HMM framework. - Yizhou Peng; Jicheng Zhang; Haobo Zhang; Haihua Xu 001; Hao Huang 009; Eng Siong Chng (CoRR, 2020)

The NTU-AISG Text-to-speech System for Blizzard Challenge 2020. - Haobo Zhang; Tingzhi Mao; Haihua Xu 001; Hao Huang 009 (CoRR, 2020)

Enriching Under-Represented Named-Entities To Improve Speech Recognition Performance. - Tingzhi Mao; Yerbolat Khassanov; Van Tung Pham; Haihua Xu 001; Hao Huang 009; Aishan Wumaier; Eng Siong Chng (CoRR, 2020)

Multitask-based joint learning approach to robust ASR for radio communication speech. - Duo Ma; Nana Hou; Van Tung Pham; Haihua Xu 001; Eng Siong Chng (APSIPA ASC, 2021)

Enriching Under-Represented Named Entities for Improved Speech Recognition. - Tingzhi Mao; Yerbolat Khassanov; Van Tung Pham; Haihua Xu 001; Hao Huang 009; Aishan Wumaier; Eng Siong Chng (APSIPA ASC, 2021)

Multilingual Approach to Joint Speech and Accent Recognition with DNN-HMM Framework. - Yizhou Peng; Jicheng Zhang; Haobo Zhang; Haihua Xu 001; Hao Huang 009; Sheng Li 010; Eng Siong Chng (APSIPA ASC, 2021)

E2E-Based Multi-Task Learning Approach to Joint Speech and Accent Recognition. - Jicheng Zhang; Yizhou Peng; Van Tung Pham; Haihua Xu 001; Hao Huang 009; Eng Siong Chng (Interspeech, 2021)

Approaches to Improving Recognition of Underrepresented Named Entities in Hybrid ASR Systems. - Tingzhi Mao; Yerbolat Khassanov; Van Tung Pham; Haihua Xu 001; Hao Huang 009; Eng Siong Chng (ISCSLP, 2021)

Leveraging Text Data Using Hybrid Transformer-LSTM Based End-to-End ASR in Transfer Learning. - Zhiping Zeng; Van Tung Pham; Haihua Xu 001; Yerbolat Khassanov; Eng Siong Chng; Chongjia Ni; Bin Ma 001 (ISCSLP, 2021)

Minimum Word Error Training For Non-Autoregressive Transformer-Based Code-Switching ASR. - Yizhou Peng; Jicheng Zhang; Haihua Xu 001; Hao Huang 009; Eng Siong Chng (ICASSP, 2022)

Internal Language Model Estimation Through Explicit Context Vector Learning for Attention-based Encoder-decoder ASR. - Yufei Liu; Rao Ma; Haihua Xu 001; Yi He; Zejun Ma; Weibin Zhang (INTERSPEECH, 2022)

Internal Language Model Estimation based Language Model Fusion for Cross-Domain Code-Switching Speech Recognition. - Yizhou Peng; Yufei Liu; Jicheng Zhang; Haihua Xu 001; Yi He; Hao Huang 009; Eng Siong Chng (CoRR, 2022)

Intermediate-layer output Regularization for Attention-based Speech Recognition with Shared Decoder. - Jicheng Zhang; Yizhou Peng; Haihua Xu 001; Yi He; Eng Siong Chng; Hao Huang 009 (CoRR, 2022)

Improving short-video speech recognition using random utterance concatenation. - Haihua Xu 001; Van Tung Pham; Yerbolat Khassanov; Yist Y. Lin; Tao Han; Tze Yuang Chong; Yi He; Zejun Ma (CoRR, 2022)

Reducing Language Confusion for Code-Switching Speech Recognition with Token-Level Language Diarization. - Hexin Liu; Haihua Xu 001; Leibny Paola García; Andy W. H. Khong; Yi He; Sanjeev Khudanpur (ICASSP, 2023)

Internal Language Model Estimation Based Adaptive Language Model Fusion for Domain Adaptation. - Rao Ma; Xiaobo Wu; Jin Qiu; Yanan Qin; Haihua Xu 001; Peihao Wu; Zejun Ma (ICASSP, 2023)

Speech-Text Based Multi-Modal Training with Bidirectional Attention for Improved Speech Recognition. - Yuhang Yang; Haihua Xu 001; Hao Huang 009; Eng Siong Chng; Sheng Li 010 (ICASSP, 2023)

Knowledge Distillation Approach for Efficient Internal Language Model Estimation. - Zhipeng Chen; Haihua Xu 001; Yerbolat Khassanov; Yi He; Lu Lu 015; Zejun Ma; Ji Wu 002 (INTERSPEECH, 2023)

Self-supervised Learning Representation based Accent Recognition with Persistent Accent Memory. - Rui Li; Zhiwei Xie 007; Haihua Xu 001; Yizhou Peng; Hexin Liu; Hao Huang 009; Eng Siong Chng (INTERSPEECH, 2023)

Random Utterance Concatenation Based Data Augmentation for Improving Short-video Speech Recognition. - Yist Y. Lin; Tao Han; Haihua Xu 001; Van Tung Pham; Yerbolat Khassanov; Tze Yuang Chong; Yi He; Lu Lu 015; Zejun Ma (INTERSPEECH, 2023)