Radio-over-Fibre access for sustainable Digital Cities. - Trevor J. Hall; Ramón Maldonado-Basilio; Sawsan Abdul-Majid; Joe Seregelyi; Ran Li; Irene Antolín-Pérez; Hamdam Nikkhah; Frédéric Lucarz; Jean-Louis de Bougrenet de la Tocnaye; Bruno Fracasso; Patrice Pajusco; Camilla Kärnfelt; et al. (Ann. des Télécommunications, 2013)

End-to-End Language Diarization for Bilingual Code-Switching Speech. - Hexin Liu; Leibny Paola García-Perera; Xinyi Zhang; Justin Dauwels; Andy W. H. Khong; Sanjeev Khudanpur; Suzy J. Styles (Interspeech, 2021)

PHO-LID: A Unified Model Incorporating Acoustic-Phonetic and Phonotactic Information for Language Identification. - Hexin Liu; Leibny Paola García-Perera; Andy W. H. Khong; Suzy J. Styles; Sanjeev Khudanpur (INTERSPEECH, 2022)

Enhancing Language Identification Using Dual-Mode Model with Knowledge Distillation. - Hexin Liu; Leibny Paola García-Perera; Andy W. H. Khong; Justin Dauwels; Suzy J. Styles; Sanjeev Khudanpur (Odyssey, 2022)

Enhance Language Identification using Dual-mode Model with Knowledge Distillation. - Hexin Liu; Leibny Paola García-Perera; Andy W. H. Khong; Justin Dauwels; Suzy J. Styles; Sanjeev Khudanpur (CoRR, 2022)

PQLM - Multilingual Decentralized Portable Quantum Language Model for Privacy Protection. - Shuyue Stella Li; Xiangyu Zhang; Shu Zhou; Hongchao Shu; Ruixing Liang; Hexin Liu; Leibny Paola García-Perera (CoRR, 2022)

Efficient Self-Supervised Learning Representations for Spoken Language Identification. - Hexin Liu; Leibny Paola García-Perera; Andy W. H. Khong; Eng Siong Chng; Suzy J. Styles; Sanjeev Khudanpur (IEEE J. Sel. Top. Signal Process., 2022)

PQLM - Multilingual Decentralized Portable Quantum Language Model. - Shuyue Stella Li; Xiangyu Zhang; Shu Zhou; Hongchao Shu; Ruixing Liang; Hexin Liu; Leibny Paola García (ICASSP, 2023)

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)

A Quantitative Approach to Understand Self-Supervised Models as Cross-lingual Feature Extracters. - Shuyue Stella Li; Beining Xu 001; Xiangyu Zhang; Hexin Liu; Wenhan Chao; Paola García 001 (ICNLSP, 2023)

MERLIon CCS Challenge: A English-Mandarin code-switching child-directed speech corpus for language identification and diarization. - Yi Han Victoria Chua; Hexin Liu; Leibny Paola García; Fei Ting Woon; Jinyi Wong; Xiangyu Zhang; Sanjeev Khudanpur; Andy W. H. Khong; Justin Dauwels; Suzy J. Styles (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)

Investigating model performance in language identification: beyond simple error statistics. - Suzy J. Styles; Yi Han Victoria Chua; Fei Ting Woon; Hexin Liu; Leibny Paola García; Sanjeev Khudanpur; Andy W. H. Khong; Justin Dauwels (INTERSPEECH, 2023)

Generative error correction for code-switching speech recognition using large language models. - Chen Chen 075; Yuchen Hu; Chao-Han Huck Yang; Hexin Liu; Sabato Marco Siniscalchi; Eng Siong Chng (CoRR, 2023)

A Quantitative Approach to Understand Self-Supervised Models as Cross-lingual Feature Extractors. - Shuyue Stella Li; Beining Xu 001; Xiangyu Zhang; Hexin Liu; Wenhan Chao; Leibny Paola García (CoRR, 2023)

Speaking in Wavelet Domain: A Simple and Efficient Approach to Speed up Speech Diffusion Model. - Xiangyu Zhang; Daijiao Liu; Hexin Liu; Qiquan Zhang; Hanyu Meng; Leibny Paola García-Perera; Engsiong Chng; Lina Yao (EMNLP, 2024)

When LLMs Meets Acoustic Landmarks: An Efficient Approach to Integrate Speech into Large Language Models for Depression Detection. - Xiangyu Zhang; Hexin Liu; Kaishuai Xu; Qiquan Zhang; Daijiao Liu; Beena Ahmed; Julien Epps (EMNLP, 2024)

Unidirectional Brain-Computer Interface: Artificial Neural Network Encoding Natural Images to FMRI Response in the Visual Cortex. - Ruixing Liang; Xiangyu Zhang; Qiong Li; Lai Wei; Hexin Liu; Avisha Kumar; Kelley M. Kempski Leadingham; Joshua Punnoose; Leibny Paola García; Amir Manbachi (ICASSP, 2024)

Enhancing Code-Switching Speech Recognition With Interactive Language Biases. - Hexin Liu; Leibny Paola García; Xiangyu Zhang; Andy W. H. Khong; Sanjeev Khudanpur (ICASSP, 2024)

Bridging Child-Centered Speech Language Identification and Language Diarization via Phonetics. - Yujia Wang; Hexin Liu; Leibny Paola García (INTERSPEECH, 2024)

Mamba in Speech: Towards an Alternative to Self-Attention. - Xiangyu Zhang; Qiquan Zhang; Hexin Liu; Tianyi Xiao; Xinyuan Qian 001; Beena Ahmed; Eliathamby Ambikairajah; Haizhou Li 001; Julien Epps (CoRR, 2024)

SpeechT-RAG: Reliable Depression Detection in LLMs with Retrieval-Augmented Generation Using Speech Timing Information. - Xiangyu Zhang; Hexin Liu; Qiquan Zhang; Beena Ahmed; Julien Epps (ACL (Findings), 2025)

Adapting Whisper for Code-Switching through Encoding Refining and Language-Aware Decoding. - Jiahui Zhao; Hao Shi; Chenrui Cui; Tianrui Wang; Hexin Liu; Zhaoheng Ni; Lingxuan Ye; Longbiao Wang (ICASSP, 2025)

GenSE: Generative Speech Enhancement via Language Models using Hierarchical Modeling. - Jixun Yao; Hexin Liu; Chen Chen 075; Yuchen Hu; Eng Siong Chng; Lei Xie 001 (ICLR, 2025)

Enhancing Non-Core Language Instruction-Following in Speech LLMs via Semi-Implicit Cross-Lingual CoT Reasoning. - Hongfei Xue; Yufeng Tang; Hexin Liu; Jun Zhang; Xuelong Geng; Lei Xie 001 (CoRR, 2025)

EASY: Emotion-aware Speaker Anonymization via Factorized Distillation. - Jixun Yao; Hexin Liu; Eng Siong Chng; Lei Xie 001 (CoRR, 2025)

Impact of Frame Rates on Speech Tokenizer: A Case Study on Mandarin and English. - Haoyang Zhang; Hexin Liu; Xiangyu Zhang; Qiquan Zhang; Yuchen Hu; Junqi Zhao; Fei Tian; Xuerui Yang; Eng Siong Chng (CoRR, 2025)

SAV-SE: Scene-Aware Audio-Visual Speech Enhancement With Selective State Space Model. - Xinyuan Qian 001; Jiaran Gao; Yaodan Zhang; Qiquan Zhang; Hexin Liu; Leibny Paola García-Perera; Haizhou Li 001 (IEEE J. Sel. Top. Signal Process., 2025)

Selective State Space Model for Monaural Speech Enhancement. - Moran Chen; Qiquan Zhang; Mingjiang Wang; Xiangyu Zhang; Hexin Liu; Eliathamby Ambikairajah; Deying Chen (IEEE Trans. Consumer Electron., 2025)

NTU Speechlab LLM-Based Multilingual ASR System for Interspeech MLC-SLM Challenge 2025. - Yizhou Peng; Bin Wang; Yi-Wen Chao; Ziyang Ma 001; Haoyang Zhang; Hexin Liu; Xie Chen 001; Eng Siong Chng (CoRR, 2025)

Bi-directional Context-Enhanced Speech Large Language Models for Multilingual Conversational ASR. - Yizhou Peng; Hexin Liu; Eng Siong Chng (CoRR, 2025)

Hearing More with Less: Multi-Modal Retrieval-and-Selection Augmented Conversational LLM-Based ASR. - Bingshen Mu; Hexin Liu; Hongfei Xue; Kun Wei; Lei Xie 001 (CoRR, 2025)