Hexin Liu
Scholar

Hexin Liu

Google Scholar ID: iAT_5-kAAAAJ
Nanyang Technological University
Speech recognitionlanguage identification
Citations & Impact
All-time
Citations
452
 
H-index
11
 
i10-index
12
 
Publications
20
 
Co-authors
18
list available
Resume (English only)
Academic Achievements
  • - IEEE TASLP 2025: Code-switching Speech Recognition Under the Lens: Model- and Data-Centric Perspectives, A Two-Stage LoRA Strategy for Expanding Language Capabilities in Multilingual ASR Models, Mamba in Speech: Towards an Alternative to Self-Attention
  • - IEEE JSTSP 2022: Aligning Speech to Languages to Enhance Code-switching Speech Recognition
  • - AAAI 2026: Efficient self-supervised learning representations for spoken language identification
  • - ACL 2025 Findings: Hearing More with Less: Multi-Modal Retrieval-and-Selection Augmented Conversational LLM-Based ASR
  • - ICASSP 2024: SpeechT-RAG: Reliable Depression Detection in LLMs with Retrieval-Augmented Generation Using Speech Timing Information
  • - ICASSP 2023: Enhancing Code-switching Speech Recognition with Interactive Language Biases
  • - Interspeech 2023: Reducing Language Confusion for Code-switching Speech Recognition with Token-level Language Diarization
  • - Odyssey 2022: MERLIon CCS Challenge: A English-Mandarin code-switching child-directed speech corpus for language identification and diarization
  • - Interspeech 2022 (Oral): Enhancing Language Identification using Dual-mode Model with Knowledge Distillation
  • - Interspeech 2021: PHO-LID: A Unified Model Incorporating Acoustic-Phonetic and Phonotactic Information for Language Identification
Research Experience
  • - Currently a postdoctoral research fellow at the Speech Lab, College of Computing and Data Science, Nanyang Technological University, supervised by Prof. Eng Siong Chng
  • - During his Ph.D., he collaborated with multiple professors including Prof. Andy W. H. Khong (NTU), Dr. Leibny Paola Garcia (CLSP, JHU), Prof. Suzy J. Styles (NTU), Prof. Sanjeev Khudanpur (JHU), and Prof. Shinji Watanabe (CMU)
Education
  • - 2018.08 - 2023.05, Ph.D., Nanyang Technological University, Thesis: Enhancing Spoken Language Identification and Diarization for Multilingual Speech, Supervisors: Prof. Andy W. H. Khong (NTU) & Dr. Leibny Paola Garcia (JHU)
  • - 2017.08 - 2018.05, Ms.C., Nanyang Technological University
  • - 2012.09 - 2016.07, B.Eng, Harbin Institute of Technology, Supervisor: Prof. Chenguang He
Background
  • Research interests: Spoken language recognition, language identification and diarization, multilingual speech recognition, large-scale pre-trained models. Currently a postdoctoral research fellow at the Speech Lab, College of Computing and Data Science, Nanyang Technological University, supervised by Prof. Eng Siong Chng.
Miscellany
  • The personal homepage provides contact information and links to other social media profiles such as Email, ResearchGate, LinkedIn, Github, Google Scholar, etc.