activity
20202026
most citedInternal Language Model Estimation based Language Model Fusion for Cross-Domain Code-Switching Speech Recognition

5 citations · 15 across the 22 of their papers we have counts for

collaborators

23 papers

eess.AS2026

GigaSpeechBench: A Real-World Multilingual Speech-to-Text Benchmark

Yujie Tu, Yifan Yang, Tianrui Wang +35

While modern ASR systems achieve low error rates on high-resource benchmarks, such performance often overestimates real-world robustness. Existing evaluations address challenges in…

cs.SD2026

Improving Code-Switching ASR with Code-Mixing Guided Synthetic Speech

Yue Heng Yeo, Haoyang Li, Yizhou Peng +6

Code-switch (CS) Automatic Speech Recognition (ASR) remains challenging due to limited availability of high quality CS text-speech pairs for training. Although synthetic data augme…

eess.AS2026

DuplexSLA: A Full-Duplex Spoken Language Model with Synchronized Speech, Language, and Action

Haoyang Zhang, Jun Chen, Donghang Wu +13

Recent advances in spoken dialogue language models have shifted from turn-based to full-duplex designs, where the model continuously listens to the user while generating responses.…

cs.CL2026

Proactive for Uncertainty: Cause-Aware Error Diagnosis and Interactive Clarification for Spoken Dialogue Systems

Yizhou Peng, Ziyang Ma, Changsong Liu +3

Cascaded Automatic Speech Recognition - Large Language Model (ASR-LLM) pipelines remain popular for industrial Spoken Dialogue Systems (SDS), primarily because their decoupled desi…

eess.AS2026

Evaluating the Expressive Appropriateness of Speech in Rich Contexts

Tianrui Wang, Ziyang Ma, Yizhou Peng +26

Evaluating expressive speech remains challenging, as existing methods mainly assess emotional intensity and overlook whether a speech sample is expressively appropriate for its con…

cs.SD2026

Prosodic Boundary-Aware Streaming Generation for LLM-Based TTS with Streaming Text Input

Changsong Liu, Tianrui Wang, Ye Ni +2

Streaming TTS that receives streaming text is essential for interactive systems, yet this scheme faces two major challenges: unnatural prosody due to missing lookahead and long-for…

eess.AS2026

Improving Code-Switching Speech Recognition with TTS Data Augmentation

Yue Heng Yeo, Yuchen Hu, Shreyas Gopal +3

Automatic speech recognition (ASR) for conversational code-switching speech remains challenging due to the scarcity of realistic, high-quality labeled speech data. This paper explo…

cs.CL2025

POTSA: A Cross-Lingual Speech Alignment Framework for Speech-to-Text Translation

Xuanchen Li, Chenrui Cui, Tianrui Wang +9

Speech Large Language Models have achieved breakthroughs in multilingual speech-to-text translation. However, existing approaches often overlook semantic commonalities across sourc…

cs.CL2025

Cross-modal Consistency Guidance for Robust Emotion Control in Auto-Regressive TTS Models

Yizhou Peng, Yukun Ma, Chong Zhang +4

While Text-to-Speech (TTS) systems enable emotional control via natural-language instructions, expressiveness, naturalness, and speech quality degrade when the target emotion confl…

cs.CL2025

Evaluating Bias in Spoken Dialogue LLMs for Real-World Decisions and Recommendations

Yihao Wu, Tianrui Wang, Yizhou Peng +5

While biases in large language models (LLMs), such as stereotypes and cultural tendencies in outputs, have been examined and identified, their presence and characteristics in spoke…

cs.CL2025

Zero-shot Context Biasing with Trie-based Decoding using Synthetic Multi-Pronunciation

Changsong Liu, Yizhou Peng, Eng Siong Chng

Contextual automatic speech recognition (ASR) systems allow for recognizing out-of-vocabulary (OOV) words, such as named entities or rare words. However, it remains challenging due…

eess.AS2025★ 1 cited

FD-Bench: A Full-Duplex Benchmarking Pipeline Designed for Full Duplex Spoken Dialogue Systems

Yizhou Peng, Yi-Wen Chao, Dianwen Ng +4

Full-duplex spoken dialogue systems (FDSDS) enable more natural human-machine interactions by allowing real-time user interruptions and backchanneling, compared to traditional SDS…

cs.CL2025

Bi-directional Context-Enhanced Speech Large Language Models for Multilingual Conversational ASR

Yizhou Peng, Hexin Liu, Eng Siong Chng

This paper introduces the integration of language-specific bi-directional context into a speech large language model (SLLM) to improve multilingual continuous conversational automa…

cs.CL2025

NTU Speechlab LLM-Based Multilingual ASR System for Interspeech MLC-SLM Challenge 2025

Yizhou Peng, Bin Wang, Yi-Wen Chao +5

This report details the NTU Speechlab system developed for the Interspeech 2025 Multilingual Conversational Speech and Language Model (MLC-SLM) Challenge (Task I), where we achieve…

cs.CL2025

Language-Aware Prompt Tuning for Parameter-Efficient Seamless Language Expansion in Multilingual ASR

Hongli Yang, Sheng Li, Hao Huang +2

Recent advancements in multilingual automatic speech recognition (ASR) have been driven by large-scale end-to-end models like Whisper. However, challenges such as language interfer…

cs.CL2025★ 1 cited

Adapting Whisper for Parameter-efficient Code-Switching Speech Recognition via Soft Prompt Tuning

Hongli Yang, Yizhou Peng, Hao Huang +1

Large-scale multilingual ASR models like Whisper excel in high-resource settings but face challenges in low-resource scenarios, such as rare languages and code-switching (CS), due…

cs.CL2024

Bridging Speech and Text: Enhancing ASR with Pinyin-to-Character Pre-training in LLMs

Yang Yuhang, Peng Yizhou, Eng Siong Chng +1

The integration of large language models (LLMs) with pre-trained speech models has opened up new avenues in automatic speech recognition (ASR). While LLMs excel in multimodal under…

eess.AS2023★ 1 cited

Adapting OpenAI's Whisper for Speech Recognition on Code-Switch Mandarin-English SEAME and ASRU2019 Datasets

Yuhang Yang, Yizhou Peng, Xionghu Zhong +2

This paper details the experimental results of adapting the OpenAI's Whisper model for Code-Switch Mandarin-English Speech Recognition (ASR) on the SEAME and ASRU2019 corpora. We c…

eess.AS2022★ 1 cited

Intermediate-layer output Regularization for Attention-based Speech Recognition with Shared Decoder

Jicheng Zhang, Yizhou Peng, Haihua Xu +3

Intermediate layer output (ILO) regularization by means of multitask training on encoder side has been shown to be an effective approach to yielding improved results on a wide rang…

eess.AS2022★ 5 cited

Internal Language Model Estimation based Language Model Fusion for Cross-Domain Code-Switching Speech Recognition

Yizhou Peng, Yufei Liu, Jicheng Zhang +4

Internal Language Model Estimation (ILME) based language model (LM) fusion has been shown significantly improved recognition results over conventional shallow fusion in both intra-…

eess.AS2021★ 3 cited

Minimum word error training for non-autoregressive Transformer-based code-switching ASR

Yizhou Peng, Jicheng Zhang, Haihua Xu +2

Non-autoregressive end-to-end ASR framework might be potentially appropriate for code-switching recognition task thanks to its inherent property that present output token being ind…

eess.AS2021★ 2 cited

E2E-based Multi-task Learning Approach to Joint Speech and Accent Recognition

Jicheng Zhang, Yizhou Peng, Pham Van Tung +3

In this paper, we propose a single multi-task learning framework to perform End-to-End (E2E) speech recognition (ASR) and accent recognition (AR) simultaneously. The proposed frame…

eess.AS2020★ 1 cited

Multilingual Approach to Joint Speech and Accent Recognition with DNN-HMM Framework

Yizhou Peng, Jicheng Zhang, Haobo Zhang +3

Human can recognize speech, as well as the peculiar accent of the speech simultaneously. However, present state-of-the-art ASR system can rarely do that. In this paper, we propose…