Pengchao Feng - Homepage

Welcome to my homepage! I am an undergraduate student at Shanghai Jiao Tong University, starting from September 2022, majoring in Artificial Intelligence. Now, I’m a member of the SJTU Cross Media Language Intelligence Lab (X-LANCE).

My research interests focus on Spoken Dialogue Systems, Text-to-Speech, and AI for Science.

Education

• 2022.09 – Present: Shanghai Jiao Tong University (SJTU), College of Electronic Information and Electrical Engineering, Major in Artificial Intelligence.

Publications

Task Vector in TTS: Toward Emotionally Expressive Dialectal Speech Synthesis
Pengchao Feng, Yao Xiao, Ziyang Ma, Zhikang Niu, Shuai Fan, Yao Li, Sheng Wang, and Xie Chen*.
preprint
arXiv  |  Code

Enhance Speech-to-Speech Dialogue Modeling with End-to-End Retrieval Augmented Generation
Pengchao Feng, Ziyang Ma, Wenxi Chen, Yao Li, Sheng Wang, Kai Yu, and Xie Chen*.
EMNLP 2025 Findings
arXiv  |  Code

X-Talk: On the Underestimated Potential of Modular Speech-to-Speech Dialogue System
Zhanxun Liu, Yifan Duan, Mengmeng Wang, Pengchao Feng, Haotian Zhang, Xiaoyu Xing, Yijia Shan, Haina Zhu, Yuhang Dai, Chaochao Lu, Xipeng Qiu, Lei Xie, Lan Wang, Nan Yan, Zilong Zheng, Ziyang Ma, Kai Yu, and Xie Chen*.
preprint
arXiv  |  Code

Internships

• 2025.06 – 2025.10: Shanghai Innovation Institute, Research Intern
  • Working on speech synthesis system for Chinese dialects
• 2025.11 – Present: Tongyi Speech Lab, Research Intern
  • Working on End-to-End Speech Language Model

Honors and Awards

• 2025.10: National College Student Scholarship
• 2024.12: National College Student Mathematical Modeling Competition, Shanghai Region Third Prize
• 2024.10: Bosch China Long-term Development Scholarship
• 2024.10: SJTU Second Prize Scholarship
• 2023.10: SJTU Third Prize Scholarship