Runqiu Xu

Speech · Audio · Multimodal Learning

Runqiu Xu 徐润秋

I am a Visiting Student Researcher at the Speech, Audio, and Language Technologies (SALT) Lab at The University of Texas at Austin, working with David Harwath. I recently completed my M.S. in Data Science at the University of Chicago. Before that, I earned a B.S. in Applied Mathematics and a B.A. in Finance at Wuhan University.

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Portrait of Runqiu Xu

Research

I study how machines can reason with who is speaking, what is being said, and how multimodal interaction unfolds over time.

Preprints

Voices as Handles: Reasoning about Speaker Identity with Frozen Text LLMs

Runqiu Xu, Zhisheng Zheng, and David Harwath

Preprint, 2026 Paper

Publications

Silence-the-Mimic: Accelerating Imperceptible Perturbation Generation Against Voice Cloning

Runqiu Xu

IEEE Spoken Language Technology (SLT), 2026 Paper

Regional Heterogeneity Modeling for Spatiotemporal Crop Yield Forecasting

Supervised by Heng Xiong and Wenjun Jiang

Communications in Statistics – Theory and Methods, 2026 Paper

Experience

2026 — Present

The University of Texas at Austin

Visiting Student Researcher · SALT Lab

Education

2024 — 2026

The University of Chicago

M.S. in Data Science

2020 — 2024

Wuhan University

Dual degrees in Applied Mathematics and Finance · Hongyi Honors College