@inproceedings{pan-etal-2026-s2st, title = "{S}2{ST}-Omni: Hierarchical Language-Aware {S}peech{LLM} Adaptation for Multilingual Speech-to-Speech Translation", author = "Pan, Yu and Wu, Xiongfei and Yuguang, Yang and Yao, Jixun and Cordy, Maxime and Ma, Lei and Zhao, Jianjun", editor = "Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {ACL} 2026", month = jul, year = "2026", address = "San Diego, California, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl/2026.findings-acl.1004/", pages = "20114--20124", ISBN = "979-8-89176-395-1" }