@article{liu2026sarashina22tts, title={Sarashina2.2-TTS: Tackling Kanji Polyphony in Japanese Speech Generation via Data Scaling and Targeted Data Synthesis}, author={Liu, Lianbo and Zhu, Shiao and Washizaki, Kai and Yoneyama, Reo and Jeon, Haesung and Zhao, Mengjie and Fujita, Yusuke and Shi, Hao and Yoshida, Nao and Gao, Yuan and Koshkin, Roman and Hono, Yukiya and Sudo, Yui}, journal={arXiv preprint arXiv:2606.25369}, year={2026} }